Company lists · Data refreshed November 2026
Top 25 Vulnerability assessment services based in the United States
RevenueBase identified 586 company matches for vulnerability assessment services associated with the United States as of November 2026 and tracks 5,773 professional contacts across them, including 2,346 with verified work emails. New York is the largest hub.
This list covers company matches for vulnerability assessment services associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest vulnerability assessment services based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 485 contacts → | ||||
Exact match “Pentera provides AI-powered Automated Security Validation for enterprise security teams.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 245 contacts → | ||||
Exact match “TAC Security (NSE: TAC) TAC Security, a leading publicly listed global cybersecurity company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 243 contacts → | ||||
Exact match “Securin is an AI-native cybersecurity company that helps organizations discover, validate, prioritize, and mobilize against exploitable risk, before attackers can act.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 224 contacts → | ||||
Exact match “Synack is the leader in human-led and agentic AI-powered Penetration Testing as a Service (PTaaS), transforming offensive security to help organizations proactively reduce risk…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 146 contacts → | ||||
Exact match “RedSeal is an agentless, AI enabled exposure management platform for hybrid and remote infrastructure.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 137 contacts → | ||||
Exact match “SafeBreach is on a mission to help organizations have certainty in their security.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 126 contacts → | ||||
Exact match “Nucleus is the exposure management platform enterprise and government security leaders rely on to reduce cyber risk at scale.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 122 contacts → | ||||
Exact match “Strategic Security is an IT Security consulting firm that provides in-depth technical security assessments of your network, web application, and regulatory compliance gap analysis…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 117 contacts → | ||||
Exact match “ConnectSecure empowers information security professionals to safeguard their business-critical data from vulnerabilities and exploits.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 102 contacts → | ||||
Exact match “DirectDefense provides enterprise risk assessments, penetration testing, ICS/SCADA security services, and 24/7 managed security services for companies of all sizes.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 88 contacts → | ||||
Exact match “VulnCheck helps organizations outpace adversaries with exploit intelligence that predicts avenues of attack with speed and accuracy.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 83 contacts → | ||||
Exact match “NTT Application Security is driving the future of application security.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 79 contacts → | ||||
Exact match “OnDefend specializes in advanced cybersecurity testing that delivers ongoing security validation across the most complex technology environments.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 65 contacts → | ||||
Exact match “SandTech Solutions is a Certified 8a member as well as a Service Disabled Veteran-Owned Small Business (SDVOSB).” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 58 contacts → | ||||
Exact match “We make cybersecurity easy and understandable.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 57 contacts → | ||||
Exact match “Founded in 2010, Compass IT Compliance is a nationwide leader in providing IT security, compliance, and risk management services to organizations of all sizes in all industries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 52 contacts → | ||||
Exact match “Our team of world-class reverse engineers discovers exploitable critical vulnerabilities in common commercial software and hardware BEFORE they can be manipulated by attackers.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 48 contacts → | ||||
Exact match “Founded in 2010, Secure Ideas is a small-business consulting firm.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 47 contacts → | ||||
Exact match “Software ships daily.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 47 contacts → | ||||
Exact match “SecurIT360 is a unique company driven by Cyber knowledge and applying it to eliminate blind spots.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 45 contacts → | ||||
Exact match “Mondoo's Agentic Managed Vulnerability Service, a combination of local expert security professionals and a proven AI-native platform, delivers the outcomes security professionals…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 44 contacts → | ||||
Exact match “H2L Solutions is a Service-Disabled Veteran-Owned Small Business (SDVOSB) and HUBZone-certified cybersecurity company headquartered in Huntsville, Alabama.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 41 contacts → | ||||
Exact match “For over two decades, marquee clients have trusted Casaba to test the most sophisticated products in the world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 41 contacts → | ||||
Exact match “We're the security consultants Fortune 500s call when they're in real trouble, the ones who find what others miss, who speak CEO and CISO fluently.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 40 contacts → | ||||
Exact match “Secure Halo is an innovative leader in enterprise cyber risk assessments, cybersecurity consulting, and managed services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “vulnerability assessment services”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 586 vulnerability assessment services based in the United States
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Vulnerability assessment services based in the United States at a glance
As of Nov 6, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 586 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with the United States whose business descriptions match “vulnerability assessment services” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 2,346 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “vulnerability assessment services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many vulnerability assessment services are there based in the United States?
RevenueBase identified 586 company matches for vulnerability assessment services associated with the United States as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Pentera tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most vulnerability assessment services?
New York leads with 24 company records, followed by San Francisco (18) and Austin (17).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 2,346 professional contacts with verified work emails tracked across these 586 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 586 vulnerability assessment services based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Vulnerability assessment services by geography
- Vulnerability assessment services based in Bangalore, India
- Vulnerability assessment services based in London, United Kingdom
- Vulnerability assessment services based in Australia
- Vulnerability assessment services based in Brazil
- Vulnerability assessment services based in Canada
- Vulnerability assessment services based in France
- Vulnerability assessment services based in Germany
- Vulnerability assessment services based in India
- Vulnerability assessment services based in Italy
- Vulnerability assessment services based in the Netherlands
- Vulnerability assessment services based in the United Arab Emirates
- Vulnerability assessment services based in the United Kingdom
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Vulnerability assessment services based in Bangalore, India
- Vulnerability assessment services based in London, United Kingdom
- Vulnerability assessment services based in Australia
- Vulnerability assessment services based in Brazil
- Vulnerability assessment services based in Canada
- Vulnerability assessment services based in France
Company intelligence · public preview
Top 25 vulnerability assessment services based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 586 matching company records for vulnerability assessment services based in the United States, with 5,773 tracked contacts and 2,346 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 vulnerability assessment services based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Penterapentera.ioHQ: Burlington, MA, United StatesReported employees: 201-500 | Burlington, MA, United States | 201-500 | Exact match | 485 contacts → |
“Pentera provides AI-powered Automated Security Validation for enterprise security teams.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  TAC Securitytacsecurity.comHQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 245 contacts → |
“TAC Security (NSE: TAC) TAC Security, a leading publicly listed global cybersecurity company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Securin INCsecurin.ioHQ: Albuquerque, NM, United StatesReported employees: 201-500 | Albuquerque, NM, United States | 201-500 | Exact match | 243 contacts → |
“Securin is an AI-native cybersecurity company that helps organizations discover, validate, prioritize, and mobilize against exploitable risk, before attackers can act.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Synacksynack.comHQ: Redwood City, CA, United StatesReported employees: 201-500 | Redwood City, CA, United States | 201-500 | Exact match | 224 contacts → |
“Synack is the leader in human-led and agentic AI-powered Penetration Testing as a Service (PTaaS), transforming offensive security to help organizations proactively reduce risk…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Redseal, INCredseal.netHQ: Menlo Park, CA, United StatesReported employees: 51-200 | Menlo Park, CA, United States | 51-200 | Exact match | 146 contacts → |
“RedSeal is an agentless, AI enabled exposure management platform for hybrid and remote infrastructure.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Safebreachsafebreach.comHQ: Sunnyvale, CA, United StatesReported employees: 51-200 | Sunnyvale, CA, United States | 51-200 | Exact match | 137 contacts → |
“SafeBreach is on a mission to help organizations have certainty in their security.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Nucleus Securitynucleussec.comHQ: Sarasota, FL, United StatesReported employees: 51-200 | Sarasota, FL, United States | 51-200 | Exact match | 126 contacts → |
“Nucleus is the exposure management platform enterprise and government security leaders rely on to reduce cyber risk at scale.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Strategic Securitystrategicsec.comHQ: Alexandria, VA, United StatesReported employees: Not recorded | Alexandria, VA, United States | Not recorded | Exact match | 122 contacts → |
“Strategic Security is an IT Security consulting firm that provides in-depth technical security assessments of your network, web application, and regulatory compliance gap analysis…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Connectsecureconnectsecure.comHQ: Tampa, FL, United StatesReported employees: 51-200 | Tampa, FL, United States | 51-200 | Exact match | 117 contacts → |
“ConnectSecure empowers information security professionals to safeguard their business-critical data from vulnerabilities and exploits.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Directdefensedirectdefense.comHQ: Denver, CO, United StatesReported employees: 51-200 | Denver, CO, United States | 51-200 | Exact match | 102 contacts → |
“DirectDefense provides enterprise risk assessments, penetration testing, ICS/SCADA security services, and 24/7 managed security services for companies of all sizes.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Vulncheckvulncheck.comHQ: Lexington, MA, United StatesReported employees: 51-200 | Lexington, MA, United States | 51-200 | Exact match | 88 contacts → |
“VulnCheck helps organizations outpace adversaries with exploit intelligence that predicts avenues of attack with speed and accuracy.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Whitehat Dynamic By Synopsyswhitehatsec.comHQ: San Jose, CA, United StatesReported employees: 201-500 | San Jose, CA, United States | 201-500 | Exact match | 83 contacts → |
“NTT Application Security is driving the future of application security.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Ondefendondefend.comHQ: Jacksonville, FL, United StatesReported employees: 51-200 | Jacksonville, FL, United States | 51-200 | Exact match | 79 contacts → |
“OnDefend specializes in advanced cybersecurity testing that delivers ongoing security validation across the most complex technology environments.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Sandtech Solutionssandtechsolutions.comHQ: San Antonio, TX, United StatesReported employees: 11-50 | San Antonio, TX, United States | 11-50 | Exact match | 65 contacts → |
“SandTech Solutions is a Certified 8a member as well as a Service Disabled Veteran-Owned Small Business (SDVOSB).” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Galactic Advisorsgalacticadvisors.comHQ: Nashville, United StatesReported employees: 11-50 | Nashville, United States | 11-50 | Exact match | 58 contacts → |
“We make cybersecurity easy and understandable.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Compass IT Compliancecompassitc.comHQ: North Providence, RI, United StatesReported employees: 11-50 | North Providence, RI, United States | 11-50 | Exact match | 57 contacts → |
“Founded in 2010, Compass IT Compliance is a nationwide leader in providing IT security, compliance, and risk management services to organizations of all sizes in all industries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Exodus Intelligenceexodusintel.comHQ: Austin, TX, United StatesReported employees: 11-50 | Austin, TX, United States | 11-50 | Exact match | 52 contacts → |
“Our team of world-class reverse engineers discovers exploitable critical vulnerabilities in common commercial software and hardware BEFORE they can be manipulated by attackers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Secure Ideas, LLCsecureideas.comHQ: Jacksonville, FL, United StatesReported employees: 11-50 | Jacksonville, FL, United States | 11-50 | Exact match | 48 contacts → |
“Founded in 2010, Secure Ideas is a small-business consulting firm.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Projectdiscoveryprojectdiscovery.ioHQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 47 contacts → |
“Software ships daily.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Securit360securit360.comHQ: Birmingham, AL, United StatesReported employees: 11-50 | Birmingham, AL, United States | 11-50 | Exact match | 47 contacts → |
“SecurIT360 is a unique company driven by Cyber knowledge and applying it to eliminate blind spots.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Mondoomondoo.comHQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 45 contacts → |
“Mondoo's Agentic Managed Vulnerability Service, a combination of local expert security professionals and a proven AI-native platform, delivers the outcomes security professionals…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  H2l Solutions INCh2lsolutions.comHQ: Huntsville, AL, United StatesReported employees: 11-50 | Huntsville, AL, United States | 11-50 | Exact match | 44 contacts → |
“H2L Solutions is a Service-Disabled Veteran-Owned Small Business (SDVOSB) and HUBZone-certified cybersecurity company headquartered in Huntsville, Alabama.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Casaba Securitycasaba.comHQ: Redmond, WA, United StatesReported employees: 51-200 | Redmond, WA, United States | 51-200 | Exact match | 41 contacts → |
“For over two decades, marquee clients have trusted Casaba to test the most sophisticated products in the world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  OSECosec.comHQ: New York, NY, United StatesReported employees: 11-50 | New York, NY, United States | 11-50 | Exact match | 41 contacts → |
“We're the security consultants Fortune 500s call when they're in real trouble, the ones who find what others miss, who speak CEO and CISO fluently.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Secure Halo , A Mission Critical Partners Companysecurehalo.comHQ: Silver Spring, MD, United StatesReported employees: 51-200 | Silver Spring, MD, United States | 51-200 | Exact match | 40 contacts → |
“Secure Halo is an innovative leader in enterprise cyber risk assessments, cybersecurity consulting, and managed services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 586 company matches
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Vulnerability assessment services: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
586 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 586 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for vulnerability assessment services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many vulnerability assessment services did RevenueBase find based in the United States?
The saved snapshot records 586 matching company records, 5,773 tracked contacts and 2,346 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Vulnerability assessment services by geography
- Vulnerability assessment services based in Bangalore, India
- Vulnerability assessment services based in London, United Kingdom
- Vulnerability assessment services based in Australia
- Vulnerability assessment services based in Brazil
- Vulnerability assessment services based in Canada
- Vulnerability assessment services based in France
- Vulnerability assessment services based in Germany
- Vulnerability assessment services based in India
- Vulnerability assessment services based in Italy
- Vulnerability assessment services based in the Netherlands
- Vulnerability assessment services based in the United Arab Emirates
- Vulnerability assessment services based in the United Kingdom
Cite this list
RevenueBase Data Team. Top 25 vulnerability assessment services based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/vulnerability-assessment-services/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Vulnerability assessment services based in Bangalore, India
- Vulnerability assessment services based in London, United Kingdom
- Vulnerability assessment services based in Australia
- Vulnerability assessment services based in Brazil
- Vulnerability assessment services based in Canada
- Vulnerability assessment services based in France
Company intelligence · public preview
Top 25 vulnerability assessment services based in the United States
RevenueBase records 586 matching company records for vulnerability assessment services based in the United States, with 5,773 tracked contacts and 2,346 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 vulnerability assessment services based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Penterapentera.io HQ: Burlington, MA, United StatesReported employees: 201-500 | Burlington, MA, United States | 201-500 | Exact match | 485 contacts → |
“Pentera provides AI-powered Automated Security Validation for enterprise security teams.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | TAC Securitytacsecurity.com HQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 245 contacts → |
“TAC Security (NSE: TAC) TAC Security, a leading publicly listed global cybersecurity company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Securin INCsecurin.io HQ: Albuquerque, NM, United StatesReported employees: 201-500 | Albuquerque, NM, United States | 201-500 | Exact match | 243 contacts → |
“Securin is an AI-native cybersecurity company that helps organizations discover, validate, prioritize, and mobilize against exploitable risk, before attackers can act.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Synacksynack.com HQ: Redwood City, CA, United StatesReported employees: 201-500 | Redwood City, CA, United States | 201-500 | Exact match | 224 contacts → |
“Synack is the leader in human-led and agentic AI-powered Penetration Testing as a Service (PTaaS), transforming offensive security to help organizations proactively reduce risk…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Redseal, INCredseal.net HQ: Menlo Park, CA, United StatesReported employees: 51-200 | Menlo Park, CA, United States | 51-200 | Exact match | 146 contacts → |
“RedSeal is an agentless, AI enabled exposure management platform for hybrid and remote infrastructure.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Safebreachsafebreach.com HQ: Sunnyvale, CA, United StatesReported employees: 51-200 | Sunnyvale, CA, United States | 51-200 | Exact match | 137 contacts → |
“SafeBreach is on a mission to help organizations have certainty in their security.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Nucleus Securitynucleussec.com HQ: Sarasota, FL, United StatesReported employees: 51-200 | Sarasota, FL, United States | 51-200 | Exact match | 126 contacts → |
“Nucleus is the exposure management platform enterprise and government security leaders rely on to reduce cyber risk at scale.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Strategic Securitystrategicsec.com HQ: Alexandria, VA, United StatesReported employees: Not recorded | Alexandria, VA, United States | Not recorded | Exact match | 122 contacts → |
“Strategic Security is an IT Security consulting firm that provides in-depth technical security assessments of your network, web application, and regulatory compliance gap analysis…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Connectsecureconnectsecure.com HQ: Tampa, FL, United StatesReported employees: 51-200 | Tampa, FL, United States | 51-200 | Exact match | 117 contacts → |
“ConnectSecure empowers information security professionals to safeguard their business-critical data from vulnerabilities and exploits.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Directdefensedirectdefense.com HQ: Denver, CO, United StatesReported employees: 51-200 | Denver, CO, United States | 51-200 | Exact match | 102 contacts → |
“DirectDefense provides enterprise risk assessments, penetration testing, ICS/SCADA security services, and 24/7 managed security services for companies of all sizes.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Vulncheckvulncheck.com HQ: Lexington, MA, United StatesReported employees: 51-200 | Lexington, MA, United States | 51-200 | Exact match | 88 contacts → |
“VulnCheck helps organizations outpace adversaries with exploit intelligence that predicts avenues of attack with speed and accuracy.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Whitehat Dynamic By Synopsyswhitehatsec.com HQ: San Jose, CA, United StatesReported employees: 201-500 | San Jose, CA, United States | 201-500 | Exact match | 83 contacts → |
“NTT Application Security is driving the future of application security.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Ondefendondefend.com HQ: Jacksonville, FL, United StatesReported employees: 51-200 | Jacksonville, FL, United States | 51-200 | Exact match | 79 contacts → |
“OnDefend specializes in advanced cybersecurity testing that delivers ongoing security validation across the most complex technology environments.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Sandtech Solutionssandtechsolutions.com HQ: San Antonio, TX, United StatesReported employees: 11-50 | San Antonio, TX, United States | 11-50 | Exact match | 65 contacts → |
“SandTech Solutions is a Certified 8a member as well as a Service Disabled Veteran-Owned Small Business (SDVOSB).” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Galactic Advisorsgalacticadvisors.com HQ: Nashville, United StatesReported employees: 11-50 | Nashville, United States | 11-50 | Exact match | 58 contacts → |
“We make cybersecurity easy and understandable.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Compass IT Compliancecompassitc.com HQ: North Providence, RI, United StatesReported employees: 11-50 | North Providence, RI, United States | 11-50 | Exact match | 57 contacts → |
“Founded in 2010, Compass IT Compliance is a nationwide leader in providing IT security, compliance, and risk management services to organizations of all sizes in all industries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Exodus Intelligenceexodusintel.com HQ: Austin, TX, United StatesReported employees: 11-50 | Austin, TX, United States | 11-50 | Exact match | 52 contacts → |
“Our team of world-class reverse engineers discovers exploitable critical vulnerabilities in common commercial software and hardware BEFORE they can be manipulated by attackers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Secure Ideas, LLCsecureideas.com HQ: Jacksonville, FL, United StatesReported employees: 11-50 | Jacksonville, FL, United States | 11-50 | Exact match | 48 contacts → |
“Founded in 2010, Secure Ideas is a small-business consulting firm.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Projectdiscoveryprojectdiscovery.io HQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 47 contacts → |
“Software ships daily.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Securit360securit360.com HQ: Birmingham, AL, United StatesReported employees: 11-50 | Birmingham, AL, United States | 11-50 | Exact match | 47 contacts → |
“SecurIT360 is a unique company driven by Cyber knowledge and applying it to eliminate blind spots.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Mondoomondoo.com HQ: San Francisco, CA, United StatesReported employees: 51-200 | San Francisco, CA, United States | 51-200 | Exact match | 45 contacts → |
“Mondoo's Agentic Managed Vulnerability Service, a combination of local expert security professionals and a proven AI-native platform, delivers the outcomes security professionals…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | H2l Solutions INCh2lsolutions.com HQ: Huntsville, AL, United StatesReported employees: 11-50 | Huntsville, AL, United States | 11-50 | Exact match | 44 contacts → |
“H2L Solutions is a Service-Disabled Veteran-Owned Small Business (SDVOSB) and HUBZone-certified cybersecurity company headquartered in Huntsville, Alabama.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Casaba Securitycasaba.com HQ: Redmond, WA, United StatesReported employees: 51-200 | Redmond, WA, United States | 51-200 | Exact match | 41 contacts → |
“For over two decades, marquee clients have trusted Casaba to test the most sophisticated products in the world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | OSECosec.com HQ: New York, NY, United StatesReported employees: 11-50 | New York, NY, United States | 11-50 | Exact match | 41 contacts → |
“We're the security consultants Fortune 500s call when they're in real trouble, the ones who find what others miss, who speak CEO and CISO fluently.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Secure Halo , A Mission Critical Partners Companysecurehalo.com HQ: Silver Spring, MD, United StatesReported employees: 51-200 | Silver Spring, MD, United States | 51-200 | Exact match | 40 contacts → |
“Secure Halo is an innovative leader in enterprise cyber risk assessments, cybersecurity consulting, and managed services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 586 company matches
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Vulnerability assessment services: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
586 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 586 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for vulnerability assessment services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many vulnerability assessment services did RevenueBase find based in the United States?
The saved snapshot records 586 matching company records, 5,773 tracked contacts and 2,346 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 vulnerability assessment services based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/vulnerability-assessment-services/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- Vulnerability assessment services based in Brazil
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