
The Covenant Well being group has revised to just about 500,000 the variety of people affected by an information breach found final Could.
The healthcare entity initially reported in July that the information of seven,864 individuals had been uncovered, however additional evaluation has revealed a bigger impression.
After finishing “the majority of its information evaluation,” Covenant Well being now says that 478,188 people had been affected.
Covenant Well being is a Catholic healthcare supplier based mostly in Andover, Massachusetts, working hospitals, nursing and rehabilitation facilities, assisted residing residences, and elder care organizations throughout New England and elements of Pennsylvania.
Qilin ransomware assault
Covenant Well being realized on Could 26, 2025, that an attacker had breached its programs eight days earlier, on Could 18, and gained entry to affected person information.
In late June, the Qilin ransomware group claimed the assault, stating that it had stolen 852 GB of information comprising almost 1.35 million information.

supply: BleepingComputer
The group says the uncovered data could embrace names, addresses, dates of start, medical document numbers, Social Safety numbers, medical health insurance data, and therapy particulars (e.g., diagnoses, dates of therapy, kind of therapy).
In a copy of the discover, Covenant Well being says it engaged third-party forensic specialists to find out what information was affected and what number of people had been impacted.
“That evaluation is ongoing,” the group stated, with out offering a timeline for ending the investigation and its impression. Covenant Well being stated that it has strengthened the safety of its programs, to forestall related incidents sooner or later.
The healthcare entity Covenant Well being is providing affected people 12 months of free id safety providers to assist detect potential misuse of their data.
Starting December 31, the group began mailing information breach notification letters to sufferers whose data could have been compromised within the Could intrusion.


