Latest cybersecurity reporting from selected sources.

Medtronic says a ShinyHunters attack exposed the personal and medical data of over 3.8 million people. Products and operations were unaffected. Medtronic is notifying 3,834,294 individuals after a cyberattack by the ShinyHunters extortion group exposed personal and medical information. In April 2026, Medtronic confirmed a cyberattack on its corporate IT systems after the hacker group ShinyHunters claimed […]

New ransomware of choice, same critical targets North Korea’s Lazarus Group appears to have added another tool to its kit. It has begun using Medusa ransomware in extortion attacks targeting at least one US healthcare organization and an unnamed victim in the Middle East, according to Symantec and Carbon Black threat hunters.…

Report: Lazarus Group Pivoting to Medusa Ransomware for Extortion AttacksNorth Korean-state backed Lazarus Group hackers are using Medusa ransomware in extortion attacks on U.S. healthcare entities despite a 2024 U.S. indictment of Rim Jong Hyok, an alleged member of the Lazarus subgroup Stonefly, according to a new threat intelligence report.

North Korean state-backed hackers associated with the Lazarus threat group are targeting U.S. healthcare organizations in extortion attacks using the Medusa ransomware. [...]

More Than 100,000 Affected by Hack Detected on Dec. 30The New Zealand government is probing a year-end ransomware hack of private healthcare service provider Manage My Health that impacted thousands of patients. Digital extortion group Kazu has claimed responsibility and threatened to leak the data on Jan. 15 unless it receives a $60,000 ransom.

Cybercrime crew has ravaged multiple private organizations using Oracle EBS zero-day for months The UK's National Health Service (NHS) is investigating claims of a cyberattack by extortion crew Clop.…

Anthropic on Wednesday revealed that it disrupted a sophisticated operation that weaponized its artificial intelligence (AI)-powered chatbot Claude to conduct large-scale theft and extortion of personal data in July 2025

Healthcare Providers Are Among Dozens of Entities Hit Since Gang Emerged in 2024U.S. authorities are warning of threats posed by double-extortion gang Interlock, which has been hitting an assortment of businesses across many industries, including healthcare and other critical infrastructure sectors, with a ransomware variant first seen in September 2024.

The group has previously threatened to SWAT cancer patients and leaked pre-op plastic surgery photos An extortion gang claims to have breached Freedman HealthCare, a data and analytics firm whose customers include state agencies, health providers, and insurance companies, and is threatening to dump tens of thousands of sensitive files early Tuesday morning.…

Group's Advisory Follows an Updated Joint Alert from US, Australian AgenciesThe American Hospital Association is warning hospitals and other healthcare sector organizations of rising double-extortion attack threats involving the Play ransomware group. The AHA alert follows an updated joint government advisory issued last week about Play's latest tactics.

Some Patients Threatened Directly by Hackers; Center to Spend $13.5M on SecurityA Seattle cancer center has agreed to pay $11.5 million to settle a proposed class action lawsuit involving a 2023 double-extortion ransomware attack that affected 2.1 million people, with some patients directly threatened by hackers with swatting attacks if they didn't pay a ransom.

Alabama Ophthalmology Practice, California Dental Clinic Report BreachesCybercriminal gang BianLian claims to have stolen patient information in two recent hacks of an Alabama-based ophthalmology practice and a California dental clinic. The two incidents affected nearly 150,000 people and are among the extortion group's latest attacks on the healthcare sector.

Robert Purbeck, a 45-year-old man from Idaho, has been sentenced to ten years in prison for hacking at least 19 organizations in the United States, stealing the personal data of more than 132,000 people, and multiple extortion attempts. [...]

Georgia-Based Memorial Hospital and Manor Among Embargo Group's Latest VictimsEmbargo, a newcomer group to the ransomware scene, is threatening to begin publishing 1.15 terabytes of data belonging to a small rural Georgia hospital and nursing home attacked last week unless a ransom is paid before Tuesday. Experts say the double extortion gang disables victims' security tools.

Interlock employs both “big-game hunting” and double extortion tactics against its victims

As if hospitals and clinics didn't have enough to worry about At least one US healthcare provider has been infected by Trinity, an emerging cybercrime gang with eponymous ransomware that uses double extortion and other "sophisticated" tactics that make it a "significant threat," according to the feds.…

As healthcare organizations struggle against operational issues, two-thirds of the industry suffered ransomware attacks in the past year, and an increasing number are caving to extortion and paying up.

Gang Hits Victims with 'Sophisticated' Exfiltration, Encryption Extortion AttacksHealth sector entities have yet another ransomware group to worry about, warn U.S. federal authorities. Trinity, a relatively new sophisticated threat actor, is hitting a variety of critical industries, including healthcare, said the Department of Health and Human Services in an advisory.

An analysis of a nascent ransomware strain called RansomHub has revealed it to be an updated and rebranded version of Knight ransomware, itself an evolution of another ransomware known as Cyclops

The Hôpital de Cannes - Simone Veil (CHC-SV) in France announced it received a ransom demand from the Lockbit 3.0 ransomware gang, saying they refuse to pay the ransom. [...]