
Depthfirst
Depthfirst is a cybersecurity company specializing in Application Security, founded in 2024 and headquartered in San Francisco, United States. It has raised $120M in equity across 2 priced rounds, employs about 68 people, and is privately held.
#2Application Security Pacesetter· Q3 2026updated Oct 18, 2026
Latest Depthfirst news and company activity
What Depthfirst did, dated — selected moves from the record, one per kind, newest first.
- Oct 2026Hiring surgeDepthFirst Listed Among Fastest-Growing SF Startups Hiring GTM Talent (4 Sales Roles)
- Oct 2026Feature launchDepthFirst Introduces Agentic Pentesting on Platform
- Jun 2026Acquisitiondepthfirst acquires Almanax team
- Mar 2026Mega roundMeet The $580 Million Startup Making AI Models To Fight Artificial Hackers
Depthfirst Momentum score
88/ 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.
Depthfirst funding
Depthfirst has raised $120M in priced equity. Its most recent round was a Series B in March 2026.
- Equity raised
- $120M2 priced rounds
- Last round
- Series BMar 2026
Depthfirst employees and hiring
Depthfirst has about 68 employees, up 8% over the last 30 days, with 14 open roles.
- Employees
- 68
- 30-day change
- +8%
- Open roles
- 14
Depthfirst competitors
Security professionals most often compare Depthfirst against Aikido Security on cybersectools.com. The full competitive set, with overlap scoring, is in the platform.
ranked by CybersecTools comparison demand, 90 days
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Depthfirst CISO Score
How Depthfirst reads to a CISO buyer: seven dimensions of the Mandos Framework, scored through the eyes of a security buyer.




