Latest coverage for Clop

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.

Also: China-Linked APT Hijack Updates, Condé Nast Data Leaked, La Poste HitThis week, a Clop-linked vendor breach hit Korean Air, a China-linked APT hijacked software updates, a critical zero-day flaw remained unpatched, Condé Nast faced a data leak, La Poste was disrupted and Korean police extradited a malware operation suspect.

Full Scope of Clop Ransomware Group's Oracle E-Business Suite Hits Still EmergingThe University of Phoenix is notifying 3.5 million individuals that their personal information was compromised in a data breach. The theft traces to the Clop ransomware group's supply-chain campaign against users of Oracle E-Business Suite, in which it wield two zero-day vulnerabilities.

Clop Ransomware Group Targeted NHS Barts Health in AugustA National Health Service hospital is seeking assistance from the U.K. High Court to stymie a potential data leak tied to a ransomware hack. The hospital, NHS Barts, said ransomware group Clop targeted its network in August.

British Health System Investigates Claim Amid Wave of Enterprise Data TheftsRansomware gang Clop has claimed the United Kingdom's National Health Service among its latest victims. The NHS confirmed that it is listed on a cybercriminal group's dark website, but did not comment on Clop's claims. The hack attack appears tied to Oracle E-Business Suite exploits.

Also, Envoy Air Confirms Data Compromise Following Clop Extortion CampaignThis week, Qilin didn't hack a Spanish tax agency, Nexperia standoff, Envoy Air confirmed a data compromise, Experian Netherlands fined 2.7M euros, ToolShell used to breach global networks, flaws in TP-Link Omada and Festa VPN routers and a New York firm settled a cybersecurity investigation.

Signs Point to Multiple Exploit Chains, One Including a Zero-Day, Being EmployedData-stealing attacks targeting Oracle E-Business Suite, for which an affiliate of Russian-speaking Clop ransomware group is claiming credit, appear to have begun by August and involved multiple attack chains, of which one targeted a zero-day vulnerability, report Google threat researchers.

Deploy Emergency Patch for Zero-Day Flaw, Hunt for Signs of Intrusion, Warn ExpertsOracle patched a zero-day vulnerability in Oracle E-Business Suite and urged customers to immediately install the fix. The flaw has been exploited since August by the Clop ransomware group, and with exploit code now having leaked, experts expect to see many more attackers join the fray.

Executives Receiving Ransom Demands of Up to $50 Million, Warns Ransomware ExpertExtortionists are shaking down executives at organizations that use Oracle E-Business Suite, claiming to have stolen their sensitive data and demanding ransoms of up to $50 million, multiple cybersecurity firms are warning. The criminals claim to be associated with the Clop ransomware group.

What Do You Mean, Hospital-Targeting Sociopath Ransomware Wielders Continue to Lie?A ransomware group reusing the Babuk ransomware brand claims to have stolen data from the likes of Amazon, Delta and US Bank. Just one problem: Security experts found a startling overlap between its claimed victims and previous attacks scored by the likes of Clop, LockBit and RansomHub.

RansomHub, Play, Akira and Clop Among the Groups Claiming the Most VictimsRansomware operations have collectively claimed what amounts to a surge in new victims. Researchers trace much of this activity to RansomHub, Play and Akira, as well as Clop, which continues to drip-feed details about its attack on users of Cleo Communications' managed file-transfer software.

Breach of GoAnywhere File Transfer App at Brightline Affected 1 Million PatientsVirtual mental health provider Brightline has agreed to pay $7 million to settle a proposed class action lawsuit involving a data breach affecting about 1 million individuals stemming from the 2023 hack by ransomware gang Clop on software vendor Fortra's GoAnywhere managed file transfer application.

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."

At Least 200 Servers Still Vulnerable as Ransomware Group Claims Mass ExploitsMore than 200 Cleo managed file-transfer servers remain internet-exposed and unpatched, despite warnings of a mass attack targeting critical vulnerabilities in the widely used software. The Clop ransomware operation, which has repeatedly targeted MFT software, claimed credit for the attacks.

File-Transfer Software Being Exploited by One or More Groups; Vendor Pushes PatchesThe ransomware group Clop is claiming credit for the mass exploitation of managed file-transfer software built by Cleo Communications, following on from the similar targeting of MOVEit file-transfer in 2023. Many large organizations rely on the MFT server software to securely transfer files.

Also, Kansas Courts Say Ongoing Outage Traces to Attack; Confidential Data StolenThis week's data breach roundup: Chinese-affiliated hackers target the Philippine government; Kansas Courts confirm data theft, officials warn of exploited flaws in Sophos, Oracle and Microsoft software; AutoZone discloses a Clop ransomware attack; Optus' CEO resigns after network outage.

77 Million Individuals' Information Exposed, as More Victims Continue to Be CountedTrackers of the tally of individuals affected by the Clop ransomware group's mass hack attack on MOVEit servers added another 4.5 million patients' data to the ever-ascending total. The incident currently affects more than 2,600 organizations and 77 million individuals.