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Incident

Columbia River Mental Health Services

Incident posture

Attack window
May 2021
Location
United States of America
Status
Historical
CIA posture
Available to members
Updated
2026-03-09 20:01

Linked entities

Victim
Columbia River Mental Health Services
Threat actors
0 actors
Sources
2 sources

Timeline

Occurred
May 2021
Discovered
Pending
Disclosed
Pending
Resolved
Pending

Summary

Columbia River Mental Health Services experienced unauthorized access to employee email accounts over an extended period, discovered during an investigation into suspicious account activity. The breach potentially exposed protected health information, though the organization could not confirm specific data access. Notification to authorities and affected individuals was delayed beyond typical regulatory timeframes, with the organization reporting impacts to at least 501 patients while still determining final scope. The incident involved compromised email systems but did not disclose specific data types at risk.

Motives

Detailed motive labels are available to members.

1 motive

TTPs

Detailed technique labels are available to members.

2 techniques

Description

Columbia River Mental Health Services (CRMHS) in Washington State experienced a data security breach involving unauthorized access to certain employee email accounts. The breach period spanned from May 14, 2021, to April 8, 2022, though CRMHS did not specify the exact date they initially detected suspicious activity. An investigation confirmed the unauthorized access but could not verify whether threat actors actually viewed or acquired protected health information (PHI) belonging to specific individuals. On July 6, 2022, CRMHS determined PHI was involved in the incident and decided to issue notifications "in an abundance of caution" despite lacking confirmation of data access. The organization reported the breach to the U.S. Department of Health and Human Services (HHS) on August 8, 2022, listing 501 affected individuals—a placeholder figure indicating the final count exceeded 500 but remained undetermined at the time of reporting.

CRMHS had not initiated individual notification letters by August 8, 2022, and provided no details about the types of information exposed within the compromised email accounts. The breach timeline raised questions about detection delays, as the unauthorized activity persisted for nearly 11 months before discovery. Notification timelines also drew scrutiny, as federal regulations typically require reporting to HHS and affected individuals within 60 days of discovery. If CRMHS identified the breach in April 2022, notifications would have been due by June 2022, but the HHS report and public notice occurred in August. The organization’s press release cited an ongoing investigation as the reason for delayed notifications but did not clarify the initial detection method or operational impacts. No additional technical details regarding attacker tactics, containment measures, or system vulnerabilities were disclosed publicly.

Sources

Sources available to members: 2 sources.

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