Hagens Berman Scrutinizing F5 (FFIV) Over Alleged Long-Term Undetected Hack and Nation State Infiltration
F5F5(US:FFIV) Prnewswire·2026-02-09 13:40

Core Viewpoint - Hagens Berman is investigating claims against F5, Inc. regarding misleading statements about the security of its BIG-IP products, following a significant cybersecurity breach that resulted in substantial financial losses for investors [2][6]. Group 1: Allegations and Impact - The lawsuit alleges that F5 executives misled the market about the security of its products, claiming a comprehensive security platform while a nation-state actor had long-term access to its systems [2][6]. - The breach led to a revenue guidance cut in 2026, causing a market value loss exceeding $2 billion [2]. - Following the breach disclosure on October 15, 2025, F5 shares dropped nearly 14% over two trading days [6]. Group 2: Financial Performance and Outlook - F5's 4Q FY25 results released on October 27, 2025, were disappointing, with growth expectations for fiscal 2026 significantly lowered due to the security breach [6]. - The company announced reductions in sales and renewals, elongated sales cycles, and increased expenses for remediation efforts, impacting its highest revenue product, BIG-IP [6]. - The stock price fell by $22.83 (-7%) the day after the earnings report, leading to analyst downgrades [6]. Group 3: Legal Proceedings - The lead plaintiff deadline for the securities class action is set for February 17, 2026, with the class period defined from October 28, 2024, to October 27, 2025 [4][6]. - The core allegation centers on the undisclosed breach of BIG-IP source code, which is critical to F5's operations [4].