HiddenLayer
HiddenLayer is a cybersecurity company specializing in AI Security, founded in 2022 and headquartered in Austin, United States. It has raised $156.25M in equity across 3 priced rounds, employs about 176 people, and is privately held.
#6AI Security Pacesetter· Q3 2026updated Oct 20, 2026
Latest HiddenLayer news and company activity
What HiddenLayer did, dated — selected moves from the record, one per kind, newest first.
- Oct 2026Customer winNetRise Deploys HiddenLayer for AI Asset Discovery and Risk Assessment
- Oct 2026Exec changeHiddenLayer Appoints Jake O'Donnell as Chief Financial Officer
- Sep 2026Mega roundHiddenLayer nabs $100M as enterprises rush to secure their AI deployments
- Aug 2026Product launchHiddenLayer Introduces Agent Harness Security for AI Coding Agents
HiddenLayer Momentum score
78/ 100climbing
Mandos Momentum blends hiring, funding, traffic and sentiment into one score out of 100. The score is free; the pillars behind it unlock in the platform.
HiddenLayer funding
HiddenLayer has raised $156.25M in priced equity. Its most recent round was a Series B in September 2026. It has 3 funding rounds on record: Seed, Series A, and Series B. 11 investors are on record, including Delta-v Capital and Ten Eleven Ventures.
- Equity raised
- $156.25M3 priced rounds
- Last round
- Series BSep 2026
HiddenLayer employees and hiring
As of September 2026, HiddenLayer has about 176 employees, down 1% over the last 30 days, with 12 open roles.
- Employees
- 176
- 30-day change
- -1%
- Open roles
- 12
HiddenLayer competitors
Competitors of HiddenLayer include Zenity, Reach Security, and WitnessAI. The full competitive set, with overlap scoring, is in the platform.
ranked by CybersecTools comparison demand, 90 days
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HiddenLayer CISO Score
How HiddenLayer reads to a CISO buyer: seven dimensions of the Mandos Framework, scored through the eyes of a security buyer.
