Company lists · Data refreshed November 2026

Top 25 Cyber extortion response services based in the United States

RevenueBase identified 548 company matches for cyber extortion response services associated with the United States as of November 2026 and tracks 5,696 professional contacts across them, including 2,416 with verified work emails. New York is the largest hub.

This list covers company matches for cyber extortion response services associated with the United States, 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 November 6, 2026.

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 Nov 6, 2026 How this list was built
548Companies
5,696Contacts tracked
2,416Verified emails
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The 25 largest cyber extortion response services based in the United States

Ranked by team size
Top 25 of 548 company matches for cyber extortion response services based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchSanta Clara, CA, United StatesHQ recorded Nov 6, 20265,001-10,000510 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 · Nov 6, 2026 · View company records in RevenueBase
2Exact matchHolmdel, United StatesHQ recorded Nov 6, 202651-200193 contacts →

Exact match

“At Index Engines, we are the experts in Cyber Resiliency, helping organizations build an infrastructure where trusted data is available and reliable.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchGlobally Distributed, United StatesHQ recorded Nov 6, 2026201-500190 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 · Nov 6, 2026 · View company records in RevenueBase
4Exact matchEden Prairie, MN, United StatesHQ recorded Nov 6, 2026501-1,000177 contacts →

Exact match

“Alert Logic, a LevelBlue company, helps organizations detect threats earlier, respond faster, and reduce cyber risk across modern IT environments.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchElmhurst, IL, United StatesHQ recorded Nov 6, 202651-200170 contacts →

Exact match

“DefendEdge is a leading US-based cybersecurity firm specializing in protecting clients' firewalls, endpoints, and applications against cyber threats and vulnerabilities.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchWest Hartford, CT, United StatesHQ recorded Nov 6, 202651-200163 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 · Nov 6, 2026 · View company records in RevenueBase
7Exact matchBoston, MA, United StatesHQ recorded Nov 6, 202651-200160 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 · Nov 6, 2026 · View company records in RevenueBase
8Exact matchAustin, TX, United StatesHQ recorded Nov 6, 202651-200139 contacts →

Exact match

“Solis is a leading provider of managed cyber security services and cyber incident response.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchHilton Head Island, SC, United StatesHQ recorded Nov 6, 202611-50104 contacts →

Exact match

“For more than 15 years, 1FORCE has been a steadfast supporter of dynamic and demanding programs within the federal sector, with a specific focus on National Security.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchMiami, FL, United StatesHQ recorded Nov 6, 202651-20090 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 · Nov 6, 2026 · View company records in RevenueBase
11Exact matchBurlington, VT, United StatesHQ recorded Nov 6, 202651-20080 contacts →

Exact match

“At Vertek, we deliver advanced cybersecurity solutions that empower businesses to protect their digital assets and achieve peace of mind.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchRemote, United StatesHQ recorded Nov 6, 202611-5077 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 · Nov 6, 2026 · View company records in RevenueBase
13Exact matchMiami Lakes, IL, United StatesHQ recorded Nov 6, 202611-5067 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSan Antonio, TX, United StatesHQ recorded Nov 6, 202651-20064 contacts →

Exact match

“CyberFortress is the only platform that covers every phase of cyber resilience, from stopping threats before they land to standing next to you during a full-blown recovery.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchMclean, VA, United StatesHQ recorded Nov 6, 202651-20062 contacts →

Exact match

“MOXFIVE is cybersecurity company helping organizations respond to incidents and minimize the risk of future attacks.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchMclean, VA, United StatesHQ recorded Nov 6, 202651-20060 contacts →

Exact match

“BreakPoint Labs, a Valiant Solutions Company, delivers offensive and defensive cybersecurity to the Department of War, federal agencies, and commercial organizations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchRichmond, VA, United StatesHQ recorded Nov 6, 202651-20053 contacts →

Exact match

“Protecting your organization from security breaches is the #1 goal of Guardian 365® managing security operations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchNew York, NY, United StatesHQ recorded Nov 6, 202611-5052 contacts →

Exact match

“nsKnox is a cybersecurity company focused on Corporate Payment Security, founded and led by Alon Cohen, Founder & former CEO of CyberArk (NASDAQ: CYBR).”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchCharlotte, NC, United StatesHQ recorded Nov 6, 202611-5051 contacts →

Exact match

“DarkTower disrupts crime through cyber intelligence.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchLewisburg, PA, United StatesHQ recorded Nov 6, 202651-20048 contacts →

Exact match

“Airiam provides businesses with extensive enterprise-grade cybersecurity and IT services backed by Airiam’s ransomware recovery guarantee.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchFalls Church, VA, United StatesHQ recorded Nov 6, 202651-20048 contacts →

Exact match

“XOR Security, An Agile Defense Company, is a cyber operations and engineering firm specializing in helping federal and commercial organizations understand the complexity of cyber…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchReston, VA, United StatesHQ recorded Nov 6, 202651-20046 contacts →

Exact match

“Volexity is a leading provider of threat intelligence and incident suppression services and solutions based in the Washington, DC area.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchSt. Louis, MO, United StatesHQ recorded Nov 6, 202651-20045 contacts →

Exact match

“Virtually anyone can provide you with basic cybersecurity hardware, software and monitoring.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchSt. Paul, MN, United StatesHQ recorded Nov 6, 202611-5044 contacts →

Exact match

“Blue Team Alpha, An Elite Cybersecurity Force.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchSacramento, VA, United StatesHQ recorded Nov 6, 2026n/a42 contacts →

Exact match

“ManTech Cyber Solutions International (MCSI) delivers advanced cybersecurity and information security products to the federal and commercial marketplace.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 548 cyber extortion response services based in the United States

See the full list, filter by size, metro and specialty, and access 2,416 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Cyber extortion response services based in the United States at a glance

As of Nov 6, 2026
42.4%Verified-email coverage
10.4Average contacts per company
1-10Median size (employees)
2.7%Largest-city concentration · New York
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
324
11-50
164
51-200
48
201-500
5
501-1,000
1
1,001-5,000
2
5,001-10,000
3
10001+
1

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 548 companies.

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.
What qualifies
Company records associated with the United States whose business descriptions match “cyber extortion 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 2,416 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 November 6, 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.

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

How many cyber extortion response services are there based in the United States?

RevenueBase identified 548 company matches for cyber extortion response services associated with the United States as of November 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?

Palo Alto Networks Unit 42 tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most cyber extortion response services?

New York leads with 15 company records, followed by Chicago (13) and Atlanta (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 2,416 professional contacts with verified work emails tracked across these 548 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 November 6, 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.