Petra Security

Co-Invested with: Y Combinator

Petra Security is a specialized cybersecurity platform providing best-in-class Identity Threat Detection and Response (ITDR) specifically built for Managed Service Providers (MSPs). Designed to protect Microsoft 365 environments, Petra focuses on rapidly detecting and stopping complex threats such as Business Email Compromise (BEC) and token theft. The platform is engineered to deliver high-speed, accurate incident response and forensics, helping MSPs reduce alert fatigue, minimize manual workload, and provide enhanced security visibility for their clients.

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Cooper Edmunds

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Adithya Vellal

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Nathan Ostrowski

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