Company lists · Data refreshed November 2026

Top 23 Cybersecurity startups based in New York, United States

Name: Cybersecurity startups based in New York, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 5, 2026 292 companies tracked

RevenueBase identified 292 company matches for cybersecurity startups associated with New York, United States as of November 2026 and tracks 5,459 professional contacts across them, including 2,380 with verified work emails. Across the United States, New York is the largest hub for this category.

This list covers company matches for cybersecurity startups associated with New York, 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 5, 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 5, 2026 How this list was built

292Companies

5,459Contacts tracked

2,380Verified emails

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The 23 largest cybersecurity startups based in New York, United States

Ranked by team size

Top 23 of 292 company matches for cybersecurity startups based in New York, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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	Bluevoyant	Exact match	New York, NY, United StatesHQ recorded Nov 5, 2026	501-1,000	668 contacts →
	Exact match “BlueVoyant’s Cyber Defense Platform (CDP) integrates MDR, TPRM, and DRP into a seamless, scalable solution.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2	Cymulate	Exact match	New York, NY, United StatesHQ recorded Nov 5, 2026	201-500	271 contacts →
	Exact match “Designed for companies that want to manage their security posture against the evolving threat landscape.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3	Flashpoint	Exact match	New York, NY, United StatesHQ recorded Nov 5, 2026	201-500	269 contacts →
	Exact match “Flashpoint is the leader in threat data and intelligence.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4	Harbor IT	Exact match	New York, NY, United StatesHQ recorded Nov 5, 2026	201-500	243 contacts →
	Exact match “Harbor IT helps organizations secure, operate, and scale through integrated IT, cybersecurity, AI, and cloud services.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5	Breachlock, INC	Exact match	New York, NY, United StatesHQ recorded Nov 5, 2026	51-200	164 contacts →
	Exact match “BreachLock is a global leader in Continuous Attack Surface Discovery and Penetration Testing.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6	Stroz Friedberg, A Levelblue Company	Exact match	New York, NY, United StatesHQ recorded Nov 5, 2026	501-1,000	157 contacts →
	Exact match “Stroz Friedberg is now LevelBlue, the world's largest pure-play Managed Security Services Provider (MSSP).” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7	Deep Instinct	Exact match	New York, NY, United StatesHQ recorded Nov 5, 2026	201-500	146 contacts →
	Exact match “Deep Instinct has developed the world’s first and only purpose-built deep learning cybersecurity framework powered by DSX Brain, a deep neural network that mimics the logic of the…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8	Cyberrisk Alliance	Exact match	New York, NY, United StatesHQ recorded Nov 5, 2026	51-200	134 contacts →
	Exact match “CyberRisk Alliance (CRA) was formed to help cybersecurity professionals face the challenges and obstacles that threaten the success and prosperity of their organizations.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9	Panorays	Exact match	New York, NY, United StatesHQ recorded Nov 5, 2026	51-200	123 contacts →
	Exact match “Panorays is a leading provider of third-party cyber risk management solutions, helping businesses optimize their defenses for each unique third-party relationship.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10	Morphisec	Exact match	New York, NY, United StatesHQ recorded Nov 5, 2026	51-200	110 contacts →
	Exact match “We empower organizations with resilient, self-healing capabilities that prevent and neutralize even the most advanced cyber threats.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11	Nopalcyber	Exact match	New York, NY, United StatesHQ recorded Nov 5, 2026	51-200	103 contacts →
	Exact match “NopalCyber makes cybersecurity manageable, affordable, reliable, and powerful for companies that need to be resilient and compliant.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12	Trail Of Bits	Exact match	New York, NY, United StatesHQ recorded Nov 5, 2026	51-200	102 contacts →
	Exact match “Since 2012, Trail of Bits has been the premier place for security experts to boldly advance security and address technology’s newest and most challenging risks.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13	Intezer	Exact match	New York, NY, United StatesHQ recorded Nov 5, 2026	51-200	78 contacts →
	Exact match “Intezer AI SOC delivers measurable security results, not just productivity gains.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14	Altourage	Exact match	New York, NY, United StatesHQ recorded Nov 5, 2026	51-200	67 contacts →
	Exact match “Altourage is a New York City-based managed IT and cybersecurity provider built for organizations that operate in high-stakes, fast-moving environments.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15	AXIO	Exact match	New York, NY, United StatesHQ recorded Nov 5, 2026	51-200	63 contacts →
	Exact match “Axio is the leader in SaaS-based cyber and AI management software, which empowers security leaders to build and optimize security programs and quantify risk in financial terms.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16	Trustmi	Exact match	New York, NY, United StatesHQ recorded Nov 5, 2026	51-200	62 contacts →
	Exact match “Trustmi is a leading cybersecurity company dedicated to eliminating socially engineered fraud.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17	Elpha Secure	Exact match	New York, NY, United StatesHQ recorded Nov 5, 2026	11-50	61 contacts →
	Exact match “Elpha Secure is a cyber insurance MGA serving small and midsize businesses across a range of industries.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18	Reasonlabs	Exact match	New York, United StatesHQ recorded Nov 5, 2026	51-200	61 contacts →
	Exact match “ReasonLabs is revolutionizing consumer cybersecurity with advanced, AI-powered protection against scams, fraud, and identity theft.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19	Eretmis INC	Exact match	New York, NY, United StatesHQ recorded Nov 5, 2026	n/a	59 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20	Converge Insurance	Exact match	New York, NY, United StatesHQ recorded Nov 5, 2026	11-50	58 contacts →
	Exact match “Converge fuses cyber insurance, security and technology to provide businesses with clear, confident cyber protection.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21	Port53	Exact match	New York, NY, United StatesHQ recorded Nov 5, 2026	51-200	54 contacts →
	Exact match “Port53 Technologies is The Global Leader in Cisco-Based Managed Security Operations, helping organizations modernize and secure their digital environments through advanced…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22	Nsknox	Exact match	New York, NY, United StatesHQ recorded Nov 5, 2026	11-50	52 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 5, 2026 · View company records in RevenueBase
23	White Wings Technologies	Exact match	New York, NY, United StatesHQ recorded Nov 5, 2026	51-200	51 contacts →
	Exact match “White Wings Technologies is a forward-thinking IT solutions provider, specializing in cloud computing, cybersecurity, managed IT services, and strategic IT consulting.” Recorded in the RevenueBase company graph · Nov 5, 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 startups”. 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 23 of 292 cybersecurity startups based in New York, United States

See the full list, filter by size, metro and specialty, and access 2,380 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Cybersecurity startups based in New York, United States at a glance

As of Nov 5, 2026

43.6%Verified-email coverage

18.7Average contacts per company

11-50Median size (employees)

Nov 5, 2026Page data refreshed

Companies by employee count

1-10

130

11-50

51-200

201-500

501-1,000

1,001-5,000

Email recency for this list is measured across the whole United States list rather than for New York, so it is reported there. Company counts and contact totals on this page are exact for New York, over 292 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 New York, United States whose business descriptions match “cybersecurity startups” 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 2,380 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 5, 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 startups 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 startups”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many cybersecurity startups are there based in New York, United States?

RevenueBase identified 292 company matches for cybersecurity startups associated with New York, 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?

Bluevoyant 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 startups?

New York leads the United States with 292 company records, followed by Austin (147) and San Francisco (141).

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 2,380 professional contacts with verified work emails tracked across these 292 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 5, 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.