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.

At one point, Al-Tahery Al-Mashriky was hacking thousands of websites within the span of three months while stealing personal data and sensitive information.

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.

Education software giant PowerSchool has confirmed it suffered a cybersecurity incident that allowed a threat actor to steal the personal information of students and teachers from school districts using its PowerSchool SIS platform. [...]

Robert Purbeck, a 45-year-old man from Idaho, has been sentenced to ten years in prison for hacking at least 19 organizations in the United States, stealing the personal data of more than 132,000 people, and multiple extortion attempts. [...]

UnitedHealth has confirmed for the first time that over 100 million people had their personal information and healthcare data stolen in the Change Healthcare ransomware attack, marking this as the largest healthcare data breach in recent years. [...]

Young Consulting Says Health Data Exposed; Ransomware Group Leaked Stolen DataYoung Consulting, which develops software for the stop-loss insurance market, is notifying 1 million individuals that their personal information was stolen earlier this year in a hack attack. The BlackSuit ransomware group, a rebrand of Royal, subsequently claimed credit and leaked stolen data.

Two men have pleaded guilty to hacking into a federal law enforcement database to steal personal information of those they were extorting. [...]

Also: Personal Data Theft From OKX; Terraform-SEC Settlement TermsThis week, the Norwegian government froze funds from the Ronin hack, a hacker stole personal data of OKX users, Terraform Labs' SEC released settlement terms, "Ethereum's most secure wallet" was breached, Orbit Chain spoke about its hacked funds and scammers exploited AI hype.

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?

The hacker who claimed to have breached Optus and stolen the data of 11 million customers has withdrawn their extortion demands after facing increased attention by law enforcement. The threat actor also apologized to 10,200 people whose personal data was already leaked on a hacking forum. [...]

Game publishing giant Bandai Namco has confirmed that they suffered a cyberattack that may have resulted in the theft of customers' personal data. [...]

A network intrusion at the International Committee for the Red Cross (ICRC) in January led to the theft of personal information on more than 500,000 people receiving assistance from the group. KrebsOnSecurity has learned that the email address used by a cybercriminal actor who offered to sell the stolen ICRC data also was used to register multiple domain names the FBI says are tied to a sprawling media influence operation originating from Iran.