Latest cybersecurity reporting from selected sources.

'Have I Been Pwned' Founder Troy Hunt Reviews Impact on People and OrganizationsThe volume of data breaches that result in stolen personal data being leaked online has been surging, "courtesy of the ShinyHunters," and while it affects individuals, the organizations being extorted are bearing the brunt of such attacks, said Troy Hunt, founder and CEO of Have I Been Pwned.

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.

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Newcomer 'Insomnia' Appears to Favor US Healthcare-Related EntitiesA new cybercriminal gang, Insomnia, appears to have its eyes wide open for potential healthcare-related targets. Since surfacing on the darkweb in recent weeks, the apparent data theft group has chalked up 18 alleged victims on its data leak site, with more than half having ties to healthcare.

Ransomware Gang Everest Claims It Has Leaked All Stolen DataA revenue cycle management software firm is notifying an undisclosed number of patients of several medical diagnostic labs that their sensitive information, including diagnoses and treatments, was stolen in a November hack. Ransomware gang Everest Group claims it has leaked all the data.

Revenue From Supply-Chain Attacks by Clop Group Sharply Fell, Report InvestigatorsOnce lucrative steal-and-leak campaigns pioneered by Russian ransomware group Clop look set to go the way of the dinosaurs. While an estimated 25% of victims paid a ransom in the inaugural campaign five years ago, the number of victims that paid fell to zero by 2023, report ransomware responders.

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."

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.

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.

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.

Ransomware Group Lynx Reportedly Stole 4TB of DataThe U.K. Ministry of Defense is investigating an apparent data breach by Russian-speaking ransomware hackers of a building facilities contractor with ties to the military. The Lynx ransomware group posted on its darkweb site samples of what it says is 4 terabytes of data stolen from the Dodd Group.

2022 Ransomware Attack, Data Theft Affected 3.4 Million PatientsA California-based network of nine affiliated physician practices will pay nearly $50 million to settle consolidated class action litigation involving a 2022 ransomware and data theft attack that affected more than 3.4 million patients. Plaintiffs claimed their data was leaked 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.

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.

Criminals Claim Leak of Customer Data From Six Victims, Including Qantas AirlinesA ransomware group that's been extorting Salesforce customers leaked some stolen data, following the FBI disrupting its shakedown sites. ShinyHunters, part of the rebranded Scattered Lapsus$ Hunters group, after leaking data from six victims, declared its Salesforce customer shakedown over.

Researcher Found Bug Could Exfiltrate Secrets Via Camo ImagesA now-patched flaw in GitHub Copilot Chat could have allowed attackers to steal private source code and secrets by embedding hidden prompts that hijacked the artificial intelligence assistant's responses. The exploit also used the code hosting platform's image proxy to leak the stolen data.

Scattered Lapsus$ Hunters Claims 1 Billion Stolen Records, Pressures Victims to PayContinuing its ongoing extortion of Salesforce customers, the Scattered Lapsus$ Hunters ransomware operation has launched a data leak site, claiming to have stolen 1 billion records from hundreds of organizations that integrated Salesforce with the Salesloft Drift AI chatbot.

Now-Dormant Gang Claimed North Carolina, Florida Groups on Data Leak Site This YearTwo medical practices - in North Carolina and Florida - are notifying a total of more than 700,000 patients whose information was potentially stolen in separate hacks earlier this year. The now-dormant ransomware gang BianLian had claimed both organizations as victims on its dark website.

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.

Also: Spain Defies Pressure to Eject Huawei, Hackers Leak North Korea Kimsuky DataThis week, Norway said Russian hackers attacked a flood gate, Spain defied pressure to eject Huawei, a cyberattack against the Office of the Pennsylvania Attorney General. Hackers leaked stolen North Korean Kimsuky data, Microsoft patched a Kerberos zero-day and a big Chrome bug bounty.