Latest cybersecurity reporting from selected sources.

Recent Hacks Underscore Persistent and Growing Threats to Smaller OrganizationsSmall and mid-sized healthcare organizations - including medical specialty practices and regional clinics - continue to fall victim disproportionately to hacking incidents, including ransomware attacks and data thefts - affecting large populations of patients. Why does this keep happening?

Also, Europol Cracks DDoS Networks, Mythos Finds Bugs, France Portal HitThis week, scam compounds. Attackers exploit flaws pre-disclosure. A crackdown on DDoS-for-hire. No Mythos for CISA, yes for Mozilla. France ID portal breach. Israeli and Venezuelan critical infrastructure targeted. Russian hacking in Ukraine. An Apache flaw. A ransomware negotiator aided BlackCat.

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.

More Than 100,000 Affected by Hack Detected on Dec. 30The New Zealand government is probing a year-end ransomware hack of private healthcare service provider Manage My Health that impacted thousands of patients. Digital extortion group Kazu has claimed responsibility and threatened to leak the data on Jan. 15 unless it receives a $60,000 ransom.

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.

Lawmaker Says Microsoft Lapses Led to Ascension Health's Major 2024 HackSen. Ron Wyden, D-Oregon, is urging the Federal Trade Commission to investigate Microsoft over the software giant's alleged "negligent cybersecurity," which he says contributed to ransomware attacks on critical infrastructure sector organizations, including last year's attack on Ascension Health.

Senator Ron Wyden of Oregon has urged the FTC to investigate Microsoft for cybersecurity lapses linked to ransomware attacks on US critical infrastructure

Financially Strapped Cloud Services Firm Settles Suit From 2020 Patient Data HackA financially strapped cloud services vendor that experienced a 2020 ransomware attack affecting dozens of healthcare sector clients and hundreds of thousands of patients has agreed to a $1.9 million settlement in proposed class action litigation involving the data theft case.

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.

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?

The U.S. Treasury Department has sanctioned Chinese cybersecurity company Sichuan Silence and one of its employees for their involvement in a series of Ragnarok ransomware attacks targeting U.S. critical infrastructure companies and many other victims worldwide in April 2020. [...]

Burning Issues Include Russian Hacking, China's Hitting Critical InfrastructureFour years since Trump's last term, the cyber picture looks - in many ways - markedly different. How will the incoming administration tackle Russian disinformation and cyber operations against NATO, rampant Chinese cyber espionage, and cybercriminals and ransomware continuing to disrupt businesses?

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. [...]

Lehigh Valley Health Network Will Pay 134,000 Victims of Ransomware Attack and LeakA Pennsylvania-based healthcare system that was hacked by ransomware group BlackCat in 2023 and extorted over stolen exam photos of breast cancer patients posted to a data leak site has agreed to pay $65 million under a proposed settlement of a lawsuit affecting 134,000 patients and employees.

An Iran-based hacking group known as Pioneer Kitten is breaching defense, education, finance, and healthcare organizations across the United States and working with affiliates of several ransomware operations to extort the victims. [...]

Hackers Part of Callisto and Armageddon GroupsThe European Union sanctioned four Russian domestic intelligence agency hackers including two military officers who participated in what researchers have described as "hack and leak" operations. Also coming under sanctions are ransomware hackers part of the Wizard Spider criminal group.

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.

Medical Associations Ask HHS to Clarify HIPAA Duties in Change Healthcare HackMore than 100 medical associations and industry groups representing tens of thousands of U.S. doctors and healthcare professionals have banded together to urge federal regulators to hold Change Healthcare responsible for breach notifications related to a massive February ransomware attack.

Centers for Underserved Patients, Resource-Poor Communities Fight for Cyber FundsMichigan's largest federally qualified health center, which treats homeless and underserved patients, is notifying more than 184,000 individuals of a December ransomware attack that compromised their data. The incident reflects the many challenges that under-resourced healthcare groups face.

A cyberattack on UnitedHealth Group subsidiary Optum that led to an ongoing outage impacting the Change Healthcare payment exchange platform was linked to the BlackCat ransomware group by sources familiar with the investigation. [...]