BreachCensus

Healthcare Services Group, Inc

HealthcareUnited States of America

SEC EDGAR CIK 0000731012

Healthcare Services Group, Inc is a healthcare organisation in Washington. It appears on the Washington State Attorney General breach-notification register with 1 confirmed incident; the most recent notice was filed on August 25, 2025.

Data as of September 6, 2026.

Sources

Confirmed incident

Filed in WA and DE — Ransomware Attack

The same incident was filed separately with 2 jurisdictions within a few days of each other (WA and DE) — shown here as one incident.

Occurred
September 27, 2024
Disclosed
August 25, 2025

Timeline

  1. August 25, 2025
    Reported to regulator Regulator

    DE AG breach notification: 3,930 Delaware residents affected

    source
  2. August 25, 2025
    Reported to regulator Regulator

    WA AG breach notification: 7,745 Washington residents affected

    source
What a Washington notice means

Required under RCW 19.255.010. Notice to the Attorney General is required when a breach affects more than 500 Washington residents.

Note: the count is Washington residents only, not a total.

Washington breach-notification register ↗

Related

Same sector and location

Disclosed around the same time