City of San Clemente Data Breach

City of San Clemente notified the California Attorney General’s office of a data breach on June 2, 2025. Unfortunately, the notification letter filed with the state was submitted as a scanned image rather than searchable text, so the specific details of what happened, how the incident occurred, and what type of information was involved could not be extracted from the official filing. This is not unusual for government notifications, but it does mean this article can’t tell you more than what is confirmed here: that a breach was reported.

Because the filing doesn’t specify a number of affected individuals or describe the scope of the incident, we can’t say with certainty who was impacted or how many people received a letter. If you received a notification directly from City of San Clemente, that letter is your best source for details specific to your situation, including what data of yours may have been involved and any next steps the city is recommending. Public agency breaches like this one share some similarities with other government-sector incidents, such as the Marin Housing Authority data breach, where residents were left to piece together their own risk based on limited public information.

What information was exposed?
  • The specific data types involved in this breach were not disclosed in the readable portion of the filing.
  • If you received a direct letter from City of San Clemente, check it carefully, as it should list the categories of your information that were affected.
What should you do now?
  • Keep any notification letter you received, and re-read it for specific details on what data was involved and any deadlines mentioned.
  • Watch your financial accounts and any accounts you have with the City of San Clemente for unusual activity, even if you’re not sure exactly what was exposed.
  • Be cautious of unexpected calls, texts, or emails claiming to be from the city or from government agencies asking you to verify personal information.
  • Consider placing a fraud alert or credit freeze with the major credit bureaus if you believe sensitive identifiers like a Social Security number could have been involved.
  • Since the full scope isn’t clear, it’s reasonable to consider signing up for a service like Aura or LifeLock, which can alert you if your information appears elsewhere.
  • Check whether the city has posted an updated notice or FAQ on its official website with more specifics than what was available in this filing.

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