Building in Austin
All 63 companies →
Command Zero
Autonomous investigation of security alerts and incidents for SOC teams
DryRun Security
Reviews pull requests for security flaws in both human-written and AI-generated code
Eve Security
Runtime firewall that checks AI agent actions against policy before they execute
Ghost Security
Autonomous security agents for application security that run inside your own infrastructure
HiddenLayer
Security for AI models and agentic, generative, and predictive AI applications across their lifecycle
Mallory
Threat and exposure management that matches threat intelligence against your attack surface
Nudge Security
Discovers and secures SaaS and AI apps, including shadow IT, by guiding employee behavior
Perpetual Systems
Security data lake with an AI agent that triages and investigates SOC alerts
Praetorian
Continuous offensive security testing that finds exploitable weaknesses before attackers do
Riscosity
Data firewall that monitors and controls sensitive data flowing to AI and third-party vendors
Spektion
Endpoint vulnerability management that finds exploitable software risks, including flaws without CVEs
Service providers
More providers →Local teams for penetration testing, red teaming, reverse engineering, and security assessments.
Chaotic Good Information Security
Penetration testing, executive hardening, and continuous offensive security assessments
Micro Evaluation Group (MEG)
Penetration testing, reverse engineering, and hardware and software security assurance
Praetorian
Continuous offensive security testing that finds exploitable weaknesses before attackers do
Meetups
All events →// founders
Austin Infosec Founders
A private Signal group and regular meetups for current, former, and aspiring security founders in Austin. Fundraising, hiring, pricing, and war stories, shared among people who've been there.
Backing Austin security
All investors →
Runtime Ventures
Austin seed fund focused exclusively on cybersecurity; $32M debut fund, $250K-$2M checks at pre-seed and seed.
Silverton Partners
Austin early-stage VC. Security portfolio includes SailPoint, Ping Identity, SpyCloud, Living Security, Clarity and Verosint.
LiveOak Ventures
Austin early-stage VC, pre-seed to Series B. Security portfolio includes Mallory, Spektion and Closinglock.
S3 Ventures
Austin VC, seed to Series B. Co-led Arpio's Series A (cloud recovery and resilience).
Hiring
All jobs →27 Austin security companies with open careers pages, plus local job boards and community postings.
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