Ibrahim M. El-Sayed is a security engineer at Lacework UK. At Lacework, Ibrahim focuses on building world-class static analysis engines to enable companies to detect and prevent security vulnerabilities at scale. Before Lacework, Ibrahim worked at Meta/Facebook for 7 years. At Meta, Ibrahim focused on WhatsApp 0-click attack surface and was involved in the detection of the popular NSO 0-click vulnerability (CVE-2019-3568). Ibrahim also led the static analysis efforts and was part of tools like Zoncolan and Pysa which were used to analyze more than 100M lines of code and responsible for identifying more than 50% of critical vulnerabilities at Meta.