Company lists · Data refreshed September 2026
Top 18 Threat detection and response companies based in Dallas, United States
RevenueBase identified 64 threat detection and response companies headquartered in Dallas, United States as of September 2026 and tracks 815 professional contacts across them, including 206 with verified work emails. New York is the largest hub.
This list covers threat detection and response companies headquartered in Dallas, 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 22, 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.
The 18 largest threat detection and response companies based in Dallas, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 156 contacts → | ||||
Partial evidence “AT & T Cybersecurity’s Edge-to-Edge technologies provide phenomenal threat intelligence, collaborative defense, security without the seams, and solutions that fit your business.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 2 | 154 contacts → | ||||
Indirect evidence “SQ1 Security is a global cybersecurity leader offering end-to-end cybersecurity and compliance solution.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 3 | 70 contacts → | ||||
Partial evidence “Zyston is a next‑generation cybersecurity partner dedicated to helping organizations stay one step ahead of threats.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 4 | 64 contacts → | ||||
Indirect evidence “Apollo Information Systems delivers intelligence-led cybersecurity solutions for government agencies, educational institutions, and enterprises.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 5 | 15 contacts → | ||||
Strong evidence “Cyber adAPT offers a leading network threat detection platform (NTD) to the enterprise and ODM/OEM markets.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 6 | 15 contacts → | ||||
Indirect evidence “At Upstart Cyber, we bring the expertise gained from government and large-scale businesses to organizations of all sizes.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 7 | 10 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 8 | 7 contacts → | ||||
Indirect evidence “Did you know that the IT Industry is completely unregulated?” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 9 | 6 contacts → | ||||
Indirect evidence “We are security engineers with over 20 years of experience working in the DFW Metroplex.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 10 | 4 contacts → | ||||
Indirect evidence “Birch Cline is a Dallas, Texas-based cybersecurity firm that specializes in protecting highly regulated environments and government agencies.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 11 | 4 contacts → | ||||
Partial evidence “Welcome to Strafe, where cybersecurity steps up to combat emerging threats.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 12 | 3 contacts → | ||||
Indirect evidence “Method is here to assist its clients in protecting their vital information from the plethora of cyber-attacks occurring within all business segments.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 13 | 3 contacts → | ||||
Indirect evidence “With decades of combined experience in system and application architecture, Black Arc Security's team of veteran certified security experts can quickly evaluate and mitigate risks…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 14 | 2 contacts → | ||||
Indirect evidence “Dallas-based firm delivering strategic cybersecurity solutions that close critical security gaps and enable business growth.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 15 | 2 contacts → | ||||
Partial evidence “Cyber Defense Labs is a full life-cycle information security service provider helping companies manage, detect and respond to today’s cyber risks.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 16 | 2 contacts → | ||||
Strong evidence “For nearly 20 years, Hawk Network Defense has helped organizations detect threats, reduce exposure, and respond to security incidents faster.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 17 | 2 contacts → | ||||
Indirect evidence “SLVA’s expertise has been hard won in the trenches of banks and financial services, healthcare, telecommunications, retail, utilities, and government organizations.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 18 | 1 contacts → | ||||
Indirect evidence “Cyberdors is a cybersecurity advisory and managed services firm helping organizations identify risks, build security strategies, and stay protected.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
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: threat detection and response companies. 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 threat detection and response companies.
- Partial evidence
- Its own public description names part of threat detection and response companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name threat detection and response companies. 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 18 of 64 threat detection and response companies based in Dallas, United States
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Threat detection and response companies based in Dallas, United States at a glance
As of Sep 22, 2026Companies by employee count
Email recency for this list is measured across the whole United States list rather than for Dallas, so it is reported there. Company counts and contact totals on this page are exact for Dallas, over 64 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 threat detection and response companies, 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 Dallas, United States whose own description of what they do matches “threat detection and response companies”. 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 threat detection and response companies), 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 threat detection and response companies, and records with no verified work email. Companies headquartered outside Dallas 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, 206 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 22, 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.
Threat detection and response companies by metro in the United States
- Threat detection and response companies in New York122
- Threat detection and response companies in Austin74
- Threat detection and response companies in Washington72
- Threat detection and response companies in Miami71
- Threat detection and response companies in San Francisco65
- Threat detection and response companies in Dallas64
- Threat detection and response companies in Houston63
- Threat detection and response companies in Atlanta62
- Threat detection and response companies in Chicago62
- Threat detection and response companies in Tampa45
- Threat detection and response companies in Boston41
- Threat detection and response companies in San Diego40
- Threat detection and response companies in Columbia39
- Threat detection and response companies in Las Vegas37
- Threat detection and response companies in Arlington36
- Threat detection and response companies in Los Angeles34
- Threat detection and response companies in Reston34
- Threat detection and response companies in Charlotte31
- Threat detection and response companies in Denver31
- Threat detection and response companies in San Jose30
- Threat detection and response companies in Baltimore29
- Threat detection and response companies in Orlando29
- Threat detection and response companies in Mclean28
- Threat detection and response companies in Phoenix26
- Threat detection and response companies in Plano26
- Threat detection and response companies in Sheridan25
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 threat detection and response companies, 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 threat detection and response companies are there based in Dallas, United States?
RevenueBase identified 64 threat detection and response companies headquartered in Dallas, 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?
At&t Cybersecurity, headquartered in Dallas, tops this list with the largest team on record.
Which city has the most threat detection and response companies?
New York leads with 122 headquartered companies, followed by Austin (74) and Washington (72).
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 206 verified decision-maker contacts tracked across these 64 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 22, 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.
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