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Incident

Oregon Department of Human Services

Incident posture

Attack window
Mar 2020
Location
United States of America
Status
Historical
CIA posture
Available to members
Updated
2025-10-31 00:00

Linked entities

Victim
Oregon Department of Human Services
Threat actors
0 actors
Sources
1 source

Timeline

Occurred
Mar 2020
Discovered
Pending
Disclosed
Pending
Resolved
Pending

Summary

The Oregon Department of Human Services experienced a phishing incident compromising a single employee's email account, potentially exposing clients' private health information to unauthorized individuals. While the agency could not confirm whether personal data was specifically accessed or misused, it proactively notified the public due to the possibility of sensitive information being accessible to malicious actors. The breach underscored critical concerns regarding the security of confidential health records maintained by the organization.

Motives

Detailed motive labels are available to members.

1 motive

TTPs

Detailed technique labels are available to members.

1 technique

Description

On March 6, 2020, the Oregon Department of Human Services (ODHS) identified a phishing incident that compromised a single staff member’s email account. The breach was discovered through internal security protocols, though specific detection methods were not disclosed. ODHS immediately secured the affected email account upon discovery to prevent further unauthorized access. The department initiated an investigation to assess the scope and potential data exposure, engaging unspecified third-party cybersecurity resources to assist. On March 20, 2020—two weeks after detection—ODHS publicly disclosed the incident via a press release, acknowledging that an unauthorized party had gained access to the email system. While the agency could not confirm whether client data was actually exfiltrated or misused, it determined that personal health information was potentially accessible during the breach window. This uncertainty stemmed from the nature of the compromise, which did not provide definitive evidence of data theft or viewing.

The incident exposed sensitive client information entrusted to ODHS, including private health data, though the exact number of affected individuals remained unspecified. In response, ODHS proactively notified the public and offered free credit monitoring services to potentially impacted clients as a precautionary measure. The department reported the breach to law enforcement agencies, though no further details about investigative partners or outcomes were provided. ODHS emphasized its commitment to data security and confidentiality in its communications, acknowledging the critical importance of safeguarding health information. No ransomware deployment, data destruction, or secondary attacks were reported in connection with the phishing incident. The agency’s transparency about the breach despite inconclusive evidence of data misuse reflected its adherence to notification protocols for potential privacy violations.

Sources

Sources available to members: 1 source.

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