Form 8-K · Current Report · Filed 2025-10-15
F5, Inc. Announces Cybersecurity Incident and C-suite Reorganization
F5, Inc. disclosed a cybersecurity incident on August 9, 2025, involving unauthorized access by a sophisticated nation-state threat actor to certain company systems, including the BIG-IP product development environment and engineering knowledge management platform. While certain files were exfiltrated, F5 confirmed no evidence of access to critical or remote code vulnerabilities or active exploitation. The company has taken steps to contain the threat and is working with cybersecurity experts and law enforcement. Additionally, Michael Montoya resigned from the Board of Directors on October 9, 2025, and was appointed as Chief Technology Operations Officer, effective October 13, 2025. F5 communicated details of the incident to customers on October 15, 2025.
- Filer
- F5, Inc. FFIV · NASDAQ
- Filed
- Accession
- 0001048695-25-000149
- CIK
- 0001048695
- Signal
- High impactTechnology
- Source
- Official filing on sec.gov ↗
Items reported
Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers
Market reaction
Close before filing
$343.17
Next session
-13.9%
Since filing
+17.3%
Latest close
$402.57
What happened, not what will happen — closing prices around the filing date.
Precedent
Previous filings from FFIV reporting the same item, with the next session's move:
About F5, Inc.
F5, Inc. operates as a provider of multi-cloud application services, focusing on enhancing the performance, security, and availability of applications for enterprise and service provider customers. The company's solutions are designed to optimize network traffic, improve system reliability, and protect against cybersecurity threats. F5, Inc. serves a wide range of industries, including financial services, telecommunications, government, and healthcare, thereby playing a critical role in the digital infrastructure of these sectors. Its products and services allow organizations to implement secure applications across various cloud environments, increasing operational efficiency and scalability. Founded in Seattle, Washington, F5 has established itself as a market leader in application delivery networking technology, continually evolving to address the complexities of managing modern application architectures. Through its strategic focus on cloud-based solutions and security, F5, Inc. supports customers in navigating the challenges of digital transformation by ensuring robust connectivity between applications, data, and users.
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