Latest cybersecurity reporting from selected sources.

Business Associates Tied to 50% of Breach Victims as AI-Aided Attacks LoomVendor incidents and hacks, especially data thefts and ransomware attacks, continue to plague the healthcare sector, accounting for the majority of major data breaches reported so far this year. The advent of AI tools in the hands of bad actors, will only heighten the threats, experts predict.

A China-linked espionage group hid inside North American medical, academic, and military research networks for more than a year, quietly stealing sensitive research and defense email

Recent Hacks Underscore Persistent and Growing Threats to Smaller OrganizationsSmall and mid-sized healthcare organizations - including medical specialty practices and regional clinics - continue to fall victim disproportionately to hacking incidents, including ransomware attacks and data thefts - affecting large populations of patients. Why does this keep happening?

Also, Russian Signal Phishing, Iran-Linked Malware, Breaches in Spain and FranceThis week, Tycoon 2FA, Trio-Tech, messaging app spying and a ransomware broker sentenced. Iran-linked hackers. Mazda disclosed a breach. Oracle patched a flaw. North Korean actors weaponized VS Code, a Spanish port ransomware attack, a French teacher data breach and a healthcare firm victim surge.

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.…

Newcomer 'Insomnia' Appears to Favor US Healthcare-Related EntitiesA new cybercriminal gang, Insomnia, appears to have its eyes wide open for potential healthcare-related targets. Since surfacing on the darkweb in recent weeks, the apparent data theft group has chalked up 18 alleged victims on its data leak site, with more than half having ties to healthcare.

Reported Victim Tally in HCIactive's Health Data Theft Incident SoarsThe victim count in a 2025 hack against a Maryland-based firm that provides "AI-powered" administrative and technology services to healthcare practices soared to nearly 3.1 million nationwide, according to an updated breach report from Healthcare Interactive.

DOJ: Suspects Hit 5 Firms, Including 3 in Healthcare, Netted $1.3M in Ransom MoneyThree former employees of two cybersecurity firms stand accused of using BlackCat ransomware in a conspiracy to extort five U.S. companies, including three in the healthcare sector. One of the victim companies paid nearly $1.3 million to the attackers, U.S. federal prosecutors said.

U.S. prosecutors last week levied criminal hacking charges against 19-year-old U.K. national Thalha Jubair for allegedly being a core member of Scattered Spider, a prolific cybercrime group blamed for extorting at least $115 million in ransom payments from victims. The charges came as Jubair and an alleged co-conspirator appeared in a London court to face accusations of hacking into and extorting several large U.K. retailers, the London transit system, and healthcare providers in the United States.

Bayhealth Medical Center Was Among Cybercrime Group's Many 2024 Healthcare VictimsBayhealth Medical Center in Delaware - an alleged victim of a 2024 hack by the "notorious" and prolific ransomware gang Rhysida that resulted in a breach affecting nearly a half-million people - has agreed to a preliminary settlement in a proposed class action lawsuit stemming from the incident.

UK and US Charge Suspects With Hitting Transport for London, Healthcare, OthersTwo English teenagers have been charged with disrupting London's transport network as part of a Scattered Spider cyberattack. One of the suspects has also been accused by the U.S. of helping to attack 120 other victims, generating $115 million in ransom payments.

Government officials say they are monitoring the situation A major supplier of healthcare equipment to the UK's National Health Service and local councils is on the verge of collapse 16 months after falling victim to cyber criminals.…

Most Compromises Trace to Financial Services, Healthcare, Professional ServicesData breaches rage on. In the first half of this year, the Identity Theft Resource Center counted 1,732 total data breaches affecting 166 million people, marking a rise in data breaches but a decline in victims, likely due to a drop in mega-breaches.

Trend Micro has observed the Bert ransomware group in operation since April 2025, with confirmed victims in sectors including healthcare, technology and event services

Debt Collector's 2024 Data Breach Affected Multiple Hospitals and Medical PracticesThe list of healthcare sector clients reporting large health data breaches from the 2024 hack on debt collection firm Nationwide Recovery Service continues to grow, as does the vast number of affected patients. So far, the hack has affected at least 500,000 patients.

Healthcare Providers Are Among Nationwide Recovery Service Data Breach VictimsA 2024 hacking incident at a debt collection firm has affected a growing list of clients and at least hundreds of thousands of individuals so far, including 210,000 patients of Harbin Clinic in Georgia and nearly 90,000 patients of Texas-based Vitruvian Health, also known as Hamilton Health Care.

Defenses are weaker, and victims are more likely to pay, SANS warns Criminals who attempt to damage critical infrastructure are increasingly targeting the systems that sit between IT and operational tech.…

Biggest threat to America's critical infrastructure? Ransomware Digital scammers and extortionists bilked businesses and individuals in the US out of a "staggering" $16.6 billion last year, according to the FBI — the highest losses recorded since bureau’s Internet Crime Complaint Center (IC3) started tracking them 25 years ago.…

Threat hunters have uncovered a new threat actor named UAT-5918 that has been attacking critical infrastructure entities in Taiwan since at least 2023

Medusa developers have been targeting a wide variety of critical infrastructure sectors, from healthcare and technology to manufacturing and insurance, racking up its victim count as it seemingly adds to its numbers of affiliates.