Latest cybersecurity reporting from selected sources.

Cybercrime Group First Listed Ohio Health System as a Data Theft Victim Last JuneOhio-based Kettering Health is notifying current and former patients and "affiliates" that their personal, health and financial information was potentially compromised in a May 2025 ransomware attack and data theft incident claimed by cybercriminal gang Interlock.

Cybercrime Gang Rhysida Still Lists the Practice on Its Leak Site Among Its VictimsA Kansas medical group will pay $1.2 million to settle proposed class action litigation involving an attack that compromised the sensitive data of nearly 256,000 individuals. The Rhysida ransomware operation claimed responsibility and said it stole 3 terabytes.

2024 Cyberattack Was One of Several on Other Blood Suppliers in US, UKOneBlood, which provides blood supplies to 250 hospitals in Florida, Georgia and the Carolinas, will pay $1 million to settle proposed class action litigation filed against the non-profit entity in the wake of a 2024 ransomware attack that compromised the information of nearly 170,000 individuals.

Cybercrime Gang Monti Listed 84-Bed Rural Hospital Among Its Victims Last SummerA public Georgia community hospital is notifying more than 163,000 individuals that their sensitive health information was compromised in a June 2024 ransomware attack. The cybercriminal gang Monti on its dark website last summer claimed Wayne Memorial Hospital as one of its victims.

2021 Pysa Hack Compromised PHI of Nearly 25,000 PatientsA HIPAA breach investigation into a 2021 attack involving a variant of Pysa ransomware resulted in a $250,000 fine for an upstate New York specialty surgery practice, which also agreed to a corrective action plan that will be monitored by federal regulators for the next two years.

2021 Pysa Hack Compromised PHI of Nearly 25,000 PatientsA HIPAA breach investigation into a 2021 attack involving a variant of Pysa ransomware resulted in a $250,000 fine for an upstate New York specialty surgery practice, which also agreed to a corrective action plan that will be monitored by federal regulators for the next two years.

345 Major HIPAA Breaches Reported to Feds So Far This Year, Affecting 29.9 MillionMidway through 2025, the federal website listing major health data breaches in the U.S. shows a familiar scene: Many hacking incidents including ransomware, dozens of third-party vendor incidents, and millions of individuals affected by compromised personal data.

Landmark Admin Compromise Affects More Than a Dozen Insurance and Annuity CarriersLandmark Admin, a third-party vendor that provides administrative services to life insurance and annuity companies, said 1.6 million people are potentially affected by 2024 ransomware and data exfiltration incidents that compromised a wide range of personal, financial and health information.

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.

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?

After claiming responsibility for the ransomware attack in 2024, the "Embargo" ransomware group posted 1.15 terabytes of stolen data to its public Tor site.

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.

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.

Colorado Laboratory Already Facing Several Proposed Class Action Breach LawsuitsA Colorado-based pathology laboratory is notifying more than 1.8 million patients that their sensitive information was compromised in an April hack, one of the largest breaches reported by a medical testing lab to U.S. federal regulators to date. Ransomware gang Medusa is blamed for the attack.

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.

Nonprofit Group Hit 3 Times in 3 Weeks in 2018, Affecting PHI of 85,000 PatientsFederal regulators have hit a California physician services organization with a $240,000 HIPAA civil penalty following an investigation into three ransomware attacks that occurred within a three-week span in early 2018, compromising the sensitive information of 85,000 patients.

The threat group is disrupting healthcare organizations. Victims can help themselves, though, even after compromise, by being careful in the decryption process.

The Company Will Start Notifying Individuals Affected by the Breach in Late JulyChange Healthcare says it has begun to notify customers whose data was compromised in the February ransomware attack that affected scores of healthcare providers, health insurance plans and other organizations. The company will begin to notify affected individuals in late July.

Multiple UK councils have warned that residents’ personal data may have been compromised following a ransomware attack on NRS Healthcare

2020 Attack Affected 13,000 Blackbaud Clients, 1.5 Billion of Their 'Constituents'A federal judge has denied class certification in consolidated proposed class action litigation against Blackbaud stemming from the fundraising software vendor's 2020 ransomware attack that affected 13,000 clients and compromised data of about 1.5 million donors, patients and other individuals.