HHS OCR report · 2021
SEIU 775 Benefits Group data breach
OCR report facts
- Covered entity
- SEIU 775 Benefits Group
- Entity type
- Business Associate
- State
- Washington
- Individuals affected
- 140,000
- Submission date
- May 27, 2021
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Network Server
- Business associate present
- Yes
- Status
- Archive (closed)
OCR description
The covered entity (CE), SEIU 775 Benefits Group, reported that it experienced a cyber-attack that compromised the protected health information (PHI) of 140,000 individuals. The PHI involved included names, addresses, and Social Security numbers. The CE notified HHS, affected individuals, the media, and provided substitute notice. Following the breach incident and OCR’s investigation, the CE implemented new administrative and technical safeguards.
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the SEIU 775 Benefits Group data breach?
The report to HHS OCR lists 140,000 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on May 27, 2021.
What type of breach was it?
The OCR portal lists the type of breach as Hacking/IT Incident, with the breached information located in: Network Server.
Is the investigation still open?
No. The report is in the OCR portal archive, which holds reports where OCR has closed its review.
Is a breach notice letter from SEIU 775 Benefits Group legitimate?
This site cannot verify letters. Check the sender against the organisation's official website and the HHS OCR breach portal, and avoid calling numbers or clicking links only listed in an unexpected message. See our guide on what to do after a data breach notice.
Source: HHS OCR Breach Portal, OCR export October 2026. Network USA is not affiliated with HHS or SEIU 775 Benefits Group.