Cybersecurity

Ann Arbor-based Michigan Medicine is notifying more than 1,000 people that some of their health information may have been exposed after a research study mailed postcards without envelopes. The postcards, sent June 27 to recruit participants for the study, contained…

While ransomware attacks are decreasing overall in 2025, that is not the case in healthcare, Techloy reported. Public ransomware victim listings on dark web leak sites declined nearly 30% in the first quarter of the year compared to Q2, from…

Federal agencies have disrupted the operations of a ransomware group that was targeting critical industries, including healthcare. In cooperation with international partners, U.S. law enforcement seized servers, domains and digital assets employed by the BlackSuit ransomware gang to hack victims…

A ransomware group known as Embargo has extorted millions of dollars from victims in the U.S., including hospitals, according to research from blockchain intelligence firm TRM Labs. Here are six things to know from TRM Labs’ report:

Two individuals have pleaded guilty to a multi-year fraud scheme that used data stolen from hospital patients to file false claims for pandemic-related relief funds. Wilkins Estrella, 40, a former business clerk at a Bronx hospital, and Charlene Marte, 31,…

U.S. Sens. Bill Cassidy (R-La.) and Maggie Hassan (D-N.H.) are demanding answers from UnitedHealth Group following another cyberattack on one of the company’s subsidiaries. Here are six things to know:

Cookeville (Tenn.) Regional Medical Center’s computer systems have been disrupted by a network security incident. The hospital announced the incident on its website, stating that its information system security team is working “around the clock to restore the affected systems…

Change Healthcare has increased the number of people estimated to be affected by a 2024 cyberattack to nearly 193 million. The UnitedHealth Group claims processing subsidiary revealed the number, a few million more than its last estimate, in a letter…

Healthcare had the most expensive data breaches for the 15th consecutive year, according to a new IBM report. Here are five things to know from the July 30 study that analyzed 600 breaches globally between March 2024 and February 2025:…

Lewiston, Maine-based Central Maine Healthcare is notifying patients of a data breach that may have compromised sensitive personal and medical information. The health system detected unusual activity in its information technology network on June 1 and launched an investigation. The…