Depthfirst logo
Security
AI/ML

Depthfirst

AI-driven cybersecurity solutions

San Francisco· 13 roles

CORE INFO

$80M
Total Funding
Series B
Round
2024
Founded
11-50
Team Size
San Francisco, CA
Headquarters

Depthfirst is an applied AI lab that provides a comprehensive cybersecurity platform designed to detect and address vulnerabilities in software and infrastructure, catering to organizations seeking robust security solutions.

  • Series B funding round raised $80 million, led by Meritech Capital, with participation from Forerunner Ventures and The House Fund.fintech.global
  • Moveworks reported over 90% fewer false positives after implementing Depthfirst's solutions.depthfirst.com
  • TechCrunch covered Depthfirst's $40 million Series A funding announcement, highlighting its emergence from stealth.techcrunch.com

WHY WE WOULD WORK AT DEPTHFIRST

Leading Cybersecurity Innovator

Join a pioneering team developing AI-driven solutions that secure software against sophisticated cyber threats.

Rapid Growth Opportunities

Be part of a fast-growing company with significant funding, offering ample room for career advancement and innovation.

Cutting-Edge AI Technology

Work with advanced AI models like dfs-mini1, designed to revolutionize security in cryptocurrency and beyond.

Collaborative Team Environment

Engage with a talented team of experts from top tech companies, fostering a culture of collaboration and learning.

Impactful Industry Recognition

Contribute to a platform that outperforms traditional tools, reducing false positives by 85% and improving cybersecurity benchmarks.

Competitive Compensation Packages

Benefit from attractive salary offerings and equity options, reflecting the company's strong financial backing and growth potential.

MARKET AND TRACTION

GROWTH TACTICS

  • Depthfirst has raised significant funding, securing $40 million in a Series A round and $80 million in a Series B round in 2026.

  • The company is expanding its research and development efforts to address evolving challenges in software security through AI-driven solutions.
  • NOTABLE CUSTOMERS

  • Depthfirst has partnered with prominent companies such as AngelList, Lovable, Supabase, Moveworks, ClickUp, and incident.io.

  • These partnerships highlight Depthfirst's credibility and effectiveness in providing AI-driven cybersecurity solutions to leading organizations.
  • KEY METRICS

    ✦ KEY METRIC
  • Depthfirst's AI agents have uncovered eight times more true-positive vulnerabilities than traditional static analysis tools.

  • The company has reduced false positives by 85%, significantly enhancing the accuracy of vulnerability detection.

  • Approximately 80% of Depthfirst's recommended fixes are accepted and merged by developers, demonstrating the practical value of their solutions.
  • COMPETITIVE ADVANTAGE

  • Depthfirst's General Security Intelligence platform is adept at understanding code, business logic, and infrastructure, allowing it to identify complex vulnerabilities.

  • The platform minimizes false positives and offers actionable fixes, setting it apart from traditional cybersecurity tools.

  • Depthfirst achieved state-of-the-art performance on CyberGym, delivering a 90% performance improvement over previous benchmarks.
  • PRODUCT AND TECH

    General Security Intelligence

    Depthfirst's flagship platform utilizes custom AI agents to detect, triage, and remediate vulnerabilities in software and infrastructure, minimizing false positives and providing actionable fixes.

    AI-Native Security Models

    The company leverages AI-native security models, including dfs-mini1, to secure cryptocurrency smart contracts, enhancing security through reinforcement learning in specialized environments.

    Code and Infrastructure Understanding

    Depthfirst's technology is adept at understanding code, business logic, and infrastructure, enabling it to identify complex vulnerabilities and offer precise remediation strategies.

    Cybersecurity Evaluation Excellence

    Achieving state-of-the-art performance on CyberGym, Depthfirst's solutions deliver a 90% improvement over previous benchmarks, showcasing their effectiveness in cybersecurity evaluations.

    Developer-Centric Fixes

    Approximately 80% of Depthfirst's recommended fixes are accepted and merged by developers, highlighting the practical and actionable nature of their security solutions.

    COMPANY CULTURE

    Values

  • Commitment to innovation and excellence

  • Prioritizing security and trust

  • Emphasis on collaboration and teamwork

  • Dedication to continuous improvement and learning
  • Operating Principles

  • AI-driven decision-making

  • Proactive identification and remediation of vulnerabilities

  • Agile development and rapid iteration

  • Data-driven approach to security solutions
  • Benefits

  • Competitive salary and equity packages

  • Comprehensive health and wellness benefits

  • Flexible work arrangements, including remote options

  • Opportunities for professional development and growth
  • Team Cadence

  • Regular team syncs and stand-ups

  • Cross-functional collaboration

  • Open communication channels

  • Encouragement of feedback and idea sharing
  • Learning & Growth

  • Access to industry-leading training and resources

  • Support for attending conferences and workshops

  • Mentorship programs with experienced leaders

  • Encouragement of personal projects and innovation
  • HIRING SIGNAL

    13
    Open roles on their careers page
    Snapshot via live ATS poll
    Net new roles in the last 90 days
    Available once weekly history accrues
    90-Day VelocityV2 · BACKFILL
    Trend builds weekly as historical rows accrue
    By Function
    Breakdown of open roles
    GTM · 2
    Design · 1
    Product · 1
    Marketing · 1
    Operations · 1
    Engineering · 7
    Top Locations
    Where hiring is concentrated
    Remote-eligible postings counted separately
    San Francisco
    13
    SourcesGreenhouseLeverAshbyWorkableSmartRecruitersRipplingRecruiteeFallback · Wellfound, YC Work-at-a-Startup, careers-page scrape

    KEY COMPANY ANNOUNCEMENTS

    Filter
    7 announcements · ranked by importance
    Jan 14, 2026FUNDINGAI security firm, depthfirst, announces $40 million Series A | TechCrunchtechcrunch.com
    Mar 1, 2026FUNDINGApplied AI Lab depthfirst Announces $80 Million in Series B Fundingbusinesswire.com
    Jul 31, 2026PRODUCTDfs-Large1: New Frontier for Cybersecuritydepthfirst.com
    Jun 12, 2026PRESSTwenty One Zero-Days in FFmpegdepthfirst.com
    May 12, 2026PRESSSupporting critical Open Source with $5M credits for vulnerability detectiondepthfirst.com
    Oct 21, 2025PRESSCasting a Net(ty) for Bugs, and Catching a Big One (CVE-2025-59419)depthfirst.com
    Jan 1, 2023PRESSCompany | depthfirstdepthfirst.com