Latest cybersecurity reporting from selected sources.

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

Incident Responders Detail Top Ransomware and Business Email Compromise TacticsThere's no need to invest into sophisticated hacking operations when moving fast and exploiting well-trod techniques gives threat actors all the access they want. Threat actors are prioritizing "low-complexity entry points, rather than investing in sophisticated exploits," say incident responders.

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.

University of Hawaii Cancer Center Paid RansomCancer patients who participated in University of Hawaii Cancer Center studies during the 1990s may soon receive a notification that ransomware hackers stole their data in an August 2025 incident. Experts said the hack spotlights concerning risks involving compromises of medical research data.

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.

Three former employees of cybersecurity incident response companies DigitalMint and Sygnia have been indicted for allegedly hacking the networks of five U.S. companies in BlackCat (ALPHV) ransomware attacks between May 2023 and November 2023. [...]

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.

Major European Airports Continue to Face Service Disruptions Following Friday HackEuropean cyber defenders classified as a ransomware attack an incident that disrupted several major European airports including London Heathrow resulting in flight cancelations and delays over the weekend and Monday.

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."

Michigan-Based Group Breached in Ransomware Attack for Second Time in Two YearsMcLaren Health has begun notifying more than 743,000 people affected by a ransomware attack last summer. The incident, carried out by cybercriminal gang Inc Ransom, is McLaren's second major health data breach from a ransomware attack in two years.

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.

Retailer Continues to Recover From Ransomware IncidentBritish retailer Marks & Spencer was reportedly targeted by financial crime group Scattered Spider, who deployed ransomware on the company's VMware ESXi server. The retailer continues to recover from a cyber incident that disrupted operations in its online and offline stores.

Lawsuits Allege Cybercrime Gang Medusa Stole Data of 132,000 PeopleAn Arizona-based medical imaging practice with locations in 11 states is notifying patients that their data was compromised in a January cyberattack. Litigation filed against the company allege ransomware gang Medusa stole sensitive data pertaining to at least 132,000 people in the incident.

Enzo Biochem Previously Paid Three States $4.5M in Fines for Same BreachBiotech firm Enzo Biochem has agreed to pay $7.5 million to settle a consolidated proposed class action lawsuit involving a 2023 ransomware attack affecting 2.5 million people. The company has already paid $4.5 million in fines to three state attorneys general for the same incident.

Attack on Blood Center Spotlights Ongoing Supply Chain Risk in Healthcare SectorSix months after a ransomware attack temporarily crippled its blood donation and distribution activities, Florida-based nonprofit OneBlood is reporting a data breach to regulators that affected donors' personal information. Why is the incident reawakening healthcare supply chain concerns?

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.

Incident Is Among Growing List of Attacks on Small, Rural HospitalsAn Oklahoma hospital quickly restored its IT systems after a ransomware attack in September, but the 62-bed hospital could not recover some data and later learned that hackers may have accessed the personal information of 133,000 people. The attack is the latest involving a small rural hospital.

Compromised Patient Info Dates Back to 2011 at Muskogee City County 911 ServiceAn Oklahoma county provider of medical, fire, police and other 911 emergency services is notifying 180,000 individuals that their health information may have been compromised in a recent ransomware attack. The incident affects patients receiving emergency medical care as far back as 2011.