Harbor Regional Center Data Breach Exposes Client Information
Harbor Developmental Disabilities Foundation, operating as Harbor Regional Center, a Long Beach, CA-based provider of services to individuals with developmental disorders, identified suspicious activity within its…
Key points
- California-based non-profit serving individuals with developmental disorders.
- Unauthorized access to computer network between March 6-7, 2026.
- Suspicious activity detected on or around March 7, 2026.
Connected intelligence
Signal brief
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Organization
- Published
- Mar 7, 2026
- Updated
- Jun 25, 2026
- Confidence
- Medium
- Evidence
- 1 source
Structured assessment
Signal analysis
It helps compare this signal with other published signals without treating the labels as final determinations.
Threat source
Watch internet-facing systems, credential abuse and exploit activity.
Business impact
- Impact area
- Confidentiality
- Likely asset
- User or customer data
Mentioned entities
Quick context
Questions about this signal
What happened in this signal?
Harbor Developmental Disabilities Foundation, operating as Harbor Regional Center, a Long Beach, CA-based provider of services to individuals with developmental disorders, identified suspicious activity within its computer network on or around March 7, 2026. A forensic investigation confirmed unauthorized access to its network between March 6 and March 7, 2026, during which files containing personal information may have been viewed or copied. The organization began mailing breach notices on April 22, 2026.
When was this signal reported?
Shadow Tier lists Mar 7, 2026 as the signal date.
Which organization is connected to this signal?
Harborrc is the organization connected to this public signal.
Explore HarborrcRelated signals
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