Cornerstone Staffing Solutions Reports Data Exposure in Washington

Cornerstone Staffing Solutions, Inc., a company that handles extensive human resources and workforce management, reported a cybersecurity incident to Washington regulators. The filing, dated September 11, 2026, disclosed an unauthorized compromise of its network systems. The specific type of breach was not detailed in the public record.

The breach exposed a critical combination of personal data, including Full Name, Social Security Number, Date of Birth, Wage and Compensation Information, Tax Return Information, Direct Deposit Account Details, Mailing Address, and Phone Number. Due to its business model, Cornerstone Staffing Solutions, Inc. routinely collects and stores a vast quantity of sensitive data to facilitate job placements, background checks, and payroll administration.

Such sensitive data, particularly Social Security Number and Date of Birth, are often targeted by malicious actors for identity theft. The exposure of Wage and Compensation Information, Tax Return Information, and Direct Deposit Account Details also presents direct financial risks, potentially leading to fraudulent tax filings or unauthorized access to bank accounts.

Individuals who receive a breach notification from Cornerstone Staffing Solutions, Inc. should take immediate steps to protect themselves. It is advisable to review financial accounts and statements regularly for any suspicious activity. Consider placing a fraud alert or security freeze on your credit reports with the three major credit bureaus (Equifax, Experian, and TransUnion) to prevent unauthorized accounts from being opened in your name.

Additionally, remain vigilant against phishing attempts via email, phone, or text messages. Be cautious about clicking on unsolicited links or providing personal information to unknown sources. This information is based on public filings submitted to state regulators.