Company lists · Data refreshed September 2026

Top 25 Cybersecurity lawyers based in the United States

Name: Cybersecurity lawyers based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 1,873 companies tracked

RevenueBase identified 1,873 cybersecurity lawyers headquartered in the United States as of September 2026 and tracks 22,052 professional contacts across them, including 10,119 with verified work emails. New York is the largest hub.

This list covers cybersecurity lawyers 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 21, 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 21, 2026 86% judged on-target in blind review

1,873Companies

22,052Contacts tracked

10,119Verified emails

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The 25 largest cybersecurity lawyers based in the United States

Ranked by team size

Top 25 of 1,873 cybersecurity lawyers based in the United States, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to cybersecurity lawyers: 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	OPTIV	Indirect evidence	Leawood, KS, United StatesHQ checked Sep 21, 2026	1,001-5,000	2,222 contacts →
	Indirect evidence “Optiv is the cyber advisory and solutions leader, delivering strategic and technical expertise to nearly companies across every major industry.” Source: RevenueBase Database · checked Sep 21, 2026
2	Guidepoint Security	Partial evidence	Reston, VA, United StatesHQ checked Sep 21, 2026	1,001-5,000	1,232 contacts →
	Partial evidence “GuidePoint Security provides trusted cybersecurity expertise, solutions, and services that help organizations make informed decisions and minimize risk.” Source: RevenueBase Database · checked Sep 21, 2026
3	Trustwave, A Levelblue Company	Partial evidence	Chicago, IL, United StatesHQ checked Sep 21, 2026	501-1,000	874 contacts →
	Partial 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 21, 2026
4	Knobbe Martens	Indirect evidence	Irvine, CA, United StatesHQ checked Sep 21, 2026	501-1,000	606 contacts →
	Indirect evidence “Knobbe Martens protects the ideas that drive innovation and propel our world forward.” Source: RevenueBase Database · checked Sep 21, 2026
5	ARETE	Indirect evidence	Boca Raton, FL, United StatesHQ checked Sep 21, 2026	201-500	462 contacts →
	Indirect evidence “Arete helps organizations stay ahead of cyber threats with standardized, intelligence-led detection, response, resolution, and resilience capabilities.” Source: RevenueBase Database · checked Sep 21, 2026
6	Palo Alto Networks Unit 42	Indirect evidence	Santa Clara, CA, United StatesHQ checked Sep 21, 2026	5,001-10,000	441 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 21, 2026
7	Haystackid	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 21, 2026	201-500	368 contacts →
	Indirect evidence “HaystackID solves complex data challenges related to legal, compliance, regulatory, and cyber events.” Source: RevenueBase Database · checked Sep 21, 2026
8	Baxter Clewis Cybersecurity	Partial evidence	Cedar Hill, TX, United StatesHQ checked Sep 21, 2026	201-500	255 contacts →
	Partial evidence “Baxter Clewis Cybersecurity, we bring to the table a unique set of experiences that allow us to best serve your cybersecurity needs.” Source: RevenueBase Database · checked Sep 21, 2026
9	Lumifi	Indirect evidence	Scottsdale, AZ, United StatesHQ checked Sep 21, 2026	51-200	249 contacts →
	Indirect evidence “Lumifi Cyber helps organizations illuminate their cyber defense with continuous protection across the full security lifecycle.” Source: RevenueBase Database · checked Sep 21, 2026
10	Mullen Coughlin LLC	Indirect evidence	Devon, PA, United StatesHQ checked Sep 21, 2026	201-500	213 contacts →
	Indirect evidence “Founded by John F.” Source: RevenueBase Database · checked Sep 21, 2026
11	Mindpoint Group, A Quantum SKY Company	Partial evidence	Reston, VA, United StatesHQ checked Sep 21, 2026	1,001-5,000	204 contacts →
	Partial evidence “MindPoint Group, a Quantum Sky company, is a cybersecurity specialist trusted by U.S.” Source: RevenueBase Database · checked Sep 21, 2026
12	Safeaeon INC	Partial evidence	Pleasanton, CA, United StatesHQ checked Sep 21, 2026	51-200	196 contacts →
	Partial 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 21, 2026
13	Deepseas	Indirect evidence	Globally Distributed, United StatesHQ checked Sep 21, 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 21, 2026
14	Cypfer	Indirect evidence	Miami, FL, United StatesHQ checked Sep 21, 2026	51-200	178 contacts →
	Indirect evidence “Global Cyber Certainty Champions, in an uncertain digital world.” Source: RevenueBase Database · checked Sep 21, 2026
15	Cyber Advisors	Indirect evidence	Maple Grove, MN, United StatesHQ checked Sep 21, 2026	201-500	176 contacts →
	Indirect evidence “Cyber Advisors is a nationwide leader in cyber security, providing a comprehensive range of Offensive, Defensive, and Risk Management services.” Source: RevenueBase Database · checked Sep 21, 2026
16	Stratascale	Partial evidence	Charlotte, NC, United StatesHQ checked Sep 21, 2026	201-500	171 contacts →
	Partial evidence “Stratascale is a premier services company proudly operating as the cybersecurity division of SHI.” Source: RevenueBase Database · checked Sep 21, 2026
17	Ampcus Cyber	Indirect evidence	Chantilly, VA, United StatesHQ checked Sep 21, 2026	1,001-5,000	170 contacts →
	Indirect evidence “Trusted By 2,880+ World-Class Brands And Organizations Of All Sizes…!” Source: RevenueBase Database · checked Sep 21, 2026
18	Nuharbor	Partial evidence	Colchester, VT, United StatesHQ checked Sep 21, 2026	51-200	151 contacts →
	Partial evidence “nuHarbor is a U.S-based cybersecurity firm trusted by public sector and critical infrastructure organizations nationwide.” Source: RevenueBase Database · checked Sep 21, 2026
19	Accorian	Indirect evidence	East Brunswick, NJ, United StatesHQ checked Sep 21, 2026	51-200	148 contacts →
	Indirect evidence “At Accorian, we don’t just advise on compliance, we operationalize it.” Source: RevenueBase Database · checked Sep 21, 2026
20	Wilkinson Barker Knauer, LLP	Indirect evidence	Washington, DC, United StatesHQ checked Sep 21, 2026	51-200	138 contacts →
	Indirect evidence “With offices in Washington, DC, Denver, Colorado, and Austin, Texas, Wilkinson Barker Knauer (WBK) is the nation’s largest stand-alone communications and technology law firm.” Source: RevenueBase Database · checked Sep 21, 2026
21	SOLIS	Indirect evidence	Austin, TX, United StatesHQ checked Sep 21, 2026	51-200	137 contacts →
	Indirect evidence “Solis is a leading provider of managed cyber security services and cyber incident response.” Source: RevenueBase Database · checked Sep 21, 2026
22	Ciso Global	Partial evidence	Scottsdale, AZ, United StatesHQ checked Sep 21, 2026	201-500	136 contacts →
	Partial evidence “CISO Global was designed from inception to bring talent together from cybersecurity, compliance, remediation, and secured managed services practice areas for a comprehensive…” Source: RevenueBase Database · checked Sep 21, 2026
23	Helpsystems	Indirect evidence	Eden Prairie, MN, United StatesHQ checked Sep 21, 2026	1,001-5,000	131 contacts →
	Indirect evidence “HelpSystems has long been known for helping organizations become more secure and autonomous.” Source: RevenueBase Database · checked Sep 21, 2026
24	Edgile	Partial evidence	Austin, TX, United StatesHQ checked Sep 21, 2026	51-200	119 contacts →
	Partial evidence “Edgile was founded in 2001 to deliver strategic cybersecurity and risk management services to the Fortune 500.” Source: RevenueBase Database · checked Sep 21, 2026
25	Kudu Dynamics LLC	Indirect evidence	Chantilly, VA, United StatesHQ checked Sep 21, 2026	51-200	113 contacts →
	Indirect evidence “Those who play with the devil's toys will be brought by degrees to wield his sword.~ R.” Source: RevenueBase Database · checked Sep 21, 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: cybersecurity lawyers. 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 cybersecurity lawyers.
Partial evidence: Its own public description names part of cybersecurity lawyers, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name cybersecurity lawyers. 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 1,873 cybersecurity lawyers based in the United States

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Cybersecurity lawyers based in the United States at a glance

As of Sep 21, 2026

45.9%Verified-email coverage

11.8Average contacts per company

1-10Median size (employees)

3.4%Largest-city concentration · New York

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

1,191

11-50

505

51-200

135

201-500

501-1,000

1,001-5,000

5,001-10,000

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 1,873 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 cybersecurity lawyers, 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 “cybersecurity lawyers”. 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 cybersecurity lawyers), 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 cybersecurity lawyers, 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, 10,119 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 21, 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.

Cybersecurity lawyers by metro

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 cybersecurity lawyers, 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 cybersecurity lawyers are there based in the United States?

RevenueBase identified 1,873 cybersecurity lawyers 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?

OPTIV, headquartered in Leawood, tops this list with the largest team on record.

Which city has the most cybersecurity lawyers?

New York leads with 64 headquartered companies, followed by Washington (57) and Atlanta (39).

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 10,119 verified decision-maker contacts tracked across these 1,873 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 21, 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.