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BreachRecord

Harbor Developmental Disabilities Foundation (d/b/a Harbor Regional Center) Data Breach (April 2026): What Was Exposed and What To Do

Last updated Oct 22, 2026 · Based on 4 official filings · See sources

According to the breach report filed with the U.S. Department of Health and Human Services, Office for Civil Rights on Apr 22, 2026, Harbor Developmental Disabilities Foundation (d/b/a Harbor Regional Center) reported a data breach. It was also reported to the California Attorney General. People affected: 2,287 people (official total in the U.S. Department of Health and Human Services, Office for Civil Rights filing, filed Apr 22, 2026).

Key facts

From 4 official filings
Organization
Harbor Developmental Disabilities Foundation (d/b/a Harbor Regional Center)
Source: U.S. Department of Health and Human Services, Office for Civil Rights, filed Apr 22, 2026
People affected
2,287
Official total in the U.S. Department of Health and Human Services, Office for Civil Rights filing, filed Apr 22, 2026
Source: U.S. Department of Health and Human Services, Office for Civil Rights, filed Apr 22, 2026
Incident dates
Mar 6, 2026 – Mar 7, 2026
Source: California Attorney General, filed Apr 22, 2026
Discovered Mar 7, 2026
Source: notice letter in the California Attorney General filing of May 28, 2026
Notice dates
Letters dated May 28, 2026
Source: notice letter in the California Attorney General filing of May 28, 2026
First filed Apr 22, 2026; latest filing Jul 13, 2026
Information exposed
  • Medical information
Source: HHS, Apr 22, 2026
Filed with
Free credit monitoring
Offered: 12 months through Cyberscout
Source: notice letter in the California Attorney General filing of Jul 13, 2026

What to do now

Steps chosen from the information listed in the official filings. Your own letter may list more.

  1. Harbor Developmental Disabilities Foundation (d/b/a Harbor Regional Center) offered free credit monitoring for 12 months through Cyberscout. Use the enrollment code printed in your letter. Never share that code with anyone who contacts you.

    Source: notice letter in the California Attorney General filing of Jul 13, 2026

  2. Check the Explanation of Benefits (EOB) statements from your insurer for visits, prescriptions or claims you do not recognize, and contact your insurer about anything unfamiliar.

  3. Scammers often contact people after a breach, pretending to be the organization, a bank or a government agency. Do not give your Social Security number, passwords or codes to anyone who contacts you first.

  4. You can get free credit reports from all three bureaus at AnnualCreditReport.com, the official site.

  5. The Federal Trade Commission's IdentityTheft.gov gives you a personal recovery plan.

Is the letter real?

The agency published an official copy of the notice. Compare your letter with it:

The notice letter filed with the California Attorney General on Jul 13, 2026 lists this phone number for questions: 1-800-405-6108. If the number in your letter is different, call the number in the official copy instead.

Source: notice letter in the California Attorney General filing of Jul 13, 2026

Never give your Social Security number, bank details or passwords to someone who contacts you first.

Timeline

  1. Incident began (earliest date reported) source
  2. Incident ended (latest date reported) source
  3. Organization discovered the incident source
  4. Reported to HHS and California AG source
  5. Notice letters dated source
  6. Notice letters dated source
  7. Latest filing, with California AG source

Sources

  1. U.S. Department of Health and Human Services, Office for Civil Rights Breach report filed Apr 22, 2026
    Filed as “Harbor Developmental Disabilities Foundation (d/b/a Harbor Regional Center)” · total 2,287
    The link opens the agency's list; search it for the organization name.
  2. California Attorney General Notice filed Apr 22, 2026
    Filed as “Harbor Developmental Disabilities Foundation (d/b/a Harbor Regional Center)”
  3. California Attorney General Notice filed May 28, 2026
    Filed as “Harbor Developmental Disabilities Foundation (d/b/a Harbor Regional Center)” · Official copy of the letter
  4. California Attorney General Notice filed Jul 13, 2026
    Filed as “Harbor Developmental Disabilities Foundation (d/b/a Harbor Regional Center)” · Official copy of the letter

Last updated Oct 22, 2026. Our summaries are written in our own words from the official filings above. Spotted an error? Report a correction.