Medical Eye Services, Inc.

Blue Shield of California notified members that a contracted vendor managing vision benefits was compromised in the global MOVEit data security incident. An unauthorized third party exploited an unknown vulnerability in the MOVEit server to exfiltrate information on May 28 and May 31, 2023. The vendor discovered the breach on August 23, 2023. Affected data may include member eligibility, authorized third parties, and vision claims processing information. Blue Shield is offering complimentary credit monitoring and identity restoration services through Kroll.