F5 Data Breach: Nation-State Attackers Stole BIG-IP Source Code

F5 Networks confirmed a major data breach on October 16, 2025, attributed to a nation-state actor. Attackers infiltrated internal systems, stealing BIG-IP source code, sensitive customer data, and vulnerability details. CISA has since issued an emergency directive urging federal agencies to review access and disable affected configurations. The incident impacts multiple U.S. and EMEA customers, with risks of follow-up exploitation targeting unpatched devices.

📂 Data Breach

F5 Data Breach – Nation-State Attackers Stole BIG-IP Source Code