Latest cybersecurity reporting from selected sources.

Experts Warn of Faster and Higher Volume Attacks, Rising Patient Safety WorriesEmerging powerful AI tools - such as Anthropic's new Claude Mythos - that are capable of autonomously identifying and exploiting software bugs in a flash could reshape the healthcare cyber landscape by accelerating attacks and raising the risk of widespread operational disruption, experts said.

Signature Healthcare EHRs, Patient Portal Offline; Some Cancer Care CancelledA Massachusetts healthcare system is diverting ambulance patients and is operating under downtime procedures as it deals with a cyberattack. The organization has also canceled certain cancer treatments, taken its patient portal offline and is unable to fill prescriptions at its retail pharmacies.

Device Maker Is Still Investigating March 11 Attack Claimed by Iranian HacktivistsMedical tech maker Stryker said it has restored its systems and is operational across its global manufacturing network three weeks after a wiper attack by Iranian hacktivist group Handala led to a worldwide outage at the company. The firm is continuing to investigate the incident.

Medical Device Manufacturer Hack Was Likely OpportunisticAn Iranian cyberattack on medical device maker Stryker's internal IT environment does not appear to affect connected products used by the company's healthcare clients. But an outage of Stryker's electronic ordering system could lead to supply chain issues for its customers.

AI chatbots rank as the number-one health tech hazard in 2026, followed by "digital darkness" and legacy medical device cyber issues, said Rob Schluth and Scott Luney, technology and security experts at patient safety group ECRI Institute, which compiles an annual top 10 list. They explained why.

AI chatbots rank as the number-one health tech hazard in 2026, followed by "digital darkness" and legacy medical device cyber issues, said Rob Schluth and Scott Luney, technology and security experts at patient safety group ECRI Institute, which compiles an annual top 10 list. They explained why.

IT Systems, Radiology Services Taken Offline; Ambulance Patients DivertedA North Central Massachusetts nonprofit healthcare system with two community hospitals, a medical group and several other care facilities has taken its IT network offline and is diverting ambulance patients as it continues to respond to a cyberattack that hit last week.

Catholic Healthcare Organization Took IT Systems Offline in Response to IncidentCovenant Health, a Catholic healthcare organization serving New England and parts of Pennsylvania, is dealing with a cyber incident that has forced the entity to take its IT systems offline, affecting services at several of its facilities. That includes some hospitals and medical testing labs.

Experts Pointing a Finger at Interlock Ransomware Gang for Kettering Health AttackOhio-based Kettering Health is in its second day responding to a cyberattack that's disrupted patient care services and downed its IT systems, including its patient portal and phones. Some cybersecurity insiders say Interlock ransomware is responsible.

IT Outages Are Affecting Patient Services, NC Practice Is 'Temporarily Closed'A small North Carolina radiology practice and a 25-bed Pennsylvania hospital and are among the latest rural healthcare providers struggling to recover from recent cyberattacks that are disrupting their technology operations and affecting patient care services. How will this end up?

Biden-Era Cyber Aid Programs Are Still Available, But Future is UncertainEven though rural hospitals and other small healthcare providers don't have deep pockets, cybercriminals continue to target them with ransomware, often causing serious disruption and compromises affecting large swaths of patients. What can be done to help them strengthen cybersecurity?

So far, medical devices affected in ransomware attacks have mostly been a casualty of IT networks being taken offline. But the potential nightmare scenario is a targeted device attack in which cybercriminals threaten to kill patients, said Dr. Eric Liederman, CEO of consulting firm CyberSolutionsMD.

Ransomware Attack Taught Lessons on Health Sector Resiliency, Vendor RedundancyIt's been one year since hackers attacked IT services provider Change Healthcare, quickly shutting down critical processes for thousands healthcare entities, triggering a data breach affecting 190 million people. So what top lessons are emerging from that massive disruption and data compromise?

IT Outage, Downtime Procedures Affecting Services at California Healthcare ProviderCybercriminals claim they stole 17 million patient records from a southern California regional healthcare provider that is still struggling with IT and phone systems outages that have been disrupting patient care since the organization was hit by a ransomware attack on Dec. 1.

Memorial Hospital and Manor Tapping Its Experience Dealing With Downtime ProceduresA small community hospital and its nursing home in rural Georgia have resorted to paper charts and other manual process for patient care as they deal with a ransomware attack discovered Saturday that knocked its electronic health records and other IT systems offline.

When a large hospital in an urban area is shut down by ransomware, the disruption can be significant, but when a rural hospital faces a similar cyber outage, the impact on patient safety and the community can be extreme, said Nitin Natarajan of the Cybersecurity and Infrastructure Security Agency.

Nearby Texas Tech University Health Sciences Center's IT Systems Also Still OfflineNearly three weeks after a ransomware attack, UMC Health System has restored electronic health records, but the Texas-based public health system is still working to recover other patient care IT systems. Nearby Texas Tech University Health Sciences Center is still dealing with a related outage.

Nearby College's Health Sciences Center Is Also Experiencing an IT OutageUniversity Medical Center, a Lubbock, Texas-based public health system that includes a level-one trauma center and a children's hospital, is diverting ambulances and working to restore an IT outage affecting some patient services in the wake of a ransomware attack late last week.

Patients Still Asked to Bring Paper Records to Appointments Post-Ransomware AttackMcLaren Health Care expects IT disruptions caused by a ransomware attack earlier this month to last through the end of August. While most of McLaren's facilities are open, IT systems across its hospitals, cancer centers and clinics are still affected, including electronic medical record access.

Hospitals Says Restoring the Affected IT Systems Will Take WeeksThe ransomware attack on a key U.K. National Health Service IT vendor has forced two London hospitals to reschedule around 1,500 medical appointments including critical cancer treatments and organ transplant surgeries. The disruption is now in its third week.