Latest cybersecurity reporting from selected sources.

2023 LockBit Attack Affected Nearly 9M People, Including ChildrenMCNA Dental, one of the largest providers of U.S. government-sponsored dental benefits to children, has agreed to a proposed multimillion dollar settlement to resolve class action claims stemming from a 2023 LockBit ransomware attack and data theft that affected nearly 9 million people.

Also, Arch Linux Attack, Estonia Quarantines Russian Emails, Joomla FlawThis week, ShinyHunters leaked alleged Madison Square Garden data, a U.S. senator pressed CISA on regional staffing cuts, an Arch Linux supply-chain attack, Mackay Sugar began recovery from a ransomware attack, Novo Nordisk faced dueling breach claims - and more compelling cybersecurity news.

Also, YellowKey Bypasses BitLocker, Škoda Breach, Kingdom Market Operator JailedThis week, U.S. lawmakers urged action on AI, a BitLocker exploit. Škoda, Nvidia’s GeForce NOW partner and telehealth firm OpenLoop reported breaches. Patch Tuesday. A dark market operator sentenced and pro-Ukraine and Iranian-linked hacking. Nitrogen ransomware attack on Foxconn.

Federal Cybersecurity Funding Declines; Criminals Could Access Mythos-Class ModelsEfforts to combat ransomware and improve resilience continue to deliver - but the situation is fraught, with the American government no longer the cybersecurity leader it once was. Emerging frontier artificial intelligence models additionally look set to hand attackers formidable new capabilities.

Experts Weigh How the US Could Raise the Stakes for Would-Be AttackersAs ransomware attacks on hospitals continue to disrupt patient care and sometimes contribute to serious patient harm, policymakers are increasingly debating whether the U.S. should treat such incidents as acts of terrorism - and even pursue homicide charges when a patient death occurs.

Also, Medusa Ransomware, Grafana Flaw, German Political Party BreachThis week, German police unmasked a REvil leader, a critical Docker flaw, Medusa ransomware surged, DPRK hackers abused GitHub, Grafana AI bugs enabled data theft, scams hit $20B in the United States, Ivanti exploited and attacks hit Northern Ireland schools and a German political party.

Also, Lloyds Data Leak, Dutch Treasury Breach, Citrix Bug Exploit, Pay2Key ActivityThis week, Lloyds data leak hits 450K, Dutch treasury breach, Citrix flaw exploited, Iran-linked ransomware ops, TrueConf zero-day, Russian fraud ring sentenced, Romania targeted, patch gaps persist, and U.S. hospital breach affects 257K.

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.

For the U.S. healthcare ecosystem, the 2024 ransomware attack on Change Healthcare proved to be a supply-chain earthquake in showcasing critical third-party risk that entities now must carefully and urgently consider, said Erik Decker, CISO of Intermountain Health and a federal cyber adviser.

Ex-FBI Leader Cynthia Kaiser on Sanctions, Ecosystem Disruption, Stronger PoliciesU.S. cyber policy now treats ransomware gangs and fraud networks as transnational criminal organizations. Former FBI cyber leader Cynthia Kaiser explains how sanctions, infrastructure takedowns, and international cooperation could weaken cybercrime ecosystems and reduce attacks.

Experts Warn of DDoS, Ransomware, Proxy And Other Attacks on Health SectorThe escalating conflict emerging from the U.S. and Israel military strikes this weekend on Iran, which killed the country's top leadership and crippled its internet connectivity, could erupt into cyberattacks against the healthcare sector by Iranian sympathizers and proxies, experts warn.

Report: Lazarus Group Pivoting to Medusa Ransomware for Extortion AttacksNorth Korean-state backed Lazarus Group hackers are using Medusa ransomware in extortion attacks on U.S. healthcare entities despite a 2024 U.S. indictment of Rim Jong Hyok, an alleged member of the Lazarus subgroup Stonefly, according to a new threat intelligence report.

Also: AI, Machine Identity Risks; Europe’s Digital Sovereignty PushIn this week's panel, four ISMG editors examined how cybercriminals may be turning on each other, what security leaders are really saying about machine identities and AI risk, and how shifting U.S.-Europe dynamics are reshaping technology resilience and digital sovereignty.

Americans Extorted at Least 5 Firms, Earning $1 Million From a Medical Device MakerTwo American cybersecurity professionals who moonlighted as BlackCat ransomware gang affiliates pleaded guilty to using the crypto-locking malware to extort at least five victims in the United States, including a medical device maker that paid a cryptocurrency ransom worth over $1 million.

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.

Precision Agriculture Boost Yields but Opens Farmers to Cybersecurity RiskPrecision agriculture is transforming U.S. farming with sensors, drones and automation, boosting productivity yields. But growing digital dependence is also expanding the attack surface, exposing farms to ransomware, disruption and rising cybersecurity risk.

Public-Private Cooperation Key for Ransomware Mitigation, Says Anne NeubergerOngoing, high-profile ransomware attacks against Britain and the United States have transformed cybersecurity into a national security priority, Anne Neubehttps://cms.ismgcorp.com/userpolicy/titlelevelrger, the former White House deputy national security adviser for cyber, said at a Wednesday event in London.

Also: Akira Ransomware Targets Healthcare, AI's Sycophancy Becomes a Security RiskIn this week's ISMG Editors' Panel, four editors discussed the staffing crisis confronting America's cyber defense agency, the escalating Akira ransomware threat putting more pressure on healthcare, and growing concerns over whether AI models used in security can actually be trusted.

Treasury Links Russian Bulletproof Host Network to Prolific Ransomware OperationsThe U.S., U.K. and Australia sanctioned Russian bulletproof host Media Land for supporting major ransomware gangs, including LockBit and Play, a move paired with new global guidance urging internet service providers to tighten access controls and disrupt cybercrime infrastructure.

Also, Australian Police Arrest 55 in New Round of Anom App StingThis week: UPenn hit by email breach, Australian police arrested 55, 'SesameOp' backdoor hid C2 traffic, BEC scammers used AWS, hackers stole trucking cargo, Ukrainian national extradited to United States for role in Conti ransomware and a supply chain risk in advanced installer tool.