Latest cybersecurity reporting from selected sources.

Insurer's Hack Could Rank as Largest US Health Data Breach Reported in 2025Supplemental health insurer Aflac is notifying 22.65 million people whose sensitive health and personal information, including Social Security numbers, was potentially compromised in a June data theft incident. The incident will likely rank as the biggest U.S. health data breach reported in 2025.

Insurer's Hack Could Rank as Largest US Health Data Breach Reported in 2025Supplemental health insurer Aflac is notifying 22.65 million people whose sensitive health and personal information, including Social Security numbers, was potentially compromised in a June data theft incident. The incident will likely rank as the biggest U.S. health data breach reported in 2025.

Ransomware Gang Rhysida Leaks 3.7TB of Data Stolen From Maryland Hospital SystemMaryland-based MedStar Health, which operates 10 hospitals, is notifying patients about a data theft incident affecting their personal information. Ransomware group Rhysida claims on its darkweb leak site to have 3.7 terabytes of MedStar's data, including "over 7 million pieces of patient data."

Absolute Dental Says Breach Involved Third-Party Managed Services FirmA Nevada dental practice is notifying more than 1.2 million individuals of a hacking incident that compromised sensitive health and personal information. The incident involved "inadvertent execution of a malicious version of a legitimate software tool," said Absolute Dental.

Breach Victim Tally Soars Since Firm Filed an Initial Breach Report in Early AprilKelly Benefits is notifying nine large clients and nearly 264,000 individuals that their sensitive personal information was potentially compromised in a December data theft incident. The tally of affected people has climbed eight-fold since the company’s first estimate earlier this month.

Community Dental Care Is State's Largest Non-Profit Serving Medicaid PatientsMinnesota's largest nonprofit Medicaid dental practice is notifying nearly 135,000 people of a December 2024 data theft incident that potentially compromised their health and personal information, ranging from medical information to passport numbers.

Ransomware Attack in 2023 Affected More Than 6 Million PeopleIndian IT services giant Infosys said its U.S. subsidiary Infosys McCamish Systems agreed to pay $17.5 million to settle six class action lawsuits related to a cybersecurity incident that compromised the personal information of more than 6 million people.

7 Texas Health and Human Services Workers Fired in Incident Affecting 61,000 peopleAuthorities in Texas are investigating an insider incident at the Texas Health and Human Services Commission that led to the firing of seven employees, an investigation into hundreds of thousands of dollars in stolen funds and notification of a breach of personal information affecting 61,000 people.

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?

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.

The Breach Notice Raises the Question of Whether Sav-Rx Paid a RansomA Nebraska firm that provides medication benefits management and pharmacy services is notifying more than 2.8 million individuals of an October 2023 hacking incident involving the potential theft of their personal information, including Social Security numbers. Did the company pay a ransom?

Extortion Demands, Lawsuits Pile Up After Fred Hutchinson Cancer Center HackCybercriminals are extorting some patients and threatening them with swatting in the wake of a recent cyberattack on a Seattle cancer center. The incident, stemming from a Citrix Bleed exploit, has triggered multiple lawsuits and affected the personal data of at least 1 million people.