Latest cybersecurity reporting from selected sources.

CISA Lauded for Fast Response, Transparency and Detailing Security RecommendationsSecure developers' use of public code repositories, monitor them for secrets and if they get exposed, have a well-tested incident response playbook at the ready. The U.S. Cybersecurity and Infrastructure Security Agency has shared these and other lessons learned after suffering a data leak.

Fallout Continues Over Leaked Claude Source Code IncidentThe tension between AI developers and cybersecurity vendors is becoming increasingly apparent as new models show sudden leaps in capability - and AI firm Anthropic, for better or for worse, finds itself at the center of the drama.

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."

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.

Serviceaide Incident Exposed Patient Data of Catholic Health, a NY-Based ClientServiceaide, a provider of agentic AI-based IT management and workflow software, reported to regulators that an inadvertent exposure of data on the web has affected more than 483,000 patients of client Catholic Health, a network of six hospitals and dozens of other facilities in western New York.

Researcher Found Unsecured Database Server Containing 1,864 GB of OrthoMinds' DataAn orthodontic practice software vendor is notifying an undisclosed number of patients that their data was exposed to the internet for 10 days last November. The security researcher who discovered the data leak said the incident appears to have lasted longer and affected more than 200,000 patients.

Also: Infostealer Malware Compromises Mexican Government ComputersThis week, DeepSeek exposed sensitive data, hackers exploited unpatched Zyxel flaws, infostealer malware on Mexican government computers, Smiths Group incident, PowerSchool breach notifications, an Apple zero-day, XWorm RAT backdoor, and Credit Control Corporation settled a lawsuit.

Cybercriminal Gang RansomHub Claims It Leaked 700 Gigabytes of Lab's Stolen DataFlorida drug testing medical laboratory American Clinical Solutions told federal regulators that 300,000 individuals are caught up in a hacking incident now that criminal gang RansomHub has published 700 gigabytes worth of data stolen from the lab's network.

'Ransom_man' Extortonist Faces 6 Year, 3 Month Prison TermA Finnish court found Aleksanteri Tomminpoika Kivimäki guilty of hacking and leaking online the psychotherapy records of 33,000 individuals in a 2020 incident. The District Court of Länsi-Uusimaa has sentenced Kivimäki, 26, to six years and three months in prison.

Notorious Hacker Alleges They Stole Data From National Security ContractorThe U.S. Department of State confirmed it’s investigating claims of a cyber incident after a notorious hacker known as IntelBroker posted on a publicly accessible hacking forum that they had leaked data belonging to the federal government and its allies.

Defense Minister Pistorius Says Leak Caused by Webex 'Application Error'German Minister of Defense Boris Pistorius on Tuesday said the recent leak of intercepted military data was the result of an "application error" and not caused by a system compromise by Russian hackers. Pistorius also said the country is continuing to examine the incident further.