Western Digital provides information on network security incident

In a regulatory filing, Western Digital provided information regarding a network security incident involving some of its systems and the company’s active response to this matter. "On March 26, 2023, Western Digital identified a network security incident involving Western Digital’s systems. In connection with the ongoing incident, an unauthorized third party gained access to a number of the Company’s systems. Upon discovery of the incident, the Company implemented incident response efforts and initiated an investigation with the assistance of leading outside security and forensic experts. This investigation is in its early stages and Western Digital is coordinating with law enforcement authorities. The Company is implementing proactive measures to secure its business operations including taking systems and services offline and will continue taking additional steps as appropriate. As part of its remediation efforts, Western Digital is actively working to restore impacted infrastructure and services. Based on the investigation to date, the Company believes the unauthorized party obtained certain data from its systems and is working to understand the nature and scope of that data. While Western Digital is focused on remediating this security incident, it has caused and may continue to cause disruption to parts of the Company’s business operations. The Company will provide updates as appropriate."