Latest cybersecurity reporting from selected sources.

Eset Links Group's Growth to Integrated Endpoint-Killing ToolsEset researchers say the rapidly growing Gentlemen ransomware operation differentiates itself by supplying affiliates with a standardized EDR-killer suite that disables security tools, quickly incorporates newly disclosed vulnerable drivers and helps scale attacks across multiple regions worldwide.

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.

Also, Russian Signal Phishing, Iran-Linked Malware, Breaches in Spain and FranceThis week, Tycoon 2FA, Trio-Tech, messaging app spying and a ransomware broker sentenced. Iran-linked hackers. Mazda disclosed a breach. Oracle patched a flaw. North Korean actors weaponized VS Code, a Spanish port ransomware attack, a French teacher data breach and a healthcare firm victim surge.

AWS Researchers Find an Interlock Server Laden With ToolsRansomware hackers exploited a flaw with a maximum vulnerability score in Cisco firewall management software weeks before the networking giant disclosed the vulnerability in early March. The group has focused extensively on critical infrastructure sectors in North America and Europe.

Also, CIRO Phishing Breach, Ingram Micro Ransomware and CVE SurgeThis week, DOGE posted sensitive data on an outside server. A phishing attack affected 750,000 Canadians. A hacktivism warning from the U.K. NCSC. An Ingram Micro breach. CVEs surged in 2025. SK Telecom challenged a fine. Researchers disclosed Chainlit flaws. North Korean hackers abused VS Code.

Also: SudamericaData Leak, RaccoonO365 Arrest and Nefilim Conspirator Pleads GuiltyThis week: Spotify metadata scraped, Nissan disclosed third-party breach, millions of Argentines exposed to data leak, African police arrested hundreds in a cybercrime sweep, Nigeria nabbed a phishing operator, the U.S. DOJ charged ATM jackpotting ring and Nefilim ransomware affiliate pleaded guilty.

Also: Texas AG Sues Smart TV Manufacturers, Fortinet SSO FlawsThis week, a leadership shakeup at Coupang, attackers exploited critical Fortinet SSO flaws, Pornhub data hacked, Texas Attorney General Ken Paxton sued smart TV makers, auto finance provider 700Credit disclosed a breach affecting millions, A revived pro-Russia ransomware operation stumbled.

Rapid7's Christiaan Beek on Ransomware Tactics and How to Mitigate Attacks in 2026Ransomware attacks are reaching record highs, and 2026 may be even worse, said Christiaan Beek, senior director of threat intel and analytics at Rapid7. He warns that hackers are exploiting vulnerabilities as soon as they're disclosed, and they're focusing on flaws in devices on the network edge.

Akira Ransomware Hackers Targeting SonicWall DevicesFirewall maker SonicWall said Friday all customers who used its cloud backup services are at increased "risk of targeted attacks" following a recent cyberattack. The California firm in September disclosed that unidentified hackers launched brute-force attacks against servers storing backup files.

Akira Ransomware Hackers Targeting SonicWall DevicesFirewall maker SonicWall said Friday all customers who used its cloud backup services are at increased "risk of targeted attacks" following a recent cyberattack. The California firm in September disclosed that unidentified hackers launched brute-force attacks against servers storing backup files.

Stolen DaVita Data Leaked on Dark Web by Ransomware Gang InterlockMonths after cybercriminal gang Interlock claimed to have stolen more than 1.5 terabytes of patient data from kidney dialysis chain DaVita, the company told federal regulators that the cyberattack first disclosed in April has affected nearly 2.7 million people.

SafePay Ransomware Blamed for Prolonged System OutageGlobal tech distributor and service provider Ingram Micro confirmed days after a widespread IT outage that a ransomware attack disrupted internal systems. The firm disclosed the incident following reports that extortion demands associated with SafePay ransomware appeared on employee devices.

Horizon Healthcare RCM Hints at Paying Ransom in Data Theft IncidentHorizon Healthcare RCM is the latest revenue cycle management software vendor to report a health data breach involving ransomware and data theft. The firm's breach notification statement suggests that the company paid a ransom to prevent the disclosure of its stolen information.

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.

Not Just Ransomware But Verbal Disclosure of Personal Data Common, Watchdog FindsTwo decades after California Senate Bill 1386 introduced the world to data breach notifications, organizations have collectively battened down their cybersecurity hatches and fixed the problem once and for all. Of course, I'm joking, with the results of recent data breach root cause report in hand.

Russian National Evgenii Ptitsyn Faces a 13 Criminal Count IndictmentA Russian national accused of working for a ransomware gang made his first appearance in federal court earlier this month after extradition from South Korea, the U.S. Department of Justice disclosed Monday. Evgenii Ptitsyn, 42, faces a 13 criminal count indictment.

Firm Supplies More Than 6,000 PharmaciesA ransomware attack on German pharmaceutical distributor AEP detected Monday has not led to medication shortages so far, report local media. AEP disclosed Wednesday that hackers successfully encrypted some of its IT systems. Pharmacies usually work with several wholesalers.

ENISA's Ifigeneia Lella Shares Highlights of 2024 Threat Landscape ReportWhile the number of ransomware attacks stayed about the same in the past year, cybercriminals are using more effective tactics such as weaponizing breach disclosure deadlines to extract higher ransoms, according to ENISA's 2024 Threat Landscape report.

Also: Ransomware Threats in Healthcare; the Growth of MimecastIn the latest weekly update, ISMG editors discussed the evolving disclosure responsibilities of CISOs, yet another ransomware attack targeting the healthcare sector, and Mimecast's latest strategic acquisition as part of its broader expansion efforts.

Insurance Giant Says Hackers Stole Data of 2.5 Million IndividualsA February ransomware attack against Prudential Financial affected 2.5 million customers, the financial giant disclosed after initially calculating the totally as 36,000. In an emailed statement, Prudential said the tally shouldn't increase a second time.