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Case File: Harbor Developmental Disabilities Foundation (d/b/a Harbor Regional Center) Data Breach

This file collects the dated facts on record for the Harbor Developmental Disabilities Foundation (d/b/a Harbor Regional Center) incident. The state report is dated May 28, 2026. The incident itself is dated March 6, 2026.

Timeline

83 days separate the incident date from the date it was reported.

  1. March 6, 2026Incident dateWhen the filing says the breach took place.
  2. May 28, 2026Report filed in CaliforniaDate the notice was lodged with the California Attorney General.

Case facts

Filing state
California
Date reported
May 28, 2026
Incident date
March 6, 2026
Receiving office
California Attorney General

Case notes

Harbor Developmental Disabilities Foundation, doing business as Harbor Regional Center, has confirmed a data security incident stemming from unauthorized access to its systems. The incident was identified as occurring on March 6, 2026, and was subsequently reported to the California Attorney General on May 28, 2026.

The organization, which provides critical support and advocacy for individuals with developmental disabilities in California, stated that an ongoing investigation is underway to understand the full scope of the breach.

While the specific categories of data involved have not been detailed in public filings, the nature of Harbor Regional Center's services means it manages extensive personal information. Individuals who received a direct notification letter regarding this incident are advised to review that communication closely for information pertinent to their situation.

It is generally recommended to remain vigilant for any unusual activity across your accounts if you believe your personal information may have been compromised. Regularly review statements from financial institutions and healthcare providers for discrepancies or unauthorized transactions.

Consider enrolling in credit monitoring services if offered, and be cautious of unsolicited communications that request personal details. Changing passwords for online accounts to strong, unique combinations can also enhance security.

This incident highlights the importance of organizations maintaining robust cybersecurity measures to protect sensitive data entrusted to them. Affected individuals should follow the guidance provided in their official notification.

Questions about this case file

Where does the Harbor Developmental Disabilities Foundation (d/b/a Harbor Regional Center) case file come from?
Every entry is taken from the breach report Harbor Developmental Disabilities Foundation (d/b/a Harbor Regional Center) lodged with the California Attorney General. Nothing here is estimated.
Why do the incident date and the report date differ?
Companies usually investigate before they report. The gap between the two dates shows how long that took.
What does the records-affected figure count?
It is the number the company gave the state. It can cover residents of that state only, so the national total may be higher.
Does this case file change over time?
Yes. When a company files an update or a new state publishes its copy of the report, the dates and counts here are refreshed.

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