Company lists · Data refreshed September 2026

Top 25 Security breach response services worldwide

RevenueBase identified 1,811 company matches for security breach response services worldwide as of September 2026 and tracks 38,249 professional contacts across them, including 8,128 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 services 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 services 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 29, 2026 How this list was built
1,811Companies
38,249Contacts tracked
8,128Verified emails
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The 25 largest security breach response services worldwide

Ranked by team size
Top 25 of 1,811 company matches for security breach response services worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchUnited StatesHQ recorded Sep 29, 2026n/a12,771 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2Exact matchReston, VA, United StatesHQ recorded Sep 29, 20261,001-5,0001,232 contacts →

Exact match

“GuidePoint Security provides trusted cybersecurity expertise, solutions, and services that help organizations make informed decisions and minimize risk.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
3Exact matchChicago, IL, United StatesHQ recorded Sep 29, 2026501-1,000874 contacts →

Exact match

“Trustwave, a LevelBlue Company, is a globally recognized cybersecurity leader that reduces cyber risk and fortifies organizations against disruptive and damaging cyber threats.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4Exact matchBengaluru, IndiaHQ recorded Sep 29, 2026201-500743 contacts →

Exact match

“SISA is a global forensics-driven cybersecurity solutions company, trusted by leading organizations for securing their businesses with robust preventive, detective, and corrective…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5Exact matchParis, FranceHQ recorded Sep 29, 202651-200506 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
6Exact matchCupertino, CA, United StatesHQ recorded Sep 29, 20261,001-5,000473 contacts →

Exact match

“At Aujas Cybersecurity, we specialize in building and transforming cybersecurity postures to help businesses effectively mitigate risks.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7Exact matchBoca Raton, FL, United StatesHQ recorded Sep 29, 2026201-500462 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
8Exact matchSanta Clara, CA, United StatesHQ recorded Sep 29, 20265,001-10,000441 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
9Exact match경기도, South KoreaHQ recorded Sep 29, 20265,001-10,000348 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10Exact matchSwedenHQ recorded Sep 29, 2026201-500332 contacts →

Exact match

“Prevent Breach & Minimize Impact”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11Exact matchMoscow, RussiaHQ recorded Sep 29, 20261,001-5,000328 contacts →

Exact match

“BI.ZONE is an expert in digital risks management that helps organizations develop their businesses safely in cyberspace.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12Exact matchBrussels, BelgiumHQ recorded Sep 29, 2026201-500315 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
13Exact matchScottsdale, AZ, United StatesHQ recorded Sep 29, 202651-200249 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
14Exact matchTel Aviv, IsraelHQ recorded Sep 29, 2026201-500249 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
15Exact matchDublin, United KingdomHQ recorded Sep 29, 2026501-1,000219 contacts →

Exact match

“About VikingCloud VikingCloud is the leading Predict-to-Prevent cybersecurity and compliance company, offering businesses a single, integrated solution to make informed…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16Exact matchAhmedabad, IndiaHQ recorded Sep 29, 2026201-500212 contacts →

Exact match

“In the current era of hyper-connectivity, securing your digital assets is no longer optional; it's essential.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17Exact matchPleasanton, CA, United StatesHQ recorded Sep 29, 202651-200196 contacts →

Exact match

“SafeAeon leads the industry as a top-tier Cybersecurity-as-a-Service provider, delivering 24x7 premium Managed Security Services with AI-powered and human-driven 24x7 SOC…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18Exact matchGlobally Distributed, United StatesHQ recorded Sep 29, 2026201-500182 contacts →

Exact match

“With 30 years of experience in cyber defense, DeepSeas is trusted by nearly clients around the world, including Fortune 100 enterprises and mid-market organizations, municipality…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19Exact matchMiami, FL, United StatesHQ recorded Sep 29, 202651-200178 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
20Exact matchLondon, United KingdomHQ recorded Sep 29, 202651-200177 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
21Exact matchWest Hartford, CT, United StatesHQ recorded Sep 29, 202651-200157 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
22Exact matchDallas, TX, United StatesHQ recorded Sep 29, 20261,001-5,000156 contacts →

Exact match

“AT & T Cybersecurity’s Edge-to-Edge technologies provide phenomenal threat intelligence, collaborative defense, security without the seams, and solutions that fit your business.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23Exact matchNew Delhi, IndiaHQ recorded Sep 29, 202611-50149 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
24Exact matchOslo, NorwayHQ recorded Sep 29, 202651-200138 contacts →

Exact match

“Netsecurity is a dedicated cyber security company that helps companies before, during and after an attack.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25Exact matchAustin, TX, United StatesHQ recorded Sep 29, 202651-200137 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

Showing 25 of 1,811 security breach response services worldwide

See the full list, filter by size, metro and specialty, and access 8,128 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Security breach response services worldwide at a glance

As of Sep 29, 2026
21.3%Verified-email coverage
21.1Average contacts per company
1-10Median size (employees)
2.7%Largest-city concentration · London
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
908
11-50
674
51-200
175
201-500
30
501-1,000
9
1,001-5,000
9
5,001-10,000
4
10001+
2

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 services are linked below.
What qualifies
Company records worldwide whose business descriptions match “security breach response 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. 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 8,128 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 services by location

14 lists · largest first

Every Security breach response services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many security breach response services are there worldwide?

RevenueBase identified 1,811 company matches for security breach response services 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?

Private Sector 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 services?

The United States leads with 458 companies, followed by India (152) and the United Kingdom (116). Every security breach response services list by country and city is linked on this page.

Which city has the most security breach response services?

London leads with 48 company records, followed by Paris (21) and Dubai (17).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 8,128 professional contacts with verified work emails tracked across these 1,811 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.