Company lists · Data refreshed September 2026

Top 25 Cybersecurity businesses based in Boston, United States

Name: Cybersecurity businesses based in Boston, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 99 companies tracked

RevenueBase identified 99 company matches for cybersecurity businesses associated with Boston, United States as of September 2026 and tracks 7,790 professional contacts across them, including 3,763 with verified work emails. Across the United States, New York is the largest hub for this category (403 companies); Boston has 99.

This list covers company matches for cybersecurity businesses associated with Boston, 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 September 21, 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 Sep 21, 2026 How this list was built

99Companies

7,790Contacts tracked

3,763Verified emails

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The 25 largest cybersecurity businesses based in Boston, United States

Ranked by team size

Top 25 of 99 company matches for cybersecurity businesses based in Boston, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Rapid7	Exact match	Boston, MA, United StatesHQ recorded Sep 21, 2026	1,001-5,000	2,822 contacts →
	Exact match “Rapid7, Inc.(NASDAQ: RPD) is a global leader in AI-powered managed cybersecurity operations, trusted to advance organizations’ cyber resilience.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2	Recorded Future	Exact match	Boston, MA, United StatesHQ recorded Sep 21, 2026	501-1,000	1,030 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3	Bitsight	Exact match	Boston, MA, United StatesHQ recorded Sep 21, 2026	501-1,000	752 contacts →
	Exact match “Bitsight is the global leader in cyber risk intelligence, leveraging advanced AI to empower organizations with precise insights derived from the industry’s most extensive external…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4	Onespan	Exact match	Boston, MA, United StatesHQ recorded Sep 21, 2026	501-1,000	583 contacts →
	Exact match “OneSpan helps organizations build secure, seamless, and trusted digital experiences through two solution portfolios: Cybersecurity and Digital Agreements.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5	Onapsis	Exact match	Boston, MA, United StatesHQ recorded Sep 21, 2026	201-500	338 contacts →
	Exact match “Onapsis is the global leader in SAP cybersecurity and compliance, trusted by the world’s leading organizations to securely accelerate their SAP cloud digital transformations with…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6	IANS	Exact match	Boston, MA, United StatesHQ recorded Sep 21, 2026	51-200	327 contacts →
	Exact match “For the security practitioner caught between rapidly evolving threats and demanding executives, IANS Research is a clear-headed resource for decision-making and articulating risk.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7	Cynet Security	Exact match	Boston, MA, United StatesHQ recorded Sep 21, 2026	201-500	309 contacts →
	Exact match “Cynet’s unified, AI-powered cybersecurity platform brings together a full suite of security capabilities in a single, simple solution, backed by 24x7 SOC support.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8	Cyberbit	Exact match	Boston, MA, United StatesHQ recorded Sep 21, 2026	51-200	174 contacts →
	Exact match “The Cyberbit Readiness platform builds high-performing SOC teams at everything from government organizations and CNI to smaller companies deep in the supply chain.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9	Black Kite	Exact match	Boston, MA, United StatesHQ recorded Sep 21, 2026	51-200	148 contacts →
	Exact match “Black Kite is an AI-native third-party cyber risk management platform built for the connected world.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10	Point Wild	Exact match	Boston, MA, United StatesHQ recorded Sep 21, 2026	51-200	133 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 · Sep 21, 2026 · View company records in RevenueBase
11	Corvus By Travelers	Exact match	Boston, MA, United StatesHQ recorded Sep 21, 2026	201-500	114 contacts →
	Exact match “Corvus by Travelers is a team of underwriters, technologists, and cybersecurity pros on a mission to reduce cyber risk and make organizations safer.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12	Windwalker Group	Exact match	Boston, MA, United StatesHQ recorded Sep 21, 2026	201-500	91 contacts →
	Exact match “Windwalker is an award-winning small business with over 25 years of experience delivering cutting-edge security, IT, and training solutions.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13	PANGO	Exact match	Boston, MA, United StatesHQ recorded Sep 21, 2026	51-200	70 contacts →
	Exact match “Pango offers a comprehensive and customizable suite of solutions designed to boost customer loyalty and retention, fueling business growth.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14	WIZER	Exact match	Boston, MA, United StatesHQ recorded Sep 21, 2026	51-200	68 contacts →
	Exact match “Wizer is a security awareness platform that helps you quickly deliver impactful, enjoyable, and interactive training and dynamic phishing simulations as well as secure code…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15	EIQ Networks	Exact match	Boston, MA, United StatesHQ recorded Sep 21, 2026	51-200	57 contacts →
	Exact match “EiQ, a pioneer in hybrid security as a service, is transforming how mid-market organizations build enterprise-class security programs.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16	Reflectiz	Exact match	Boston, MA, United StatesHQ recorded Sep 21, 2026	51-200	53 contacts →
	Exact match “Reflectiz is the AI-powered web exposure company trusted by hundreds of global organizations, including Cox Communications, DAZN, Village Roadshow, Leeds United, and…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17	Tracelay	Exact match	Boston, MA, United StatesHQ recorded Sep 21, 2026	11-50	51 contacts →
	Exact match “Founded by elite cybersecurity entrepreneurs in collaboration with partners with expertise in the intelligence community, Tracelay brings together global expertise and…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18	Cybertrust Massachusetts	Exact match	Boston, MA, United StatesHQ recorded Sep 21, 2026	n/a	42 contacts →
	Exact match “CyberTrust Massachusetts is a new non-profit committed to growing and strengthening the cyber workforce, creating opportunities and securing local entities.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19	Denexus	Exact match	Boston, MA, United StatesHQ recorded Sep 21, 2026	11-50	39 contacts →
	Exact match “DeNexus is the leading provider of cyber risk quantification and management for industrial organizations and the risk transfer market.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20	Skyward Federal	Exact match	Boston, MA, United StatesHQ recorded Sep 21, 2026	11-50	36 contacts →
	Exact match “Skyward Federal is a self-certified small business and nontraditional defense contractor launched in 2019 to tackle a challenge others avoided, building cyber logistics technology…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21	CORK	Exact match	Boston, MA, United StatesHQ recorded Sep 21, 2026	11-50	34 contacts →
	Exact match “Cork Cyber delivers cyber risk intelligence and resilience for MSPs.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22	Abusix, INC	Exact match	Boston, MA, United StatesHQ recorded Sep 21, 2026	11-50	31 contacts →
	Exact match “At Abusix, we empower businesses, ISPs, and email service providers with cutting-edge security solutions to safeguard digital infrastructure.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23	Adage Capital Management	Exact match	Boston, MA, United StatesHQ recorded Sep 21, 2026	11-50	25 contacts →
	Exact match “Adage Capital Management is a computer & network security company based out of 200 Clarendon St # 52, Boston, Massachusetts, United States.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24	Cybersaint	Exact match	Boston, MA, United StatesHQ recorded Sep 21, 2026	11-50	23 contacts →
	Exact match “Powered by patented AI and actuarial data, CyberSaint's CyberStrong platform enables enterprises to master their cyber risk posture and drive executive alignment by automating…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25	Bradford Networks	Exact match	Boston, MA, United StatesHQ recorded Sep 21, 2026	51-200	22 contacts →
	Exact match “Bradford Networks, a Fortinet Company, provides complete visibility into all network endpoints, enhance access control, & take security to the network edge.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “cybersecurity businesses”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 99 cybersecurity businesses based in Boston, United States

See the full list, filter by size, metro and specialty, and access 3,763 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Cybersecurity businesses based in Boston, United States at a glance

As of Sep 21, 2026

48.3%Verified-email coverage

78.7Average contacts per company

11-50Median size (employees)

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

10001+

Email recency for this list is measured across the whole United States list rather than for Boston, so it is reported there. Company counts and contact totals on this page are exact for Boston, over 99 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 Boston, United States whose business descriptions match “cybersecurity businesses” 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 3,763 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 21, 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.

Cybersecurity businesses by metro in the United States

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

How many cybersecurity businesses are there based in Boston, United States?

RevenueBase identified 99 company matches for cybersecurity businesses associated with Boston, United States 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?

Rapid7 tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United States has the most cybersecurity businesses?

New York leads the United States with 403 company records, followed by Austin (207) and Washington (203). Boston has 99.

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 3,763 professional contacts with verified work emails tracked across these 99 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 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 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.