Latest cybersecurity reporting from selected sources.

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.

Clop's Oracle EBS exploit spree shows no sign of slowing, claims nearly 30 more casualties in media, finance, and tech. Digital engineering outfit GlobalLogic says personal data from more than 10,000 current and former employees was exposed in the wave of Oracle E-Business Suite (EBS) attacks attributed to the Clop ransomware gang. The Hitachi-owned biz joins a growing roster of high-profile victims that also now includes The Washington Post and Allianz UK.…

Harvard University is investigating a data breach after the Clop ransomware gang listed the school on its data leak site, saying the alleged breach was likely caused by a recently disclosed zero-day vulnerability in Oracle's E-Business Suite servers. [...]

GTIG highlighted indicators that Clop is behind the extortion campaign targeting Oracle EBS instances, with its activity likely beginning as early as August 9

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.

CrowdStrike on Monday said it's attributing the exploitation of a recently disclosed security flaw in Oracle E-Business Suite with moderate confidence to a threat actor it tracks as Graceful Spider (aka Cl0p), and that the first known exploitation occurred on August 9, 2025

Big Red rushes out patch for 9.8-rated flaw after crooks exploit it for data theft and extortion Oracle rushed out an emergency fix over the weekend for a zero-day vulnerability in its E-Business Suite (EBS) that criminal crew Clop has already abused for data theft and extortion.…

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.

The Clop ransomware gang has confirmed to BleepingComputer that they are behind the recent Cleo data-theft attacks, utilizing zero-day exploits to breach corporate networks and steal data. [...]

Threat actors such as the operators of the Cl0p ransomware family increasingly exploit unknown and day-one vulnerabilities in their attacks.

Millions of people's personal info swiped, Clop leaks begin with 'Shell's stolen data' Progress Software on Friday issued a fix for a third critical bug in its MOVEit file transfer suite, a vulnerability that had just been disclosed the day earlier.…

Horizon3 security researchers have released proof-of-concept (PoC) exploit code for a remote code execution (RCE) bug in the MOVEit Transfer managed file transfer (MFT) solution abused by the Clop ransomware gang in data theft attacks. [...]

Over that time, the group carried multiple tests to see if the exploit worked and to identify potential victims. It was like "turning the doorknob" to check for access, a researcher says.

The Clop ransomware gang has been looking for ways to exploit a now-patched zero-day in the MOVEit Transfer managed file transfer (MFT) solution since 2021, according to Kroll security experts. [...]

The Clop ransomware gang has been looking for ways to exploit a now-patched zero-day in the MOVEit Transfer managed file transfer (MFT) solution since 2021, according to Kroll security experts. [...]

A researcher guides Dark Reading through the most important bits of Cl0p's latest exploit.

Some billion-dollar organizations have already been identified as victims of the prolific ransomware group's latest exploit, amidst ongoing attacks.

The vulnerability has a CVSS score of 7.2 and was exploited against several companies in the US