Hartford HealthCare — Cyber Attacks, Breaches & Threat Activity

Threat entity extracted from intelligence sources

Frequency

2

occurrences

First Seen

June 5, 2026

Last Seen

June 5, 2026

Hartford HealthCare is a organization tracked across 1 threat cluster and 2 intelligence report mentions on ThreatCluster. First observed June 5, 2026; most recent activity June 5, 2026.

Related Threat Clusters

Gainwell Technologies Data Breach Exposes Patient Information of 22,500 Individuals
On March 4, 2026, Gainwell Technologies experienced a data breach when an unauthorized third party accessed Hartford HealthCare payment accounts on the HUSKY provider portal using compromised employee credentials. The…

2 articles · Updated June 5, 2026

Recent Intelligence Reports

Connecticut Department Of Social Services And Gainwell Technologies Notice Of Data Security Incident — portal.ct.gov · June 5, 2026
Gainwell Technologies Data Breach Exposes PHI and PII for 22,500 People — Claimdepot · June 5, 2026

Related Entities

Data Breach Connecticut Department Of Social Services Connecticut State Government DSS Gainwell Technologies Gainwell Technologies LLC United States CWE-200 - Exposure of Sensitive Information CWE-287 - Improper Authentication Healthcare T1041 - Exfiltration Over C2 Channel T1078 - Valid Accounts