Seed Cybersecurity companies in San Francisco

RunSybil is an AI-native offensive security platform that autonomously discovers and exploits real-world vulnerabilities across modern applications.Sybil agents interact with systems like expert attackers: interacting with systems dynamically, exploring authentication boundaries, finding and validating vulnerabilities, and surfacing real data exposure.The result is continuous, black-box security testing with real validation: no code access required, 90% fewer false positives, and visibility into the vulnerabilities that actually expose data.

• Seed
• 37 employees
• Founded 2023

You Don’t Need to be an Expert to Hire an ExpertRecruiters' Future: AI-driven tech screenings, ID verification, background checks, and more—no tech team needed.Our Vision:Simplifying Tech Hiring for Global SuccessAt Ezyhire, we are dedicated to transforming the recruitment landscape by empowering organizations to thrive and individuals to flourish. Through our unwavering commitment to integrity, innovation, and empathy, we aim to be the premier partner for employers and recruiters, fostering meaningful relationships built on trust and understanding.Key Features:-Extensive Test Library: Access over 1,000 advanced, pre-made tests backed by statistical evidence to ensure the highest quality assessments.-Diverse Question Bank: Utilize a vast library of more than 100,000 questions covering a wide range of technical and non-technical subjects.-Ezyhire AI Evaluate: Leverage cutting-edge Generative AI technology to assess answers in innovative ways.-Advanced AI-Based Proctoring: Prevent cheating and ensure fairness with sophisticated AI-based proctoring solutions.-Comprehensive ID Verification: Verify candidate identities seamlessly to enhance trust and security in the hiring process.-Thorough Background Checks: Conduct in-depth background checks to ensure the reliability and integrity of potential hires.-Insightful #StaffingTools #AgencyRecruitmentTools #MSPStaffingTools #TalentIntelligence #TalentSolutions #VideoInterviewTools #AutoProctoredAssessments #OneWayInterviewTools #TalentAnalytics #LiveCodingEnabledVideoInterviews #CodingTests #PhoneInterviewTools #FreeRecruitmentTools #CandidateReport #RecruitmemtPlatform #EnterpriseHiringTools #VettedTalentPoolCreation #CompetencyBasedHiringTools #TalentCuration #DE&IRecruitment #UnbiasedStaffingTools #RealWorldAssessments #CustomisedAssessments #ADACompliantStaffingTools #PreBuiltTestLibrary #ContingentStaffingTools

• Seed
• 32 employees
• Founded 2021

Software has entered a new era. APIs turned every enterprise into a platform. Now AI is turning every application into an intelligent agent. Together, they form the nervous system of modern growth, fast, dynamic, and deeply interconnected.But while software has evolved into this living mesh, security has not. Legacy tools remain static perimeters, too noisy to trust, too rigid to scale, too blind to govern what truly matters. The result is familiar: stalled AI pilots, unmonitored API sprawl, compliance reviews that drag on, and incidents that erode margins and trust.Levo exists to change this. We unify API and AI security at runtime, bringing passive detection and inline protection into one fabric. Because we have the broadest and deepest visibility into everything, we detect everything accurately. And because we detect everything with confidence, we can block with confidence, eliminating noise, stopping real risks, and enabling enterprises to govern AI and APIs at scale.For enterprises, that means growth without trade offs secure innovation, fewer breaches, smoother audits, faster adoption, and stronger trust.With Levo, leaders don’t just react to the future of software, they expand it, safely.

• Seed
• 31 employees
• Founded 2021

Akto is the fastest growing AI Security platform for your teams to secure AI agents, MCPs, LLMs, Agent skills, gen AI apps in your organization. Akto's platform helps teams build their Agentic AI Security program through Shadow AI Discovery, AI Governance, AI red teaming, monitoring, and enforcing guardrails on Agents, LLMs, MCPs, Skills, Gen AI apps. 100+ Modern AI Security teams globally trust Akto for:- AI Agent Security- AI Governance- Shadow AI- Guardrails- AI RedteamingAkto is headquartered in San Francisco and backed by leading venture capital firms, including Accel Partners and Alumni Ventures, with angel and advisory from Tenable Founder, Notion Founder, Sentry CEO, Jim Manico, and Synack CTO, among others.Akto has been featured in Forbes, Nasdaq, Dark Reading, Venture Beat, and CSO Online as one of the cybersecurity startups to watch.Akto is a representative vendor in Gartner® Hype Cycle for AI Security and mentioned by Gartner 10+ times in their research in last 12 months.

• Seed
• 29 employees
• Founded 2023

Magnitude provides the world's first autonomous AI workforce to empower TPRM teams, built to defend against Mythos-scale attacks. Its AI risk analysts continuously assess vendors, products, and govern AI agents across your entire supply chain - from direct relationships to Nth-party dependencies - delivering high-confidence risk decisions and remediations using enterprise-specific reasoning that improves over time. Because autonomous offense now operates at machine scale, Magnitude replaces the entire static TPRM model with an autonomous governance and defense system for all external dependencies.

• Seed
• 27 employees
• Founded 2024