Company lists · Data refreshed September 2026
Top 25 Dark web monitoring services based in the United States
RevenueBase identified 104 company matches for dark web monitoring services associated with the United States as of September 2026 and tracks 3,052 professional contacts across them, including 1,399 with verified work emails. New York is the largest hub.
This list covers company matches for dark web monitoring 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 September 19, 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 dark web monitoring services based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 904 contacts → | ||||
Exact match “ZeroFox is the solution to discover, validate, and disrupt external cyber threats before they harm revenue or reputation.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 2 | 273 contacts → | ||||
Exact match “Babel Street delivers mission-grade risk intelligence for organizations across government, defense, and the private sector to expose hidden identities, secure vendor networks, and…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 3 | 234 contacts → | ||||
Exact match “Axur is the external cybersecurity company empowering security teams to detect, inspect, and respond to threats beyond the perimeter.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 4 | 167 contacts → | ||||
Exact match “DefendEdge is a leading US-based cybersecurity firm specializing in protecting clients' firewalls, endpoints, and applications against cyber threats and vulnerabilities.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 5 | 136 contacts → | ||||
Exact match “DomainTools is the global leader for internet intelligence and the first place security practitioners go when they need to know.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 6 | 115 contacts → | ||||
Exact match “BrandShield provides an AI Powered Digital Risk Protection solution.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 7 | 110 contacts → | ||||
Exact match “360 Privacy is the leader in digital exposure reduction for enterprises, executives, and high-profile individuals.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 8 | 97 contacts → | ||||
Exact match “Constella Intelligence is a global leader in identity risk intelligence.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 9 | 82 contacts → | ||||
Exact match “Apura Cyber Corp is a company with deep technical expertise and extensive experience in threat intelligence, digital forensics, incident response, and anti-fraud operations.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 10 | 80 contacts → | ||||
Exact match “Bytescare is building the future of Brand Protection.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 11 | 77 contacts → | ||||
Exact match “Founded in 2002, MaxMind is an industry leader in IP intelligence, proxy detection, and online fraud prevention tools.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 12 | 68 contacts → | ||||
Exact match “Voyager Labs, a world leader in AI-based investigation solutions, empowers organizations worldwide to gain deep investigative insights about individuals, groups, and topics.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 13 | 67 contacts → | ||||
Exact match “Protecting the world’s leading Enterprise and Government organisations iZOOlogic provides bespoke and curated Threat Intelligence and Incident Response Asset Discovery and…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 14 | 65 contacts → | ||||
Exact match “Q6 Cyber is an innovative threat intelligence company.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 15 | 59 contacts → | ||||
Exact match “DarkTower disrupts crime through cyber intelligence.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 16 | 44 contacts → | ||||
Exact match “ThreatMon is an End-to-End Intelligence platform that leverages the core element of threat actors' strength: communication.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 17 | 35 contacts → | ||||
Exact match “Fortra's PhishLabs provides Digital Risk Protection through curated threat intelligence and complete mitigation.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 18 | 30 contacts → | ||||
Exact match “DarkOwl is a Denver-based company that empowers organizations to continually improve their cybersecurity defenses using darknet intelligence.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 19 | 26 contacts → | ||||
Exact match “RiskProfiler is a leading global provider of external threat intelligence, helping organizations stay ahead of cyber threats by identifying risks before they escalate into attacks.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 20 | 24 contacts → | ||||
Exact match “Hold Security is an Information Security consulting firm helping other companies establish and maintain security of their data.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 21 | 22 contacts → | ||||
Exact match “GroupSense is a digital risk protection services company that delivers customer-specific intelligence that dramatically improves enterprise cybersecurity and fraud-management…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 22 | 20 contacts → | ||||
Exact match “ID Agent's flagship product, Dark Web ID, monitors the dark web to identify compromised and stolen user credentials and deliver validated intelligence and alerts to prevent…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 23 | 19 contacts → | ||||
Exact match “Headquartered in Oak Brook, Illinois, Hoplon InfoSec is a leading U.S-based cybersecurity firm with over a decade of experience safeguarding businesses worldwide.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 24 | 17 contacts → | ||||
Exact match “Dark Watch is a global security company specializing in advanced threat intelligence, focused on identifying and disrupting the world’s most dangerous criminal networks.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 25 | 11 contacts → | ||||
Exact match “Argo Cyber Systems is a Service Disabled Veteran Owned Small Business (SDVOSB).” Recorded in the RevenueBase company graph · Sep 19, 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 “dark web monitoring 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 104 dark web monitoring services based in the United States
See the full list, filter by size, metro and specialty, and access 1,399 tracked professional contacts with verified work emails. Direct dials are available where recorded.
Free signup · no credit card
Dark web monitoring services based in the United States at a glance
As of Sep 19, 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 104 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 “dark web monitoring 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 1,399 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 September 19, 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 “dark web monitoring services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many dark web monitoring services are there based in the United States?
RevenueBase identified 104 company matches for dark web monitoring services associated with the United States as of September 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?
Zerofox tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most dark web monitoring services?
New York leads with 7 company records, followed by Miami (6) and Arlington (3).
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 1,399 professional contacts with verified work emails tracked across these 104 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 September 19, 2026.
Ready to reach these companies? Verified emails and direct dials for all 104 dark web monitoring services based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Dark web monitoring services by geography
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
- Dark web monitoring services based in India
- Dark web monitoring services based in the United Kingdom
- AI companies based in the United States
- Cybersecurity companies based in the United States
- Manufacturing companies based in the United States
- Media companies based in the United States
Company intelligence · public preview
Top 25 dark web monitoring 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 104 matching company records for dark web monitoring services based in the United States, with 3,052 tracked contacts and 1,399 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: September 19, 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 dark web monitoring 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 |  Zerofoxzerofox.comHQ: Baltimore, MD, United StatesReported employees: 501-1,000 | Baltimore, MD, United States | 501-1,000 | Exact match | 904 contacts → |
“ZeroFox is the solution to discover, validate, and disrupt external cyber threats before they harm revenue or reputation.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Babel Streetbabelstreet.comHQ: Washington, DC, United StatesReported employees: 201-500 | Washington, DC, United States | 201-500 | Exact match | 273 contacts → |
“Babel Street delivers mission-grade risk intelligence for organizations across government, defense, and the private sector to expose hidden identities, secure vendor networks, and…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  AXURaxur.comHQ: Miami, FL, United StatesReported employees: 201-500 | Miami, FL, United States | 201-500 | Exact match | 234 contacts → |
“Axur is the external cybersecurity company empowering security teams to detect, inspect, and respond to threats beyond the perimeter.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Defendedgedefendedge.comHQ: Elmhurst, IL, United StatesReported employees: 51-200 | Elmhurst, IL, United States | 51-200 | Exact match | 167 contacts → |
“DefendEdge is a leading US-based cybersecurity firm specializing in protecting clients' firewalls, endpoints, and applications against cyber threats and vulnerabilities.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Domaintoolsdomaintools.comHQ: Seattle, WA, United StatesReported employees: 51-200 | Seattle, WA, United States | 51-200 | Exact match | 136 contacts → |
“DomainTools is the global leader for internet intelligence and the first place security practitioners go when they need to know.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Brandshieldbrandshield.comHQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 115 contacts → |
“BrandShield provides an AI Powered Digital Risk Protection solution.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  360 Privacy360privacy.ioHQ: Nashville, TN, United StatesReported employees: 51-200 | Nashville, TN, United States | 51-200 | Exact match | 110 contacts → |
“360 Privacy is the leader in digital exposure reduction for enterprises, executives, and high-profile individuals.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Constella Intelligenceconstella.aiHQ: Redwood City, CA, United StatesReported employees: 201-500 | Redwood City, CA, United States | 201-500 | Exact match | 97 contacts → |
“Constella Intelligence is a global leader in identity risk intelligence.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Apura Cyber Corpapura.ioHQ: Miami, FL, United StatesReported employees: 51-200 | Miami, FL, United States | 51-200 | Exact match | 82 contacts → |
“Apura Cyber Corp is a company with deep technical expertise and extensive experience in threat intelligence, digital forensics, incident response, and anti-fraud operations.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Bytescarebytescare.comHQ: New Castle, DE, United StatesReported employees: 51-200 | New Castle, DE, United States | 51-200 | Exact match | 80 contacts → |
“Bytescare is building the future of Brand Protection.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Maxmindmaxmind.comHQ: Malden, MA, United StatesReported employees: 51-200 | Malden, MA, United States | 51-200 | Exact match | 77 contacts → |
“Founded in 2002, MaxMind is an industry leader in IP intelligence, proxy detection, and online fraud prevention tools.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Voyager Labsvoyager-labs.comHQ: New York, United StatesReported employees: 51-200 | New York, United States | 51-200 | Exact match | 68 contacts → |
“Voyager Labs, a world leader in AI-based investigation solutions, empowers organizations worldwide to gain deep investigative insights about individuals, groups, and topics.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Izoologicizoologic.comHQ: Wilmington, DE, United StatesReported employees: 201-500 | Wilmington, DE, United States | 201-500 | Exact match | 67 contacts → |
“Protecting the world’s leading Enterprise and Government organisations iZOOlogic provides bespoke and curated Threat Intelligence and Incident Response Asset Discovery and…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Q6 Cyberq6cyber.comHQ: Miami, FL, United StatesReported employees: 51-200 | Miami, FL, United States | 51-200 | Exact match | 65 contacts → |
“Q6 Cyber is an innovative threat intelligence company.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Darktowergetdarktower.comHQ: Charlotte, NC, United StatesReported employees: 11-50 | Charlotte, NC, United States | 11-50 | Exact match | 59 contacts → |
“DarkTower disrupts crime through cyber intelligence.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Threatmon End-To-End Intelligencethreatmon.ioHQ: Ashburn, VA, United StatesReported employees: 51-200 | Ashburn, VA, United States | 51-200 | Exact match | 44 contacts → |
“ThreatMon is an End-to-End Intelligence platform that leverages the core element of threat actors' strength: communication.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Phishlabsphishlabs.com HQ: Charleston, SC, United StatesReported employees: 51-200 | Charleston, SC, United States | 51-200 | Exact match | 35 contacts → |
“Fortra's PhishLabs provides Digital Risk Protection through curated threat intelligence and complete mitigation.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Darkowldarkowl.comHQ: Denver, CO, United StatesReported employees: 11-50 | Denver, CO, United States | 11-50 | Exact match | 30 contacts → |
“DarkOwl is a Denver-based company that empowers organizations to continually improve their cybersecurity defenses using darknet intelligence.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Riskprofilerriskprofiler.ioHQ: Rock Hill, SC, United StatesReported employees: 51-200 | Rock Hill, SC, United States | 51-200 | Exact match | 26 contacts → |
“RiskProfiler is a leading global provider of external threat intelligence, helping organizations stay ahead of cyber threats by identifying risks before they escalate into attacks.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Hold Security, LLCholdsecurity.com HQ: Mequon, WI, United StatesReported employees: 11-50 | Mequon, WI, United States | 11-50 | Exact match | 24 contacts → |
“Hold Security is an Information Security consulting firm helping other companies establish and maintain security of their data.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Groupsensegroupsense.ioHQ: Arlington, VA, United StatesReported employees: 11-50 | Arlington, VA, United States | 11-50 | Exact match | 22 contacts → |
“GroupSense is a digital risk protection services company that delivers customer-specific intelligence that dramatically improves enterprise cybersecurity and fraud-management…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  ID Agentidagent.comHQ: Miami, FL, United StatesReported employees: 51-200 | Miami, FL, United States | 51-200 | Exact match | 20 contacts → |
“ID Agent's flagship product, Dark Web ID, monitors the dark web to identify compromised and stolen user credentials and deliver validated intelligence and alerts to prevent…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Hoplon Infosechoploninfosec.com HQ: Oak Brook, IL, United StatesReported employees: 51-200 | Oak Brook, IL, United States | 51-200 | Exact match | 19 contacts → |
“Headquartered in Oak Brook, Illinois, Hoplon InfoSec is a leading U.S-based cybersecurity firm with over a decade of experience safeguarding businesses worldwide.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Dark Watchdarkwatch.ioHQ: Stuart, FL, United StatesReported employees: 11-50 | Stuart, FL, United States | 11-50 | Exact match | 17 contacts → |
“Dark Watch is a global security company specializing in advanced threat intelligence, focused on identifying and disrupting the world’s most dangerous criminal networks.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Argo Cyber Systemsargocyber.com HQ: Pensacola, FL, United StatesReported employees: 11-50 | Pensacola, FL, United States | 11-50 | Exact match | 11 contacts → |
“Argo Cyber Systems is a Service Disabled Veteran Owned Small Business (SDVOSB).” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 104 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Dark web monitoring services: dataset insights
September 19, 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
104 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 104 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: September 19, 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 dark web monitoring 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 dark web monitoring services did RevenueBase find based in the United States?
The saved snapshot records 104 matching company records, 3,052 tracked contacts and 1,399 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: September 19, 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
Dark web monitoring services by geography
Cite this list
RevenueBase Data Team. Top 25 dark web monitoring services based in the United States. Snapshot: September 19, 2026. https://revenuebase.ai/companies/dark-web-monitoring-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
- Dark web monitoring services based in India
- Dark web monitoring services based in the United Kingdom
- AI companies based in the United States
- Cybersecurity companies based in the United States
- Manufacturing companies based in the United States
- Media companies based in the United States
Company intelligence · public preview
Top 25 dark web monitoring services based in the United States
RevenueBase records 104 matching company records for dark web monitoring services based in the United States, with 3,052 tracked contacts and 1,399 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: September 19, 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 dark web monitoring 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 | Zerofoxzerofox.com HQ: Baltimore, MD, United StatesReported employees: 501-1,000 | Baltimore, MD, United States | 501-1,000 | Exact match | 904 contacts → |
“ZeroFox is the solution to discover, validate, and disrupt external cyber threats before they harm revenue or reputation.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Babel Streetbabelstreet.com HQ: Washington, DC, United StatesReported employees: 201-500 | Washington, DC, United States | 201-500 | Exact match | 273 contacts → |
“Babel Street delivers mission-grade risk intelligence for organizations across government, defense, and the private sector to expose hidden identities, secure vendor networks, and…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | AXURaxur.com HQ: Miami, FL, United StatesReported employees: 201-500 | Miami, FL, United States | 201-500 | Exact match | 234 contacts → |
“Axur is the external cybersecurity company empowering security teams to detect, inspect, and respond to threats beyond the perimeter.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Defendedgedefendedge.com HQ: Elmhurst, IL, United StatesReported employees: 51-200 | Elmhurst, IL, United States | 51-200 | Exact match | 167 contacts → |
“DefendEdge is a leading US-based cybersecurity firm specializing in protecting clients' firewalls, endpoints, and applications against cyber threats and vulnerabilities.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Domaintoolsdomaintools.com HQ: Seattle, WA, United StatesReported employees: 51-200 | Seattle, WA, United States | 51-200 | Exact match | 136 contacts → |
“DomainTools is the global leader for internet intelligence and the first place security practitioners go when they need to know.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Brandshieldbrandshield.com HQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 115 contacts → |
“BrandShield provides an AI Powered Digital Risk Protection solution.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | 360 Privacy360privacy.io HQ: Nashville, TN, United StatesReported employees: 51-200 | Nashville, TN, United States | 51-200 | Exact match | 110 contacts → |
“360 Privacy is the leader in digital exposure reduction for enterprises, executives, and high-profile individuals.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Constella Intelligenceconstella.ai HQ: Redwood City, CA, United StatesReported employees: 201-500 | Redwood City, CA, United States | 201-500 | Exact match | 97 contacts → |
“Constella Intelligence is a global leader in identity risk intelligence.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Apura Cyber Corpapura.io HQ: Miami, FL, United StatesReported employees: 51-200 | Miami, FL, United States | 51-200 | Exact match | 82 contacts → |
“Apura Cyber Corp is a company with deep technical expertise and extensive experience in threat intelligence, digital forensics, incident response, and anti-fraud operations.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Bytescarebytescare.com HQ: New Castle, DE, United StatesReported employees: 51-200 | New Castle, DE, United States | 51-200 | Exact match | 80 contacts → |
“Bytescare is building the future of Brand Protection.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Maxmindmaxmind.com HQ: Malden, MA, United StatesReported employees: 51-200 | Malden, MA, United States | 51-200 | Exact match | 77 contacts → |
“Founded in 2002, MaxMind is an industry leader in IP intelligence, proxy detection, and online fraud prevention tools.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Voyager Labsvoyager-labs.com HQ: New York, United StatesReported employees: 51-200 | New York, United States | 51-200 | Exact match | 68 contacts → |
“Voyager Labs, a world leader in AI-based investigation solutions, empowers organizations worldwide to gain deep investigative insights about individuals, groups, and topics.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Izoologicizoologic.com HQ: Wilmington, DE, United StatesReported employees: 201-500 | Wilmington, DE, United States | 201-500 | Exact match | 67 contacts → |
“Protecting the world’s leading Enterprise and Government organisations iZOOlogic provides bespoke and curated Threat Intelligence and Incident Response Asset Discovery and…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Q6 Cyberq6cyber.com HQ: Miami, FL, United StatesReported employees: 51-200 | Miami, FL, United States | 51-200 | Exact match | 65 contacts → |
“Q6 Cyber is an innovative threat intelligence company.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Darktowergetdarktower.com HQ: Charlotte, NC, United StatesReported employees: 11-50 | Charlotte, NC, United States | 11-50 | Exact match | 59 contacts → |
“DarkTower disrupts crime through cyber intelligence.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Threatmon End-To-End Intelligencethreatmon.io HQ: Ashburn, VA, United StatesReported employees: 51-200 | Ashburn, VA, United States | 51-200 | Exact match | 44 contacts → |
“ThreatMon is an End-to-End Intelligence platform that leverages the core element of threat actors' strength: communication.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Phishlabsphishlabs.com HQ: Charleston, SC, United StatesReported employees: 51-200 | Charleston, SC, United States | 51-200 | Exact match | 35 contacts → |
“Fortra's PhishLabs provides Digital Risk Protection through curated threat intelligence and complete mitigation.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Darkowldarkowl.com HQ: Denver, CO, United StatesReported employees: 11-50 | Denver, CO, United States | 11-50 | Exact match | 30 contacts → |
“DarkOwl is a Denver-based company that empowers organizations to continually improve their cybersecurity defenses using darknet intelligence.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Riskprofilerriskprofiler.io HQ: Rock Hill, SC, United StatesReported employees: 51-200 | Rock Hill, SC, United States | 51-200 | Exact match | 26 contacts → |
“RiskProfiler is a leading global provider of external threat intelligence, helping organizations stay ahead of cyber threats by identifying risks before they escalate into attacks.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Hold Security, LLCholdsecurity.com HQ: Mequon, WI, United StatesReported employees: 11-50 | Mequon, WI, United States | 11-50 | Exact match | 24 contacts → |
“Hold Security is an Information Security consulting firm helping other companies establish and maintain security of their data.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Groupsensegroupsense.io HQ: Arlington, VA, United StatesReported employees: 11-50 | Arlington, VA, United States | 11-50 | Exact match | 22 contacts → |
“GroupSense is a digital risk protection services company that delivers customer-specific intelligence that dramatically improves enterprise cybersecurity and fraud-management…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | ID Agentidagent.com HQ: Miami, FL, United StatesReported employees: 51-200 | Miami, FL, United States | 51-200 | Exact match | 20 contacts → |
“ID Agent's flagship product, Dark Web ID, monitors the dark web to identify compromised and stolen user credentials and deliver validated intelligence and alerts to prevent…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Hoplon Infosechoploninfosec.com HQ: Oak Brook, IL, United StatesReported employees: 51-200 | Oak Brook, IL, United States | 51-200 | Exact match | 19 contacts → |
“Headquartered in Oak Brook, Illinois, Hoplon InfoSec is a leading U.S-based cybersecurity firm with over a decade of experience safeguarding businesses worldwide.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Dark Watchdarkwatch.io HQ: Stuart, FL, United StatesReported employees: 11-50 | Stuart, FL, United States | 11-50 | Exact match | 17 contacts → |
“Dark Watch is a global security company specializing in advanced threat intelligence, focused on identifying and disrupting the world’s most dangerous criminal networks.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Argo Cyber Systemsargocyber.com HQ: Pensacola, FL, United StatesReported employees: 11-50 | Pensacola, FL, United States | 11-50 | Exact match | 11 contacts → |
“Argo Cyber Systems is a Service Disabled Veteran Owned Small Business (SDVOSB).” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 104 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Dark web monitoring services: dataset insights
September 19, 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
104 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 104 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: September 19, 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 dark web monitoring 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 dark web monitoring services did RevenueBase find based in the United States?
The saved snapshot records 104 matching company records, 3,052 tracked contacts and 1,399 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: September 19, 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
Dark web monitoring services by geography
Cite this list
RevenueBase Data Team. Top 25 dark web monitoring services based in the United States. Snapshot: September 19, 2026. https://revenuebase.ai/companies/dark-web-monitoring-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
- Dark web monitoring services based in India
- Dark web monitoring services based in the United Kingdom
- AI companies based in the United States
- Cybersecurity companies based in the United States
- Manufacturing companies based in the United States
- Media companies based in the United States