Company lists · Data refreshed September 2026
Top 25 Security breach response firms worldwide
RevenueBase identified 1,336 company matches for security breach response firms worldwide as of September 2026 and tracks 16,219 professional contacts across them, including 5,528 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for security breach response firms worldwide, 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 29, 2026. Country and city lists for security breach response firms follow the table.
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 security breach response firms worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 844 contacts → | ||||
Exact match “Today’s threatscape is relentless.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 2 | 506 contacts → | ||||
Exact match “Founded in 2008, OWN is a Pure Player in cybersecurity, with offices in Paris, Rennes and Toulouse, but with a presence throughout France with its fully remote employees.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 3 | 462 contacts → | ||||
Exact match “Arete helps organizations stay ahead of cyber threats with standardized, intelligence-led detection, response, resolution, and resilience capabilities.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 4 | 441 contacts → | ||||
Exact match “Palo Alto Networks Unit 42 brings together world-renowned threat researchers with an elite team of incident responders and security consultants to create an intelligence-driven…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 5 | 348 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 6 | 332 contacts → | ||||
Exact match “Prevent Breach & Minimize Impact” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 7 | 315 contacts → | ||||
Exact match “NVISO is a cyber security services firm composed of outstanding security professionals - each has a specific field of expertise, ranging from security research and risk management…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 8 | 249 contacts → | ||||
Exact match “Lumifi Cyber helps organizations illuminate their cyber defense with continuous protection across the full security lifecycle.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 9 | 249 contacts → | ||||
Exact match “Sygnia is a cyber technology and services company, providing high-end consulting and incident response support for organizations worldwide.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 10 | 178 contacts → | ||||
Exact match “Global Cyber Certainty Champions, in an uncertain digital world.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 11 | 177 contacts → | ||||
Exact match “Whether you’re a business or an individual, digital threats to your precious data and assets can come in any form - external or internal.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 12 | 157 contacts → | ||||
Exact match “Beazley Security is a global cyber risk management firm committed to helping clients develop true cyber resilience, improving their ability to withstand and recover from any…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 13 | 149 contacts → | ||||
Exact match “cyber security incident response and disaster recovery; issuing advisories, guidelines, security alerts, vulnerability notes, security bulletins, trends & analysis reports for…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 14 | 137 contacts → | ||||
Exact match “Solis is a leading provider of managed cyber security services and cyber incident response.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 15 | 133 contacts → | ||||
Exact match “Point Wild delivers best-in-class data breach resilience, response, and remediation for consumer and enterprise endpoints.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 16 | 127 contacts → | ||||
Exact match “Nixu is now DNV Cyber.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 17 | 124 contacts → | ||||
Exact match “Empresa de Ciberseguridad soportada en Datos.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 18 | 119 contacts → | ||||
Exact match “DEFEND are an independent agnostic cyber security partner.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 19 | 94 contacts → | ||||
Exact match “Bastion Security combines the skills, expertise and leadership from Quantum Security, ZX Security, Helix Security, Cassini and now Cythera.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 20 | 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 29, 2026 · View company records in RevenueBase | |||||
| 21 | 80 contacts → | ||||
Exact match “When your business relies on security, compliance and a strong reputation for taking care of your customers, you need a partner that understands your ethos, your challenges and…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 22 | 80 contacts → | ||||
Exact match “Itway Cyber Security and Resiliency, parte del Gruppo Itway, supporta le organizzazioni nella protezione degli ambienti digitali e mission-critical, garantendo operatività sicura…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 23 | 79 contacts → | ||||
Exact match “Since 2006, CyberClan has been delivering the peace of mind our clients need to operate with confidence online.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 24 | 79 contacts → | ||||
Exact match “Cybersecurity incidents have increased in frequency and sophistication, and because a breach affects personal and financial information, these incidents become news stories…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 25 | 73 contacts → | ||||
Exact match “Surefire Cyber delivers swift, strong response to cyber incidents such as ransomware, email compromise, malware, data theft, and other threats with end-to-end response…” Recorded in the RevenueBase company graph · Sep 29, 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 “security breach response firms”. 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 1,336 security breach response firms worldwide
See the full list, filter by size, metro and specialty, and access 5,528 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Security breach response firms worldwide at a glance
As of Sep 29, 2026Companies by employee count
Email recency is reported on each country list linked below.
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.
- Coverage
- Every country. Country and city lists for security breach response firms are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “security breach response firms” 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. 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 5,528 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 29, 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.
Security breach response firms by location
10 lists · largest firstEvery Security breach response firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Security breach response firms based in the United States364
- Security breach response firms based in India106
- Security breach response firms based in the United Kingdom80
- Security breach response firms based in Canada49
- Security breach response firms based in France40
- Security breach response firms based in Germany37
- Security breach response firms based in Australia34
- Security breach response firms based in Israel28
- Security breach response firms based in Brazil26
Cities
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 “security breach response firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many security breach response firms are there worldwide?
RevenueBase identified 1,336 company matches for security breach response firms worldwide 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?
Cyderes tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most security breach response firms?
The United States leads with 364 companies, followed by India (106) and the United Kingdom (80). Every security breach response firms list by country and city is linked on this page.
Which city has the most security breach response firms?
London leads with 35 company records, followed by Paris (15) and Dubai (11).
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 5,528 professional contacts with verified work emails tracked across these 1,336 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 29, 2026.
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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
Company intelligence · public preview
Top 25 security breach response firms worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 1,336 matching company records for security breach response firms worldwide, with 16,219 tracked contacts and 5,528 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 29, 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 security breach response firms worldwide
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 | HQ: Kansas City, MO, United StatesReported employees: 1,001-5,000 | Kansas City, MO, United States | 1,001-5,000 | Exact match | 844 contacts → |
“Today’s threatscape is relentless.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: Paris, FranceReported employees: 51-200 | Paris, France | 51-200 | Exact match | 506 contacts → |
“Founded in 2008, OWN is a Pure Player in cybersecurity, with offices in Paris, Rennes and Toulouse, but with a presence throughout France with its fully remote employees.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: Boca Raton, FL, United StatesReported employees: 201-500 | Boca Raton, FL, United States | 201-500 | Exact match | 462 contacts → |
“Arete helps organizations stay ahead of cyber threats with standardized, intelligence-led detection, response, resolution, and resilience capabilities.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HQ: Santa Clara, CA, United StatesReported employees: 5,001-10,000 | Santa Clara, CA, United States | 5,001-10,000 | Exact match | 441 contacts → |
“Palo Alto Networks Unit 42 brings together world-renowned threat researchers with an elite team of incident responders and security consultants to create an intelligence-driven…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: 경기도, South KoreaReported employees: 5,001-10,000 | 경기도, South Korea | 5,001-10,000 | Exact match | 348 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 6 | HQ: SwedenReported employees: 201-500 | Sweden | 201-500 | Exact match | 332 contacts → |
“Prevent Breach & Minimize Impact” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Brussels, BelgiumReported employees: 201-500 | Brussels, Belgium | 201-500 | Exact match | 315 contacts → |
“NVISO is a cyber security services firm composed of outstanding security professionals - each has a specific field of expertise, ranging from security research and risk management…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Scottsdale, AZ, United StatesReported employees: 51-200 | Scottsdale, AZ, United States | 51-200 | Exact match | 249 contacts → |
“Lumifi Cyber helps organizations illuminate their cyber defense with continuous protection across the full security lifecycle.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: Tel Aviv, IsraelReported employees: 201-500 | Tel Aviv, Israel | 201-500 | Exact match | 249 contacts → |
“Sygnia is a cyber technology and services company, providing high-end consulting and incident response support for organizations worldwide.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: Miami, FL, United StatesReported employees: 51-200 | Miami, FL, United States | 51-200 | Exact match | 178 contacts → |
“Global Cyber Certainty Champions, in an uncertain digital world.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 177 contacts → |
“Whether you’re a business or an individual, digital threats to your precious data and assets can come in any form - external or internal.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: West Hartford, CT, United StatesReported employees: 51-200 | West Hartford, CT, United States | 51-200 | Exact match | 157 contacts → |
“Beazley Security is a global cyber risk management firm committed to helping clients develop true cyber resilience, improving their ability to withstand and recover from any…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: New Delhi, IndiaReported employees: 11-50 | New Delhi, India | 11-50 | Exact match | 149 contacts → |
“cyber security incident response and disaster recovery; issuing advisories, guidelines, security alerts, vulnerability notes, security bulletins, trends & analysis reports for…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Austin, TX, United StatesReported employees: 51-200 | Austin, TX, United States | 51-200 | Exact match | 137 contacts → |
“Solis is a leading provider of managed cyber security services and cyber incident response.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: Boston, MA, United StatesReported employees: 51-200 | Boston, MA, United States | 51-200 | Exact match | 133 contacts → |
“Point Wild delivers best-in-class data breach resilience, response, and remediation for consumer and enterprise endpoints.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Espoo, FinlandReported employees: 501-1,000 | Espoo, Finland | 501-1,000 | Exact match | 127 contacts → |
“Nixu is now DNV Cyber.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 124 contacts → |
“Empresa de Ciberseguridad soportada en Datos.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: Auckland, New ZealandReported employees: 51-200 | Auckland, New Zealand | 51-200 | Exact match | 119 contacts → |
“DEFEND are an independent agnostic cyber security partner.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: Wellington, New ZealandReported employees: 51-200 | Wellington, New Zealand | 51-200 | Exact match | 94 contacts → |
“Bastion Security combines the skills, expertise and leadership from Quantum Security, ZX Security, Helix Security, Cassini and now Cythera.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | 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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | HQ: Swindon, United KingdomReported employees: 51-200 | Swindon, United Kingdom | 51-200 | Exact match | 80 contacts → |
“When your business relies on security, compliance and a strong reputation for taking care of your customers, you need a partner that understands your ethos, your challenges and…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: Milano, ItalyReported employees: 51-200 | Milano, Italy | 51-200 | Exact match | 80 contacts → |
“Itway Cyber Security and Resiliency, parte del Gruppo Itway, supporta le organizzazioni nella protezione degli ambienti digitali e mission-critical, garantendo operatività sicura…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | HQ: Vancouver, NV, CanadaReported employees: 51-200 | Vancouver, NV, Canada | 51-200 | Exact match | 79 contacts → |
“Since 2006, CyberClan has been delivering the peace of mind our clients need to operate with confidence online.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: Muscat, OmanReported employees: 51-200 | Muscat, Oman | 51-200 | Exact match | 79 contacts → |
“Cybersecurity incidents have increased in frequency and sophistication, and because a breach affects personal and financial information, these incidents become news stories…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: Remote, United StatesReported employees: 11-50 | Remote, United States | 11-50 | Exact match | 73 contacts → |
“Surefire Cyber delivers swift, strong response to cyber incidents such as ransomware, email compromise, malware, data theft, and other threats with end-to-end response…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,336 company matches
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Security breach response firms: dataset insights
September 29, 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
1,335 records in the displayed employee bands.
1 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 across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 1,336 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 29, 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 ↗
Security breach response firms by location
10 lists · largest firstEvery Security breach response firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Security breach response firms based in the United States364
- Security breach response firms based in India106
- Security breach response firms based in the United Kingdom80
- Security breach response firms based in Canada49
- Security breach response firms based in France40
- Security breach response firms based in Germany37
- Security breach response firms based in Australia34
- Security breach response firms based in Israel28
- Security breach response firms based in Brazil26
Cities
Questions about this company list
What does Exact match mean for security breach response firms?
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 security breach response firms did RevenueBase find worldwide?
The saved snapshot records 1,336 matching company records, 16,219 tracked contacts and 5,528 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 29, 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 security breach response firms worldwide. Snapshot: September 29, 2026. https://revenuebase.ai/companies/browse/security-breach-response-firms.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 security breach response firms worldwide
RevenueBase records 1,336 matching company records for security breach response firms worldwide, with 16,219 tracked contacts and 5,528 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 29, 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 security breach response firms worldwide
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 | HQ: Kansas City, MO, United StatesReported employees: 1,001-5,000 | Kansas City, MO, United States | 1,001-5,000 | Exact match | 844 contacts → |
“Today’s threatscape is relentless.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: Paris, FranceReported employees: 51-200 | Paris, France | 51-200 | Exact match | 506 contacts → |
“Founded in 2008, OWN is a Pure Player in cybersecurity, with offices in Paris, Rennes and Toulouse, but with a presence throughout France with its fully remote employees.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: Boca Raton, FL, United StatesReported employees: 201-500 | Boca Raton, FL, United States | 201-500 | Exact match | 462 contacts → |
“Arete helps organizations stay ahead of cyber threats with standardized, intelligence-led detection, response, resolution, and resilience capabilities.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HQ: Santa Clara, CA, United StatesReported employees: 5,001-10,000 | Santa Clara, CA, United States | 5,001-10,000 | Exact match | 441 contacts → |
“Palo Alto Networks Unit 42 brings together world-renowned threat researchers with an elite team of incident responders and security consultants to create an intelligence-driven…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: 경기도, South KoreaReported employees: 5,001-10,000 | 경기도, South Korea | 5,001-10,000 | Exact match | 348 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 6 | HQ: SwedenReported employees: 201-500 | Sweden | 201-500 | Exact match | 332 contacts → |
“Prevent Breach & Minimize Impact” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Brussels, BelgiumReported employees: 201-500 | Brussels, Belgium | 201-500 | Exact match | 315 contacts → |
“NVISO is a cyber security services firm composed of outstanding security professionals - each has a specific field of expertise, ranging from security research and risk management…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Scottsdale, AZ, United StatesReported employees: 51-200 | Scottsdale, AZ, United States | 51-200 | Exact match | 249 contacts → |
“Lumifi Cyber helps organizations illuminate their cyber defense with continuous protection across the full security lifecycle.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: Tel Aviv, IsraelReported employees: 201-500 | Tel Aviv, Israel | 201-500 | Exact match | 249 contacts → |
“Sygnia is a cyber technology and services company, providing high-end consulting and incident response support for organizations worldwide.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: Miami, FL, United StatesReported employees: 51-200 | Miami, FL, United States | 51-200 | Exact match | 178 contacts → |
“Global Cyber Certainty Champions, in an uncertain digital world.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 177 contacts → |
“Whether you’re a business or an individual, digital threats to your precious data and assets can come in any form - external or internal.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: West Hartford, CT, United StatesReported employees: 51-200 | West Hartford, CT, United States | 51-200 | Exact match | 157 contacts → |
“Beazley Security is a global cyber risk management firm committed to helping clients develop true cyber resilience, improving their ability to withstand and recover from any…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: New Delhi, IndiaReported employees: 11-50 | New Delhi, India | 11-50 | Exact match | 149 contacts → |
“cyber security incident response and disaster recovery; issuing advisories, guidelines, security alerts, vulnerability notes, security bulletins, trends & analysis reports for…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Austin, TX, United StatesReported employees: 51-200 | Austin, TX, United States | 51-200 | Exact match | 137 contacts → |
“Solis is a leading provider of managed cyber security services and cyber incident response.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: Boston, MA, United StatesReported employees: 51-200 | Boston, MA, United States | 51-200 | Exact match | 133 contacts → |
“Point Wild delivers best-in-class data breach resilience, response, and remediation for consumer and enterprise endpoints.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Espoo, FinlandReported employees: 501-1,000 | Espoo, Finland | 501-1,000 | Exact match | 127 contacts → |
“Nixu is now DNV Cyber.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 124 contacts → |
“Empresa de Ciberseguridad soportada en Datos.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: Auckland, New ZealandReported employees: 51-200 | Auckland, New Zealand | 51-200 | Exact match | 119 contacts → |
“DEFEND are an independent agnostic cyber security partner.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: Wellington, New ZealandReported employees: 51-200 | Wellington, New Zealand | 51-200 | Exact match | 94 contacts → |
“Bastion Security combines the skills, expertise and leadership from Quantum Security, ZX Security, Helix Security, Cassini and now Cythera.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | 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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | HQ: Swindon, United KingdomReported employees: 51-200 | Swindon, United Kingdom | 51-200 | Exact match | 80 contacts → |
“When your business relies on security, compliance and a strong reputation for taking care of your customers, you need a partner that understands your ethos, your challenges and…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: Milano, ItalyReported employees: 51-200 | Milano, Italy | 51-200 | Exact match | 80 contacts → |
“Itway Cyber Security and Resiliency, parte del Gruppo Itway, supporta le organizzazioni nella protezione degli ambienti digitali e mission-critical, garantendo operatività sicura…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | HQ: Vancouver, NV, CanadaReported employees: 51-200 | Vancouver, NV, Canada | 51-200 | Exact match | 79 contacts → |
“Since 2006, CyberClan has been delivering the peace of mind our clients need to operate with confidence online.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: Muscat, OmanReported employees: 51-200 | Muscat, Oman | 51-200 | Exact match | 79 contacts → |
“Cybersecurity incidents have increased in frequency and sophistication, and because a breach affects personal and financial information, these incidents become news stories…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: Remote, United StatesReported employees: 11-50 | Remote, United States | 11-50 | Exact match | 73 contacts → |
“Surefire Cyber delivers swift, strong response to cyber incidents such as ransomware, email compromise, malware, data theft, and other threats with end-to-end response…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Security breach response firms: dataset insights
September 29, 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
1,335 records in the displayed employee bands.
1 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 across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 1,336 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 29, 2026.
Publisher-reported method study
The published RevenueBase SmartSearch benchmark
86% good or better at Exact
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. It reports 86% of Exact matches judged good or better, and 77% for a 240-pair sample of one- or two-word categories. This evaluates the method across study queries rather than auditing this individual list.
Read the study and full methodology ↗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 ↗
Security breach response firms by location
10 lists · largest firstEvery Security breach response firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Security breach response firms based in the United States364
- Security breach response firms based in India106
- Security breach response firms based in the United Kingdom80
- Security breach response firms based in Canada49
- Security breach response firms based in France40
- Security breach response firms based in Germany37
- Security breach response firms based in Australia34
- Security breach response firms based in Israel28
- Security breach response firms based in Brazil26
Cities
Questions about this company list
What does Exact match mean for security breach response firms?
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 security breach response firms did RevenueBase find worldwide?
The saved snapshot records 1,336 matching company records, 16,219 tracked contacts and 5,528 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 29, 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.
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Cite this list
RevenueBase Data Team. Top 25 security breach response firms worldwide. Snapshot: September 29, 2026. https://revenuebase.ai/companies/browse/security-breach-response-firms.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗