The Cornerstone Staffing Solutions, Inc. Data Breach: Reported Filing Facts

Cornerstone Staffing Solutions, Inc. reported a data breach to the California Attorney General on September 14, 2026. Notification letters were sent to affected individuals.

State: California
Breach date: September 1, 2026
Reported: September 14, 2026

What may have been exposed

Personally identifiable information

Source: California Attorney General filing

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