DepthFirst

DepthFirst

AI-native security platform detecting vulnerabilities

Overview

DepthFirst (Patcherai) offers an AI-native security platform called General Security Intelligence (GSI) that analyzes a company’s code, infrastructure, and business logic to identify and remediate vulnerabilities. It uses AI-powered agents to build a deep contextual model of a system, enabling detection of complex issues such as business logic flaws and backdoors that traditional static tools might miss. The platform surfaces actionable fixes that can be merged directly into developers’ workflows, while reducing false positives and increasing true positives. Delivered as a SaaS to support DevSecOps, its goal is to secure software against automated and autonomous threats and improve security and developer efficiency; the company raised $40 million in Series A in January 2026 to scale R&D, go-to-market, and hiring.

About DepthFirst

Simplify's Rating
Why DepthFirst is rated
B-
Rated B on Competitive Edge
Rated B on Growth Potential
Rated C on Differentiation

Industries

Data & Analytics

Enterprise Software

Cybersecurity

AI & Machine Learning

Company Size

51-200

Company Stage

Series B

Total Funding

$140.8M

Headquarters

San Francisco, California

Founded

2024

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Simplify's Take

What believers are saying

  • Dependency Firewall blocks malicious packages before installation across enterprises.
  • Open Defense Initiative builds credibility with FFmpeg, Envoy, and Kata Containers.
  • Proven zero-day discovery supports efficient scanning economics and enterprise adoption.

What critics are saying

  • Autonomous remediation can introduce breaking patches and exploitable regressions.
  • Crowded AI security vendors can copy workflow integrations and compress pricing.
  • Compute-heavy deep-context scanning can slow deployments and raise customer costs.

What makes DepthFirst unique

  • DepthFirst uses AI-native context across code, infrastructure, and business logic.
  • Its agents target complex flaws like business logic bugs and backdoors.
  • It delivers ready-to-merge fixes directly inside developer workflows.

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Funding

Total Funding

$140.8M

Above

Industry Average

Funded Over

3 Rounds

Series B funding is typically for startups that have proven their business model and need more funding to expand rapidly—often by entering new markets or adding more products. Investors are usually venture capital firms that specialize in later-stage investments.
Series B Funding Comparison
Above Average

Industry standards

$35M
$45M
Linktree
$65M
Substack
$80M
DepthFirst
$100M
ClickUp

Benefits

Health Insurance

Vision Insurance

Dental Insurance

Meal Benefits

Company Equity

Growth & Insights

Headcount

6 month growth

-2%

1 year growth

-2%

2 year growth

-2%

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DepthFirst is Hiring for 12 Jobs on Simplify!

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