RunSybil vs Malwarebytes
Side-by-side comparison of AI visibility scores, market position, and capabilities
AI cybersecurity automating pen testing. $40M raised (Mar 2026, Khosla). Founded by OpenAI's first security hire and Meta red team lead. Backed by Anthropic.
About
RunSybil is a cybersecurity company automating penetration testing using AI, founded by two operators with exceptional offensive security credentials: OpenAI's first security hire and a former lead of Meta's red team. This founding pedigree is central to RunSybil's positioning — the company was built by practitioners who understand adversarial tradecraft at the highest level and designed the platform around the workflows and depth that real penetration testers employ, rather than retrofitting AI onto legacy vulnerability scanning approaches.\n\nTraditional penetration testing is expensive, slow, and point-in-time: organizations typically conduct manual pen tests annually or quarterly, leaving long windows of unassessed exposure between engagements. RunSybil's AI-driven platform enables continuous, automated penetration testing that mimics the creative, multi-step attack chains that skilled human testers would pursue — covering web applications, APIs, network infrastructure, and cloud environments with an aggressiveness and comprehensiveness that scheduled manual testing cannot match at scale or cost.\n\nThe company raised $40 million in March 2026 from Khosla Ventures, one of Silicon Valley's most prominent deep technology investors, reflecting strong conviction in both the market opportunity and the team's ability to execute. RunSybil enters the market at a moment when organizations face escalating cyberattack frequency and sophistication while security budgets remain under pressure to demonstrate measurable risk reduction. Automated offensive security testing is emerging as a critical capability for security teams that need to find and fix vulnerabilities at the speed attackers discover and exploit them.
Malwarebytes is an endpoint protection platform offering malware detection, remediation, and EDR for consumers, SMBs, and enterprises across Windows, Mac, and mobile.
About
Malwarebytes is a cybersecurity company headquartered in Santa Clara, California that provides endpoint protection, detection, and response software to consumers, small and midsize businesses, and enterprises. Founded in 2008, Malwarebytes originally built its reputation as a best-in-class malware remediation tool used to clean up infections that traditional antivirus software had missed — a positioning that grew a massive consumer user base and established the brand as a trusted remediation authority. The company subsequently expanded its product line from a standalone remediation utility to a full endpoint protection platform capable of replacing traditional antivirus, and has extended into EDR, DNS filtering, and incident response capabilities for business customers who need more than reactive cleanup.
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