F5 Inc. (FFIV) Shares Drop 5% Following Disclosure of Nation-State Cyberattack
F5 Inc. (FFIV) shares fell sharply after the cybersecurity firm revealed a sophisticated cyberattack attributed to a nation-state threat actor. The breach, discovered on August 9, 2025, involved prolonged access to internal systems, including development and engineering segments. Critical assets such as portions of the BIG-IP source code and undisclosed security vulnerabilities were compromised.
The company collaborated with CrowdStrike (CRWD) and Mandiant to contain the threat, releasing necessary patches and reporting no further malicious activity. A delayed disclosure, sanctioned by the U.S. Department of Justice, underscored national security concerns.