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Incident

Merritt Healthcare Advisors

Incident posture

Attack window
Jul 2022
Location
United States of America
Status
Historical
CIA posture
Available to members
Updated
2025-10-17 00:00

Linked entities

Victim
Merritt Healthcare Advisors
Threat actors
0 actors
Sources
1 source

Timeline

Occurred
Jul 2022
Discovered
Pending
Disclosed
Pending
Resolved
Pending

Summary

Merritt Healthcare Advisors experienced unauthorized access to an employee email account over a month-long period, compromising sensitive client data including personal and health information. The breach affected over 77,000 individuals and was discovered months later, prompting notifications and offers of credit monitoring and identity theft protection services. The incident was reported to regulatory authorities as required.

Motives

Detailed motive labels are available to members.

1 motive

TTPs

Detailed technique labels are available to members.

1 technique

Description

Merritt Healthcare Advisors, a healthcare advisory firm based in Ridgefield, Connecticut, experienced a data breach involving unauthorized access to a single employee email account. The unauthorized access occurred over a 27-day period between July 30, 2022, and August 25, 2022. The breach was discovered on November 30, 2022, nearly three months after the initial intrusion window closed. The compromised email account contained sensitive data belonging to healthcare clients served by the advisory firm. While the notification did not specify exact data types beyond general references to client information, the scale of affected individuals reported to regulators indicated significant exposure across multiple client organizations.

The incident was reported to the California Attorney General as required by state breach notification laws. Notification letters to affected individuals were issued on February 28, 2023, approximately nine months after the initial unauthorized access period and three months following discovery. The breach was logged on the HHS Office for Civil Rights breach portal as affecting 77,258 individuals, making it a substantial healthcare-related data exposure. In response, Merritt Healthcare Advisors offered complimentary credit monitoring and identity theft protection services to impacted persons. The firm did not disclose technical details regarding the intrusion method, containment measures taken beyond securing the compromised account, or whether forensic analysis determined whether data was exfiltrated versus merely accessed. No information was provided regarding operational disruptions, financial impacts, or regulatory penalties resulting from the incident.

Sources

Sources available to members: 1 source.

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