In March 2019, Sharecare Health Data Services (SHDS) revealed that a data breach compromised the information of the patients of AltaMed Health Services Corporation and Blue Shield of California. The compromised data included patient names, addresses, dates of birth, unique identification numbers, and medical record numbers. No Social Security numbers, clinical medical information, or credit card data was compromised.
On December 31, 2018, SHDS informed AltaMed and Blue Shield that it initially detected suspicious activity in its network on June 22, 2018, and further investigations revealed that an unauthorized third-party gained access to its network as early as May 21, 2018. Around 18,000 Blue Shield and nearly 5,800 AltaMed members' records were affected in this breach. As soon as it was discovered, SHDS hired a forensics team to prevent further unauthorized access and took measures to implement strong security policies.
Both Blue Shield and AltaMed have notified their affected members regarding the breach. Besides that, Blue Shield has also reported the breach to the Centers for Medicare and Medicaid Services, the Department of Health and Human Services Office for Civil Rights, and the California Attorney General’s office. SHDS is offering a year's worth of free credit monitoring services to all the affected members.
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