Cornerstone Care Center Files Data Breach Report in California

Sanger Skilled Care, LLC, known as Cornerstone Care Center, has publicly reported a data breach incident in California. The healthcare provider, which specializes in long-term nursing and rehabilitative services, filed notice of the security event with the California Attorney General on May 7, 2026.

The specific categories of personal information affected by this breach were not detailed in the public filing. However, the company has stated that it maintains sensitive patient records, which typically include various personal identifiers and health-related information necessary for its operations. Individuals who received a notification letter from Cornerstone Care Center should refer to that document for information specific to their data.

The breach event itself occurred on April 7, 2026, according to the official report. At present, the investigation into the incident is ongoing. Cornerstone Care Center has begun sending formal data breach notification letters to all potentially affected individuals to inform them of the security event.

For those concerned about their information, general protective steps include closely monitoring account statements and reviewing credit reports for any unusual activity. It is also wise to be cautious of unsolicited communications, such as emails or phone calls, that request personal details. Placing a fraud alert with credit bureaus can add an extra layer of security.

This information is based on public disclosures filed with the California Attorney General's office. This site serves as a neutral registry of verified data breach filings, providing factual summaries from official sources. We recommend always reviewing official breach notices sent directly by the affected entity for personalized guidance.