Ibrahim M. El-sayed is a security engineer, based at Meta's London HQ. Ibrahim focuses on using static analysis for scale security vulnerabilities detection and prevention. He is leading the work to build Facebook static analysis tools Zoncolan and Pysa to analyze more than 100M lines of code and identify critical bugs on scale. Before Facebook, Ibrahim worked for multiple companies and focused on performing penetration tests and red team engagements. Outside work, Ibrahim used to actively play CTFs with LCBC and BalalaikaCr3w.