F5 reported a security incident involving a nation-state threat actor accessing and exfiltrating files from their BIG-IP product development environment in August 2025. They confirmed some BIG-IP source code was taken, but no critical vulnerabilities were disclosed or exploited. F5 is updating their software, engaging cybersecurity experts, and implementing security measures. They advise customers to update systems, enhance monitoring, and utilize available resources to strengthen security. Ongoing efforts aim to improve the overall security posture and regain customer trust.
https://my.f5.com/manage/s/article/K000154696