Latest cybersecurity reporting from selected sources.

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.

Russia-Linked Ransomware Group Dumps Customer Data After Failed Extortion AttemptUnder Armour may trade on the "blood, sweat, respect" slogan, but a Russia-linked ransomware group hasn't been abiding, after they stole data pertaining to 72.7 million of the athleisure giant's customers, then leaked it on darkweb sites after saying the retailer refused to pay a ransom.

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."

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.

Data of Nearly 470,000 Patients and Employees May Have Been Leaked on Dark WebOmni Family Health, a California nonprofit network of community health centers, has agreed to pay $6.5 million to settle proposed class action lawsuits related to a 2024 hack that may have exposed the personal information of nearly 470,000 current and former patients and employees on the dark web.

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.

Ransomware Gang Nova Poised to Leak Patient Data, Lab Stays Mum on NegotiationsWith ransomware gang Nova threatening to leak patient data on the darkweb, a Dutch laboratory that performs cervical cancer tests for a government screening program is mum about the ransom negotiations, but it says the cyberattack in July has affected 941,000 patients.

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.

Firm Admits Paying Ransom in Exchange of Hacker's Promise to Delete Stolen InfoTwo Florida-based law firms with offices in other states are notifying 282,100 people whose healthcare and other information was potentially compromised in separate data theft incidents. One of the firms admitted to paying a ransom to prevent its data from being leaked on the dark web.

Ransomware Gang Qilin Claims to Have 42GB of Practice's Stolen DataRansomware group Qilin posted at least 42 gigabytes of data stolen from a Texas pediatric orthopedic practice for sale on its darkweb leak site in February. In recent days, Central Texas Pediatric Orthopedics began notifying more than 140,000 people that their data was compromised by hackers.

Researchers: Ransomware Group Emerged Last Fall; Variant of Babuk MalwareA new ransomware gang, Termite, has started leaking on the dark web samples of sensitive data stolen in an attack on Australian fertility clinic Genea. A court has issued a restraining order in hopes of preventing the threat actor or others from further disseminating, using or publishing the data.

Cybercriminals Say They Hacked 66 CompaniesThe Clop cybercriminal group is threatening to make public the companies swept up by its mass hacking of managed file-transfer software built by Cleo Communications. In a Dec. 24 update to its dark web leak site, Clop asserted it has "data of many companies who use Cleo."

Ransomware Gang Could Have Axis Health's Mental Health, Drug Abuse RecordsRansomware gang Rhysida is threatening to dump data on the dark web that belongs to a Colorado provider of mental health, substance abuse and other healthcare services unless it pays nearly $1.5 million. The group is leaking records it claims to have stolen from a Mississippi nursing home.

Ransomware Gang Daixin Claims It Published Sensitive Patient Info on Dark Web SiteA Louisiana-based ambulance company that provides emergency medical care services in four states is notifying nearly 3 million people that their sensitive health information was potentially stolen in a June hack. Ransomware gang Daixin claims to have published the data on its dark web leak site.

Court Filing: Threat Actor Stole Admin Credentials From IT Service Desk ContractorMedibank's lack of MFA on its global VPN allowed a hacker to use credentials stolen from an IT services desk contractor to access the private health insurer's IT systems in 2022, leading to a dark web data leak affecting 9.7 million individuals, Australian regulators said in court documents.

Canadian Retail Pharmacy Chain Says It's Reviewing Exposed Data on Gang's Leak SiteLockBit has begun to leak on its dark web site files of data the Russian-speaking cybercriminal gang claims to have stolen in an April attack on London Drugs. The group had threatened to publish the exfiltrated data if the Canadian retail pharmacy chain does not pay a $25 million ransom demand.

International Police Operation Revives Seized LockBit Dark Web Leak SitePolice behind an international law enforcement operation targeting LockBit resurrected the leak site they seized earlier this year from the ransomware-as-a-service group and posted a countdown clock suggesting they will reveal the identity of LockBitSupp, the group's leader.