Company lists · Data refreshed September 2026

Top 25 Cybersecurity platforms based in San Jose, United States

Name: Cybersecurity platforms based in San Jose, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 117 companies tracked

RevenueBase identified 117 company matches for cybersecurity platforms associated with San Jose, United States as of September 2026 and tracks 165,463 professional contacts across them, including 36,620 with verified work emails. Across the United States, New York is the largest hub for this category (415 companies); San Jose has 117.

This list covers company matches for cybersecurity platforms associated with San Jose, 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 28, 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 28, 2026 How this list was built

117Companies

165,463Contacts tracked

36,620Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest cybersecurity platforms based in San Jose, United States

Ranked by team size

Top 25 of 117 company matches for cybersecurity platforms based in San Jose, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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	CISCO	Exact match	San Jose, CA, United StatesHQ recorded Sep 28, 2026	10001+	137,277 contacts →
	Exact match “Cisco is the worldwide technology leader that is revolutionizing the way organizations connect and protect in the AI era.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	Symantec	Exact match	San Jose, CA, United StatesHQ recorded Sep 28, 2026	10001+	11,169 contacts →
	Exact match “Your backstage pass to the most epic cybersecurity solutions on the market for Endpoint, Network, Data and Cloud security.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Zscaler	Exact match	San Jose, CA, United StatesHQ recorded Sep 28, 2026	5,001-10,000	9,101 contacts →
	Exact match “Zscaler (NASDAQ: ZS) is a pioneer and global leader in zero trust security.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	Forescout Technologies INC	Exact match	San Jose, CA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,181 contacts →
	Exact match “As AI-driven vulnerability and exploitation accelerate attack velocity to machine speed, Forescout is a foundational cyber defense layer that allows organizations to segment and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Netenrich	Exact match	San Jose, CA, United StatesHQ recorded Sep 28, 2026	501-1,000	889 contacts →
	Exact match “Netenrich is redefining security operations by shifting the focus from "efficiency"(speed) to "efficacy"(comprehensive coverage).” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	A10 Networks, INC	Exact match	San Jose, CA, United StatesHQ recorded Sep 28, 2026	501-1,000	673 contacts →
	Exact match “A10 Networks provides security and infrastructure solutions for on-premises, hybrid cloud, and edge-cloud environments.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Vectra AI	Exact match	San Jose, CA, United StatesHQ recorded Sep 28, 2026	501-1,000	651 contacts →
	Exact match “Vectra AI is the cybersecurity AI leader in protecting modern networks from modern attacks.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Skyhigh Security	Exact match	San Jose, CA, United StatesHQ recorded Sep 28, 2026	501-1,000	640 contacts →
	Exact match “Skyhigh Security protects organizations with cloud-native security solutions that are both data-aware and simple to use.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	Securiti	Exact match	San Jose, CA, United StatesHQ recorded Sep 28, 2026	501-1,000	638 contacts →
	Exact match “Securiti is the pioneer of the Data Command Center, a centralized platform that enables the safe use of data and GenAI.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	Colortokens INC	Exact match	San Jose, CA, United StatesHQ recorded Sep 28, 2026	201-500	287 contacts →
	Exact match “ColorTokens, the leading enterprise microsegmentation company, stops the lateral spread of ransomware and malware within an organization’s diverse network topology.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Noname Security	Exact match	San Jose, CA, United StatesHQ recorded Sep 28, 2026	201-500	232 contacts →
	Exact match “Noname Security is the only company taking a complete, proactive approach to API Security.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	Concentric AI	Exact match	San Jose, CA, United StatesHQ recorded Sep 28, 2026	201-500	202 contacts →
	Exact match “Concentric AI is intelligent data security made easy.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Security Guard APP	Exact match	San Jose, CA, United StatesHQ recorded Sep 28, 2026	n/a	166 contacts →
	Exact match “Run your security operations seamlessly using Security Guard Web App and Mobile App for guards, security guard companies, and clients.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Stellar Cyber	Exact match	San Jose, CA, United StatesHQ recorded Sep 28, 2026	51-200	133 contacts →
	Exact match “By shining a bright light on the darkest corners of security operations, Stellar Cyber empowers organizations to see incoming attacks, know how to fight them, and act decisively –…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Safetica	Exact match	San Jose, CA, United StatesHQ recorded Sep 28, 2026	51-200	133 contacts →
	Exact match “Safetica delivers Intelligent Data Security for modern organizations that need to protect sensitive data, reduce insider risk, and ensure regulatory compliance-without disrupting…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Axiado Corporation	Exact match	San Jose, CA, United StatesHQ recorded Sep 28, 2026	51-200	124 contacts →
	Exact match “Axiado is a leading hardware-anchored platform security solutions company deploying a novel, AI-driven approach to platform security against ransomware, supply chain…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	Pulse Secure	Exact match	San Jose, CA, United StatesHQ recorded Sep 28, 2026	501-1,000	117 contacts →
	Exact match “Pulse Secure provides easy, comprehensive software-driven Secure Access solutions that provide visibility and seamless, protected connectivity between users, devices, things, and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	NST Cyber	Exact match	San Jose, CA, United StatesHQ recorded Sep 28, 2026	51-200	116 contacts →
	Exact match “NST Cyber is a leading provider of Threat Exposure Management to Global banks and Forbes companies.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	Elisity	Exact match	San Jose, CA, United StatesHQ recorded Sep 28, 2026	51-200	114 contacts →
	Exact match “Elisity is a leap forward in network segmentation architecture and is leading the enterprise effort to achieve Zero Trust maturity, proactively prevent security risks, and reduce…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Firecompass	Exact match	San Jose, CA, United StatesHQ recorded Sep 28, 2026	11-50	103 contacts →
	Exact match “FireCompass is an Agentic AI platform for autonomous penetration testing and red teaming across Web, API, and infrastructure.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Whitehat Dynamic By Synopsys	Exact match	San Jose, CA, United StatesHQ recorded Sep 28, 2026	201-500	89 contacts →
	Exact match “NTT Application Security is driving the future of application security.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Balbix	Exact match	San Jose, CA, United StatesHQ recorded Sep 28, 2026	51-200	83 contacts →
	Exact match “Balbix enables enterprises to reduce cyber risk faster and prove the impact in business terms.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Cybervergent	Exact match	San Jose, CA, United StatesHQ recorded Sep 28, 2026	51-200	83 contacts →
	Exact match “Cybervergent is a posture management platform that automates the lifecycle of compliance, governance, data security, and risk across cloud and on-premises environments.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Exaforce	Exact match	San Jose, CA, United StatesHQ recorded Sep 28, 2026	51-200	81 contacts →
	Exact match “At Exaforce, we are on a mission to 10x the productivity and efficacy of security and operations (SOC) teams using our transformative multi-model AI engine.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Virsec	Exact match	San Jose, CA, United StatesHQ recorded Sep 28, 2026	n/a	78 contacts →
	Exact match “In a new AI world where milliseconds matter, VSP locks down your software and access in real time, delivering autonomous security at speed.” Recorded in the RevenueBase company graph · Sep 28, 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 platforms”. 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 117 cybersecurity platforms based in San Jose, United States

See the full list, filter by size, metro and specialty, and access 36,620 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Cybersecurity platforms based in San Jose, United States at a glance

As of Sep 28, 2026

22.1%Verified-email coverage

1414.2Average contacts per company

11-50Median size (employees)

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency for this list is measured across the whole United States list rather than for San Jose, so it is reported there. Company counts and contact totals on this page are exact for San Jose, over 117 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 San Jose, United States whose business descriptions match “cybersecurity platforms” 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 36,620 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 28, 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 platforms 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 platforms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many cybersecurity platforms are there based in San Jose, United States?

RevenueBase identified 117 company matches for cybersecurity platforms associated with San Jose, 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?

CISCO 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 platforms?

New York leads the United States with 415 company records, followed by San Francisco (257) and Austin (217). San Jose has 117.

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 36,620 professional contacts with verified work emails tracked across these 117 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 28, 2026.

Ready to reach these companies? Verified emails and direct dials for all 117 cybersecurity platforms based in San Jose, United States. Start with a free account, no credit card.

Download this list →

Related lists

Cybersecurity platforms by geography

Browse the directory

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.