Latest cybersecurity reporting from selected sources.

Health Researchers Often Overlook Security of Historical DatasetsAn August 2025 ransomware attack on the University of Hawaii Cancer Center's epidemiology division has affected 1.2 million individuals, including personal information such as Social Security numbers of certain research study participants dating back more than 30 years.

University of Hawaii Cancer Center Paid RansomCancer patients who participated in University of Hawaii Cancer Center studies during the 1990s may soon receive a notification that ransomware hackers stole their data in an August 2025 incident. Experts said the hack spotlights concerning risks involving compromises of medical research data.

Also, Researchers Exploit Tesla Wall Connector Via Charging CableThis week: Chinese Salt Typhoon hackers hit Viasat, researchers hacked a Tesla charger, Sitecore CMS flaws, Krispy Kreme disclosed hacking damage, Archetyp Market taken down. Episource disclosed a ransomware hack and Spain ruled out cyberattack for the April Iberian blackout.

In what's an instance of hacking the hackers, threat hunters have managed to infiltrate the online infrastructure associated with a ransomware group called BlackLock, uncovering crucial information about their modus operandi in the process. Resecurity said it identified a security vulnerability in the data leak site (DLS) operated by the e-crime group that made it possible to extract

Highly Targeted Ransomware Hit Traced to Long-Running Cyberespionage GroupA stealthy group of mercenary hackers active since 2018 appears to have diversified into hitting hypervisors with ransomware via highly targeted attacks. Researchers said they tracked the hit to a corporate espionage team tracked as RedCurl.

Russia, China, Iran and North Korea Tapping Cybercrime Services, Google SaysThe cybercrime-as-a-service economy continues to power ransomware and other criminal enterprises, as well as serve as "an accelerant for state-sponsored hacking," collectively posing an increasing risk to Western national security, cybersecurity researchers warn.

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.

Security researchers have noticed a spike in devices infected with the TrueBot malware downloader created by a Russian-speaking hacking group known as Silence. [...]

Security researchers have noticed a spike in devices infected with the TrueBot malware downloader created by a Russian-speaking hacking group known as Silence. [...]

Security researchers at Sentinel Labs have uncovered evidence that links the Black Basta ransomware gang to the financially motivated hacking group FIN7, also known as "Carbanak." [...]

Miscreants Googled for post-intrusion tools before downloading them onto servers, PCs Lockbit ransomware operators spent nearly six months in a government agency's network, deleting logs and using Chrome to download hacking tools, before eventually deploying extortionware, according to Sophos threat researchers.…

A Russian-speaking ransomware outfit likely targeted an unnamed entity in the gambling and gaming sector in Europe and Central America by repurposing custom tools developed by other APT groups like Iran's MuddyWater, new research has found

In January, KrebsOnSecurity examined clues left behind by "Wazawaka," the hacker handle chosen by a major ransomware criminal in the Russian-speaking cybercrime scene. Wazawaka has since "lost his mind" according to his erstwhile colleagues, creating a Twitter account to drop exploit code for a widely-used virtual private networking (VPN) appliance, and publishing bizarre selfie videos taunting security researchers and journalists. In last month's story, we explored clues that led from Wazawaka's multitude of monikers, email addresses, and passwords to a 30-something father in Abakan, Russia named Mikhail Pavlovich Matveev. This post concerns itself with the other half of Wazawaka's identities not mentioned in the first story, such as how Wazawaka also ran the Babuk ransomware affiliate program, and later became "Orange," the founder of the ransomware-focused Dark Web forum known as "RAMP."