Cornerstone Staffing Solutions, Inc. data breach
Cornerstone Staffing Solutions, Inc. reported a data breach to the Washington State Attorney General in 2026, affecting 681 individuals.
| Organization | Cornerstone Staffing Solutions, Inc. |
| Reporting authority | WA AG |
| State | WA |
| Individuals affected | 681 |
| Date reported | 2026-09-11 |
| Type of breach | Not specified |
| Status | Reported |
Breach date(s): 11/06/2025 | Compromised: Name; Social Security Number; Driver's License or Washington ID Card Number; Financial & Banking Information; Full Date of Birth; Military ID Number; Passport Number; Health Insurance Policy or ID Number; Medical Information; Username and Password/Security Question Answers; Other
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