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Cybersecurity 47 startups

"Cybersecurity" Startups

Every active startup we index tagged "Cybersecurity", sorted by score and momentum.

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Last updated

2026-09-02

Hiring right now 2% 1 of 47

Open roles 110

Most-hired discipline Engineering

47 tech startups tagged "Cybersecurity" are currently indexed on techstartupslist.com. This page lists every active match, with logos, taglines, and direct links to each company's site — no paywalled middleman. Notable "Cybersecurity" startups in the index include TRM Labs, Agentic Fabriq, Antigen, Archon, and BitPatrol. Each profile surfaces team size, founding year, category, and any open roles their careers page is publicly scrapable for. These companies concentrate in AI / ML, Security, and Dev Tools — the categories where this tag shows up most often in our scrape. Geographically, "Cybersecurity" lean toward San Francisco, New York City, and Boston, with the rest spread across remote-first teams and other hubs. Y Combinator batches represented here: S26, F25, Sp25, and S25, among others. 2% of these companies are hiring right now (1 of 47) — a live signal from the jobs we scrape, not a static directory claim; 1 is currently flagged as trending on hiring momentum; the listing refreshes whenever the scrape runs so tag membership stays current as companies re-tag and new ones appear.

TRM is building a safer world for billions of people.

FintechMachine LearningGovTech

The control plane for AI agents.

Artificial IntelligenceB2BIdentity

Continuous offensive security for the enterprise.

CybersecurityAI

We help software companies sell to government.

GovTechComplianceCybersecurity

AI-powered code security

DevSecOpsMachine LearningCybersecurity

Protect your data and stop insider risk

Artificial IntelligenceCybersecurity

Hosting platform for software you don't want to have hacked

CybersecurityCloud ComputingInfrastructure

Autonomous offensive and defensive security platform

Global Compliance for Enterprises

B2BComplianceLegalTech

Visibility and Controls for Browser Agents

CybersecurityAI

Corgea finds, and fixes insecure code and packages autonomously.

Developer ToolsSaaSSecurity

AI Agents for Security Operations Teams

SaaSComplianceSecurity

The Control Plane for Enterprise Agents

Artificial IntelligenceGenerative AICybersecurity

Cyberfend delivers robust, real-time web and mobile security by…

CybersecurityFraud Prevention

Shifting the asymmetry of cyber security.

The world's frontier hacker for AI agents.

Artificial IntelligenceReinforcement LearningCybersecurity

Take control of your data in real-time.

Fuzzing as a Service

SecurityCybersecurity

The AI Security Engineer to Find and Fix Vulnerabilities

SaaSB2BSecurity

Your always-on red team.

Artificial IntelligenceB2BCybersecurity

Hunter2 trains engineering teams in application security through…

Developer ToolsEducationCybersecurity

The sensitive data redaction layer for AI

Artificial IntelligenceB2BCompliance

AI-driven mobile cybersecurity

PrivacyCybersecurityDefense

Cloud Native SIEM (alternative to Splunk/Elastic)

DevSecOpsAnalyticsOpen Source

MedCrypt gives medical device vendors cybersecurity features in a few…

Medical DevicesHealthcareCybersecurity

Firmware cybersecurity

DevSecOpsHardwareGovTech

Nebula Security

Autonomous AI defense system for cyber attack

B2BSecurityCybersecurity

Enterprise software for enterprise risk and cyber fraud intelligence

Artificial IntelligenceCybersecurityFraud Prevention

AI that finds and fixes OS-level vulnerabilities across device fleets

SaaSB2BCybersecurity

We help you get compliant while you focus on your business.

SaaSB2BCompliance

LLM Security and Compliance

Generative AISecurityCybersecurity

Autonomous Runtime Security

Developer ToolsSaaSB2B

AI-native Red Teaming and Offensive Security

IoT SecurityCybersecurityEnterprise Software

Trust Center platform that scales customer security reviews

SaaSProductivityCybersecurity

Protects organizations from getting breached through their APIs.

Security for agents that self-improves

Developer ToolsSecurityCybersecurity

AI agent for Compliance Questionnaires Automation

Artificial IntelligenceGenerative AICompliance

Automated Answers to Security Questionnaires

ComplianceCybersecurity

Data pipeline for your security data lake.

B2BCybersecurityBig Data

Automate your cyber security risk assessments

SecurityCybersecurity

Securing AI native apps directly on devices

Artificial IntelligenceSaaSSecurity

Autonomous offensive security agents. The best defense is offense

Artificial IntelligenceSecurityCybersecurity

Use AI tools without fear of data leakage

Artificial IntelligencePrivacyCybersecurity

AI Agents for Fraud Review and Investigations

Artificial IntelligenceComplianceCybersecurity

Continuous AI pentesting that finds and fixes vulnerabilities

SecurityCybersecurityAI

Close your outdated dependency attack vector

Artificial IntelligenceSecurityCybersecurity

Automatically find and fix your software vulnerabilities

Artificial IntelligenceDeveloper ToolsB2B

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2 of 4 similar companies are hiring right now · most common: Engineering

We help companies win government funding with AI

Artificial IntelligenceGovTech

Risk Decisioning Platform for Banks

FintechFinanceB2B

The Leader in Digital Trust & Safety

FintechMachine LearningSaaS

Build in a weekend. Scale to millions.

Developer ToolsOpen SourceBig Data

YC S26 startupsAll cohort members Startups in San Francisco2567 indexed AI / ML startupsFull category listing

"Cybersecurity" startups in San Francisco28 startups "Cybersecurity" startups in New York City8 startups

Frequently asked questions

How many "Cybersecurity" startups are indexed?

Our index currently tracks 47 active tech startups tagged "Cybersecurity". New entries appear automatically as scrapers discover them; shutdowns are flagged inactive and drop off this listing.

What are the top "Cybersecurity" startups?

Among the "Cybersecurity" startups indexed here: TRM Labs, Agentic Fabriq, and Antigen, plus 44 more on this page. Sorting prioritizes curated score, sponsored placements, and trending signals.

Are "Cybersecurity" startups hiring right now?

1 of the 47 companies on this page currently have open roles in our jobs index. Open roles link straight to each company's own careers page.

How often is the "Cybersecurity" startup list updated?

Automated scrapers refresh this page on the same daily cadence as the rest of the directory. The last index update was 2026-09-02.