Latest cybersecurity reporting from selected sources.

2023 LockBit Attack Affected Nearly 9M People, Including ChildrenMCNA Dental, one of the largest providers of U.S. government-sponsored dental benefits to children, has agreed to a proposed multimillion dollar settlement to resolve class action claims stemming from a 2023 LockBit ransomware attack and data theft that affected nearly 9 million people.

The Iranian state-sponsored hacking group known as MuddyWater (aka Mango Sandstorm, Seedworm, and Static Kitten) has been attributed to a ransomware attack in what has been described as a "false flag" operation

Trio-Tech International initially said hack wasn't 'material,' but then stolen data was published Trio-Tech International initially shrugged off a ransomware attack at a Singapore subsidiary as immaterial, only to reverse course days later after discovering stolen data had been disclosed.…

Ransomware Gang Everest Claims It Has Leaked All Stolen DataA revenue cycle management software firm is notifying an undisclosed number of patients of several medical diagnostic labs that their sensitive information, including diagnoses and treatments, was stolen in a November hack. Ransomware gang Everest Group claims it has leaked all the data.

Ransomware Gang Money Message Claimed It Exfiltrated 4.7TB of Firm's DataPharmacy services firm PharMerica will pay at least $5.27 million - plus millions more on enhancing its security - as part of a preliminary class action settlement approved this week by a federal court involving a 2023 data theft incident the company reported as affecting 5.8 million individuals.

Ransomware Gang Qilin Had Claimed It Stole 852 GB of Health System's DataNearly half a million patients of a Catholic healthcare network that serves New England and parts of Pennsylvania began the new year by receiving notifications that hackers may have stolen their health information in a May 2025 hacking incident.

Class Members Can Claim Up to $5K Each for Documented Losses Tied to BreachA small, rural county-owned Georgia community hospital has agreed to settle consolidated class action litigation involving a 2024 hacking incident in which ransomware gang Embargo claimed to have stolen 1.15 terabytes of the organization's data and leaked it on the darkweb.

Barts Health NHS Trust has announced that Clop ransomware actors have stolen files from a database by exploiting a vulnerability in its Oracle E-business Suite software. [...]

2022 Ransomware Attack, Data Theft Affected 3.4 Million PatientsA California-based network of nine affiliated physician practices will pay nearly $50 million to settle consolidated class action litigation involving a 2022 ransomware and data theft attack that affected more than 3.4 million patients. Plaintiffs claimed their data was leaked on the darkweb.

The FBI has seized last night all domains for the BreachForums hacking forum operated by the ShinyHunters group mostly as a portal for leaking corporate data stolen in attacks from ransomware and extortion gangs. [...]

AI-powered ransomware, extortion chatbots, vibe hacking … just wait until agents replace affiliates It's no secret that AI tools make it easier for cybercriminals to steal sensitive data and then extort victim organizations. But two recent developments illustrate exactly how much LLMs lower the bar for ransomware and other financially motivated cybercrime — and provide a glimpse to defenders about what's on the horizon.…

Stolen DaVita Data Leaked on Dark Web by Ransomware Gang InterlockMonths after cybercriminal gang Interlock claimed to have stolen more than 1.5 terabytes of patient data from kidney dialysis chain DaVita, the company told federal regulators that the cyberattack first disclosed in April has affected nearly 2.7 million people.

Support Portals Offline as Ransomware Gang Claims It Stolen DataBritish-based multinational telecom Colt Technology Services said a "cyber incident" is responsible for days-long disruptions to its customer portal and support services. The WarLock ransomware operation took responsibility for the hack, asserting it stole "1 million documents."

Hacking Group UNC6148 Steals Credentials With New OVERSTEP Rootkit, Google SaysA cybercrime group used a backdoor in a fully patched SonicWall appliance to steal credentials and may have sold the stolen data to ransomware groups as part of an ongoing campaign, Google Threat Intelligence Group found. The firm attributed the campaign to a cybercrime group it tracks as UNC6148.

Did Marlboro-Chesterfield Pathology Pay Cybercrime Gang Safepay a Ransom?A North Carolina pathology practice is notifying nearly 236,000 patients of a hacking incident discovered in January. Marlboro-Chesterfield Pathology says it "took steps" to ensure the hackers deleted its stolen data. Newcomer ransomware group Safepay is apparently the culprit in the attack.

Financially Strapped Cloud Services Firm Settles Suit From 2020 Patient Data HackA financially strapped cloud services vendor that experienced a 2020 ransomware attack affecting dozens of healthcare sector clients and hundreds of thousands of patients has agreed to a $1.9 million settlement in proposed class action litigation involving the data theft case.

Ransomware Gang Qilin Claims to Have 42GB of Practice's Stolen DataRansomware group Qilin posted at least 42 gigabytes of data stolen from a Texas pediatric orthopedic practice for sale on its darkweb leak site in February. In recent days, Central Texas Pediatric Orthopedics began notifying more than 140,000 people that their data was compromised by hackers.

Ransomware Group Embargo Claims to Have Published 1.15TB of Hospital's Stolen DataA rural Georgia hospital and its nursing home are among several other regional healthcare entities notifying tens of thousands of patients that their information was compromised in recent hacks. Ransomware gang Embargo claims to have published 1.15 terabytes of stolen data in one of those incidents.

Data Theft Incident Also Disrupted IT Systems for Nearly a MonthRichmond University Medical Center, a 440-bed teaching hospital on Staten Island, N.Y, is notifying 674,000 people of a data theft that happened 18 months ago. The breach was part of a ransomware attack that disrupted the organization's IT systems for several weeks in spring 2023.

Missouri-Based Hospital Chain Initially Reported That Attack Affected Only 500Seven months after a ransomware disrupted its IT systems for weeks, Catholic hospital chain Ascension Health is now notifying nearly 5.6 million current and former patients and employees that the incident - which also involved data theft - potentially compromised their information.