Funded Cybersecurity startups in California
Every company below filed a Form D with the SEC from a California address. Amounts are as reported on the filing, not estimates.
Updated Jun 29, 2026
- Companies
- 11
- Total raised
- $277.0M
- Filings
- 13
- Median round
- $7.0M
- Cities
- 9
CompanyCityLast filingLatest round
Refraction PointEndpoint detection, logs and automation for security teams
Covina
Jun 29, 2026
$2.1M
IncalmoAI agents that red-team networks without an operator
Menlo Park
May 22, 2026
$8.7M
Autonomous CyberAI that runs cyber operations from plain-English commands
Sacramento
Apr 10, 2026
$2.5M
Protocol 9Stealth-mode startup founded in 2025 in the San Francisco Bay…
Saratoga
Mar 31, 2026
$8.8M
RunsybilAI agent that runs continuous penetration tests
San Francisco
Jan 30, 2026
$30.0M
Forescout ParentAgentless discovery and security for networked devices
San Jose
Oct 13, 2025
$444K
Atbash LabsTechnology company founded in 2022, located in Berkeley…
Berkeley
Apr 18, 2025
$4.0M
SafeIdentityDigital identity accreditation for healthcare
Fremont
Feb 24, 2025
$17.7M
Sgnl.aiAccess control and authorization for enterprise systems
Palo Alto
Jan 10, 2025
$30.0M
Small StepAutomated certificate management for devices and services
Menlo Park
Nov 5, 2024
$295K
ZeroPathAI code scanning that finds and patches vulnerabilities
San Francisco
Jun 17, 2024
$7.0M
All 11 companies · most recent filing first
Most recent filings
11All 11 companies · most recent filing first