In November 2024, Everest Team added Concord Orthopaedics (“COPA”) to its dark web leak site (DLS) with screenshots offered as proof of claims. At the time, Everest claimed to have acquired “medical records and personal data of all patients from 2018. More than 30,000 identity documents.” On March 25, 2025, COPA mailed notifications to those…
Blacklock Ransomware: A Late Holiday Gift with Intrusion into the Threat Actor’s Infrastructure
As seen on Resecurity’s blog, and where they are entitled to take a victory lap: Dubbed “BlackLock” (aka “El Dorado” or “Eldorado“), the ransomware-as-a-service (RaaS) outfit has existed since March 2024. In Q4 of last year, it increased its number of data leak posts by a staggering 1,425% quarter-on-quarter. According to independent reporting, a relatively new group has rapidly accelerated…
Oracle customers confirm data stolen in alleged cloud breach is valid
Oracle continues to deny it had any breach, but customers and researchers are claiming otherwise. Lawrence Abrams reports: Despite Oracle denying a breach of its Oracle Cloud federated SSO login servers and the theft of account data for 6 million people, BleepingComputer has confirmed with multiple companies that associated data samples shared by the threat actor…
Shifting the sands of RansomHub’s EDRKillShifter
Jakub Souček and Jan Holman report: The RansomHub ransomware-as-a-service (RaaS) operation affiliates were linked to established gangs Medusa, BianLian, and Play, which share the use of RansomHub’s custom-developed EDRKillShifter. ESET researchers take a look back at the significant changes in the ransomware ecosystem in 2024 and focus on the newly emerged and currently dominating ransomware-as-a-service…
Trump’s Top Aides Suffer Another Series of Embarrassing Data Blunders
Yasmeen Hamadeh reports: When it rains, it pours—at least that’s the case for Mike Waltz and the country’s top national security officials this week. After President Donald Trump’s national security adviser accidentally added a prominent journalist to a private Signal chat with more than a dozen top government officials, it emerged that he had made…
Ransomwared NHS software supplier nabs £3M discount from ICO for good behavior
Connor Jones reports the latest update on the ransomware attack affecting Advanced Computer Software: The UK’s data protection watchdog is dishing out a £3.07 million ($3.95 million) fine to Advanced Computer Software Group, whose subsidiary’s security failings led to a ransomware attack affecting NHS care. This is nearly half the fine the Information Commissioner’s Office provisionally floated…