Company lists · Data refreshed September 2026

Top 25 Breach detection services based in the United States

Name: Breach detection services based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 668 companies tracked

RevenueBase identified 668 breach detection services headquartered in the United States as of September 2026 and tracks 20,882 professional contacts across them, including 10,144 with verified work emails. New York is the largest hub.

This list covers breach detection services headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 19, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 19, 2026 86% judged on-target in blind review

668Companies

20,882Contacts tracked

10,144Verified emails

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The 25 largest breach detection services based in the United States

Ranked by team size

Top 25 of 668 breach detection services based in the United States, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to breach detection services: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Arctic Wolf	Partial evidence	Eden Prairie, MN, United StatesHQ checked Sep 19, 2026	1,001-5,000	3,145 contacts →
	Partial evidence “Every year new technologies, vendors, and solutions emerge-yet despite this constant innovation, high-profile breaches are all over the headlines.” Source: RevenueBase Database · checked Sep 19, 2026
2	Guidepoint Security	Indirect evidence	Reston, VA, United StatesHQ checked Sep 19, 2026	1,001-5,000	1,232 contacts →
	Indirect evidence “GuidePoint Security provides trusted cybersecurity expertise, solutions, and services that help organizations make informed decisions and minimize risk.” Source: RevenueBase Database · checked Sep 19, 2026
3	Trustwave, A Levelblue Company	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 19, 2026	501-1,000	874 contacts →
	Indirect evidence “Trustwave, a LevelBlue Company, is a globally recognized cybersecurity leader that reduces cyber risk and fortifies organizations against disruptive and damaging cyber threats.” Source: RevenueBase Database · checked Sep 19, 2026
4	Cyderes	Indirect evidence	Kansas City, MO, United StatesHQ checked Sep 19, 2026	1,001-5,000	844 contacts →
	Indirect evidence “Today’s threatscape is relentless.” Source: RevenueBase Database · checked Sep 19, 2026
5	Extrahop	Indirect evidence	Seattle, WA, United StatesHQ checked Sep 19, 2026	501-1,000	726 contacts →
	Indirect evidence “ExtraHop is a leader in real-time network intelligence, empowering organizations with the high-fidelity context they need to power security and IT AI automation, detect risks…” Source: RevenueBase Database · checked Sep 19, 2026
6	Huntress	Indirect evidence	Columbia, MD, United StatesHQ checked Sep 19, 2026	501-1,000	696 contacts →
	Indirect evidence “Protect Your Endpoints, Identities, Logs, and Employees.” Source: RevenueBase Database · checked Sep 19, 2026
7	Bluevoyant	Indirect evidence	New York, NY, United StatesHQ checked Sep 19, 2026	501-1,000	683 contacts →
	Indirect evidence “BlueVoyant’s Cyber Defense Platform (CDP) integrates MDR, TPRM, and DRP into a seamless, scalable solution.” Source: RevenueBase Database · checked Sep 19, 2026
8	Network Intelligence	Indirect evidence	Plano, TX, United StatesHQ checked Sep 19, 2026	501-1,000	641 contacts →
	Indirect evidence “At Network Intelligence, we combine our team of 500+ security professionals with Transilience – our cutting-edge AI platform.” Source: RevenueBase Database · checked Sep 19, 2026
9	Vikingcloud	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 19, 2026	1,001-5,000	628 contacts →
	Indirect evidence “VikingCloud delivers battle-tested cybersecurity and compliance solutions that simply work.” Source: RevenueBase Database · checked Sep 19, 2026
10	Cybereason, A Levelblue Company	Partial evidence	San Diego, CA, United StatesHQ checked Sep 19, 2026	1,001-5,000	574 contacts →
	Partial evidence “Cybereason, a LevelBlue company, is a global cybersecurity leader delivering advanced endpoint detection and response (EDR) and industry recognized consulting services to support…” Source: RevenueBase Database · checked Sep 19, 2026
11	ARETE	Partial evidence	Boca Raton, FL, United StatesHQ checked Sep 19, 2026	201-500	462 contacts →
	Partial evidence “Arete helps organizations stay ahead of cyber threats with standardized, intelligence-led detection, response, resolution, and resilience capabilities.” Source: RevenueBase Database · checked Sep 19, 2026
12	RED Canary, A Zscaler Company	Indirect evidence	Denver, CO, United StatesHQ checked Sep 19, 2026	201-500	408 contacts →
	Indirect evidence “Red Canary stops cyber threats no one else does, so organizations can fearlessly pursue their missions.” Source: RevenueBase Database · checked Sep 19, 2026
13	Cipher A Prosegur Company	Indirect evidence	Miami, FL, United StatesHQ checked Sep 19, 2026	201-500	295 contacts →
	Indirect evidence “We are Cipher, a company from the Prosegur group specializing in Cybersecurity.” Source: RevenueBase Database · checked Sep 19, 2026
14	Niksun	Indirect evidence	Princeton, NJ, United StatesHQ checked Sep 19, 2026	201-500	276 contacts →
	Indirect evidence “In the ever-growing world of Cloud Computing, Big Data and the Internet of Things, NIKSUN® is the industry leader in making the unknown known.” Source: RevenueBase Database · checked Sep 19, 2026
15	GM Sectec	Indirect evidence	San Juan, PR, United StatesHQ checked Sep 19, 2026	1,001-5,000	239 contacts →
	Indirect evidence “GM Sectec is a multi-national organization laser focused on cyber defense, advisory and fraud prevention.” Source: RevenueBase Database · checked Sep 19, 2026
16	AXUR	Indirect evidence	Miami, FL, United StatesHQ checked Sep 19, 2026	201-500	234 contacts →
	Indirect evidence “Axur is the external cybersecurity company empowering security teams to detect, inspect, and respond to threats beyond the perimeter.” Source: RevenueBase Database · checked Sep 19, 2026
17	Webroot	Indirect evidence	Broomfield, CO, United StatesHQ checked Sep 19, 2026	501-1,000	199 contacts →
	Indirect evidence “Webroot, an OpenText company, was the first to harness the cloud and artificial intelligence to stop zero-day threats in real time.” Source: RevenueBase Database · checked Sep 19, 2026
18	Blackpoint Cyber	Indirect evidence	Remote, United StatesHQ checked Sep 19, 2026	51-200	198 contacts →
	Indirect evidence “Blackpoint Cyber is a technology-driven cybersecurity company.” Source: RevenueBase Database · checked Sep 19, 2026
19	Safeaeon INC	Indirect evidence	Pleasanton, CA, United StatesHQ checked Sep 19, 2026	51-200	196 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 19, 2026
20	Netwitness	Partial evidence	Boston, MA, United StatesHQ checked Sep 19, 2026	1,001-5,000	191 contacts →
	Partial evidence “NetWitness provides comprehensive and highly scalable threat detection and response capabilities for organizations around the world.” Source: RevenueBase Database · checked Sep 19, 2026
21	Deepseas	Indirect evidence	Globally Distributed, United StatesHQ checked Sep 19, 2026	201-500	182 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 19, 2026
22	Alert Logic	Indirect evidence	Eden Prairie, MN, United StatesHQ checked Sep 19, 2026	501-1,000	177 contacts →
	Indirect evidence “Alert Logic, a LevelBlue company, helps organizations detect threats earlier, respond faster, and reduce cyber risk across modern IT environments.” Source: RevenueBase Database · checked Sep 19, 2026
23	Lumu Technologies	Indirect evidence	Doral, FL, United StatesHQ checked Sep 19, 2026	51-200	175 contacts →
	Indirect evidence “At Lumu Technologies, we're redefining the cybersecurity landscape with our Continuous Compromise Assessment model, enabling organizations to measure compromise in real time.” Source: RevenueBase Database · checked Sep 19, 2026
24	Defendedge	Indirect evidence	Elmhurst, IL, United StatesHQ checked Sep 19, 2026	51-200	167 contacts →
	Indirect evidence “DefendEdge is a leading US-based cybersecurity firm specializing in protecting clients' firewalls, endpoints, and applications against cyber threats and vulnerabilities.” Source: RevenueBase Database · checked Sep 19, 2026
25	Armor Defense	Partial evidence	Plano, TX, United StatesHQ checked Sep 19, 2026	51-200	166 contacts →
	Partial evidence “Armor is a global leader in cloud-native managed detection and response.” Source: RevenueBase Database · checked Sep 19, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: breach detection services. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names breach detection services.
Partial evidence: Its own public description names part of breach detection services, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name breach detection services. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 668 breach detection services based in the United States

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Breach detection services based in the United States at a glance

As of Sep 19, 2026

48.6%Verified-email coverage

31.3Average contacts per company

11-50Median size (employees)

3.6%Largest-city concentration · New York

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

297

11-50

241

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 668 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among breach detection services, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in the United States whose own description of what they do matches “breach detection services”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names breach detection services), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among breach detection services, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 10,144 across the full list. 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.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names breach detection services, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many breach detection services are there based in the United States?

RevenueBase identified 668 breach detection services headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Arctic Wolf, headquartered in Eden Prairie, tops this list with the largest team on record.

Which city has the most breach detection services?

New York leads with 24 headquartered companies, followed by Austin (16) and Dallas (14).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 10,144 verified decision-maker contacts tracked across these 668 companies.

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.

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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 Smart Search, 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.