City of Foster City Discloses Data Breach Affecting Personal Information

The City of Foster City, a municipal government entity in California, has officially confirmed a data breach stemming from unauthorized access to its systems. The incident, which occurred on February 28, 2026, was formally reported to regulators on July 13, 2026, as part of its obligation to inform affected individuals.

While the public filing from the City of Foster City acknowledges unauthorized system access, the specific categories of personal information involved in this incident have not been detailed. The City's notice indicates that if you received a letter, your personal information may have been among the data compromised.

Receiving a notification letter from the City of Foster City means your data was potentially exposed during this security event. The City has indicated that an investigation into the scope and impact of the breach is currently ongoing to understand the full extent of the incident.

Individuals who have been notified should carefully review the information provided in their letter. It is generally advisable to remain vigilant for any unusual activity across your accounts and to monitor financial statements for unauthorized transactions. Regularly checking your credit reports can also help identify any fraudulent activity.

Consider implementing stronger, unique passwords for all online accounts and enabling multi-factor authentication wherever possible. Be cautious of unsolicited emails, texts, or calls that request personal information, as these could be phishing attempts. These general steps can help safeguard your information after a security incident.

This information is based solely on the public filing made by the City of Foster City with regulatory bodies, providing a factual overview of the reported data breach.