secwatch.observer — SEC 8-K summary ====================================== Issuer: F5, INC. (FFIV) CIK: 0001048695 Form: 8-K Filed at: 2025-10-15T23:59:59+00:00 Accession: 0001048695-25-000149 Event type: cyber Sentiment: negative Materiality: 0.75 Item codes: 1.05, 5.02, 7.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 F5 discloses nation-state cyber breach; BIG-IP source code exfiltrated; director resigns for new role -------------------------------------------------------------------------------- - Nation-state threat actor exfiltrated BIG-IP source code and undisclosed vulnerability details; access since August 2025. - No evidence of active exploitation or software supply chain modification; containment efforts successful. - Configuration or implementation info for a small % of customers exfiltrated; affected customers will be contacted. - Director Michael Montoya resigned from board (no disagreement), appointed Chief Technology Operations Officer, reporting to CEO. - F5 released security updates for BIG-IP, F5OS, BIG-IP Next, BIG-IQ, and APM clients; customers advised to update. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1048695/000104869525000149/0001048695-25-000149-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1048695/000104869525000149/ffiv-20251015.htm HTML page: https://secwatch.observer/filing/0001048695-25-000149 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer