Latest cybersecurity reporting from selected sources.

Incident Comes Months After NYS Fined Liberty Mutual $2M in Other HacksInsurance carrier Liberty Mutual is facing proposed class action litigation filed by policyholders who allege their sensitive information was compromised in an April data theft claimed by cybercrime gang Everest Group. The incident is the company's latest data security related troubles.

Spanish Police Bust German Accused of Relaunching 'Crimenetwork' Cybercrime ForumSpanish police have arrested a German national suspected of a string of cybercrime offenses, including remotely administering from the sunny island of Mallorca a relaunched version of "Crimenetwork," a German-language cybercrime market for stolen data, forged documents and drugs.

Cybercrime Gang Claims to Have 108-Gbyte Trove of Insurer's Files, FoldersRansomware gang Everest Group claims to have stolen more than 108 gigabytes of data- including policyholder details - belonging to insurer Liberty Mutual. The cybercrime group began leaking the company's alleged data on Monday afternoon, saying the insurer "failed" to respond to the gang's demands.

Cybercrime Gang ShinyHunters Claimed to Steal 9M RecordsMedtronic has told federal authorities that cybercriminals hacked its corporate IT systems, but said the incident did not affect the medical device makers' products, manufacturing or distribution operations. Cybercrime gang ShinyHunters reportedly claimed responsibility for the hack.

Tyler Buchanan Pleads Guilty to Conspiracy to Commit Wire Fraud and Identity TheftA senior figure in the Scattered Spider cybercrime group pleaded guilty to one count of conspiracy to commit wire fraud and one count of aggravated identity theft on Friday in US federal district court. The plea marks the conclusion of a digital crime spree by Tyler Robert Buchanan.

CRM-Obsessed ShinyHunters Gang Exploits Misconfigured Customer Experience PortalsA prolific and noisy cybercrime gang with a penchant for stealing Salesforce customers' data and holding it ransom is taking advantage of misconfigured guest accounts meant to provide public access to services meant to remain private, using a Google scanning tool to identify vulnerable accounts.

Cybercrime Gang Allegedly Stole 4.7 Terabytes of Data, Affecting 2.5MNorton Healthcare, which operates nine hospitals and other care facilities in Kentucky and Indiana, has agreed to pay $11 million to settle class action litigation stemming from a 2023 data theft attack by ransomware-as-a-service gang Alphv/BlackCat that affected nearly 2.5 million people.

Cybercrime Group First Listed Ohio Health System as a Data Theft Victim Last JuneOhio-based Kettering Health is notifying current and former patients and "affiliates" that their personal, health and financial information was potentially compromised in a May 2025 ransomware attack and data theft incident claimed by cybercriminal gang Interlock.

2023 Incident Affected More Than 650,000 Patients, EmployeesAn upstate New York orthopedic practice has agreed to pay state regulators a $500,000 settlement and implement stronger security practices following a 2023 hack involving the theft of 650,000 individuals' sensitive information. Cybercrime group INC Ransom reportedly claimed credit for the incident.

Cybercrime Gang Rhysida Still Lists the Practice on Its Leak Site Among Its VictimsA Kansas medical group will pay $1.2 million to settle proposed class action litigation involving an attack that compromised the sensitive data of nearly 256,000 individuals. The Rhysida ransomware operation claimed responsibility and said it stole 3 terabytes.

Uncovered: Typosquatted Domains Linked to Suspected Ransomware Group CampaignContinuing its targeting of customer data, the cybercrime group Scattered Lapsus$ Hunters appears to be gearing up for large-scale attacks involving typosquatted domains that lead to phishing domains designed to steal Zendesk users' valid credentials, warn security researchers.

Cybercrime Group ShinyHunters Claims to Steal Data From 300 OrganizationsThe attack that targeted customer data management tool Gainsight resulted in the theft of information from approximately 300 Salesforce-using firms, the Scattered Lapsus$ Hunters subgroup ShinyHunters has claimed. Salesforce and Gainsight have shared more details as their investigation continues.

Kazu Demands $200K Ransom, Begins Leaking 1.2M Stolen Patient RecordsKazu, a relative newcomer among cybercrime gangs, is threatening to post 353 gigabytes of data allegedly stolen in recent weeks from Doctor Alliance, a Texas-based company that provides document and billing management technology and services to physician practices. The attack appears to be the gang's first in North America.

Malware Captures Billions of CredentialsThe threat posed by information-stealing malware continues to rise, as it mass harvests ever-greater quantities of user credentials and offers them for sale across the cybercrime underground. Researchers have recently tracked 1.8 billion stolen credentials being sold across illicit marketplaces.

Medusa Group Tied to Attack on SimonMed and Threats to Leak Stolen DataTwo radiology practices are notifying nearly 1.5 million people of separate hacking incidents compromising their sensitive health information. Cybercrime gang Medusa claimed credit for attacking Arizona-based SimonMed Imaging in January and threatened to leak the stolen data of nearly 1.3 million patients on the darkweb.

Medusa Group Tied to Attack on SimonMed and Threats to Leak Stolen DataTwo radiology practices are notifying nearly 1.5 million people of separate hacking incidents compromising their sensitive health information. Cybercrime gang Medusa claimed credit for attacking Arizona-based SimonMed Imaging in January and threatened to leak the stolen data of nearly 1.3 million patients on the darkweb.

Cybercrime Group ShinyHunters Advertises 160 Million Stolen RecordsVietnam's central bank is probing a hack attack that breached its credit reporting division, exposing personally identifiable information. The cybercrime group ShinyHunters claimed credit for the breach, advertising on a cybercrime forum 160 million stolen records for $175,000.

Cyber Extortion Campaign Automated Efforts to 'Unprecedented' Degree, Says AI GiantArtificial intelligence giant Anthropic said it's disrupted a cybercrime operation that tapped its large language models, including Claude Code, to an "unprecedented" extent to help automate a data theft and extortion campaign that targeted more than a dozen critical infrastructure organizations.

FBI Seizes Domains; Dutch Police Analyzing Seized Data to Identify Admin and UsersAn international law enforcement operation involving the FBI and Dutch police has shuttered VerifTools, a "key" platform for generating fake identification documents cops have tied to multiple help desk fraud, cryptocurrency theft and other cybercrime cases.

Also: Taiwan Charges 14 in $41M Fraud; 1,200 Arrested in Cybercrime BustThis week, a scammer posed as police to steal bitcon, Taiwan charged 14 in a $41M fraud case, U.S. regulators lifted a consent order on Anchorage Digital, U.S. federal prosecutors said "writing code" alone is not a crime and the U.S. Commodity Futures Trading Commission expanded crypto engagement.