Clop is a ransomware family covered through reported incidents, technical analysis, disruption efforts, and defensive guidance for organizations.
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Clop is a ransomware family used by a criminal group that encrypts files on compromised systems and demands cryptocurrency payments for decryption keys. It is known for combining file encryption with data theft, threatening to publicly release stolen information if victims do not pay. Clop operators often exploit unpatched software vulnerabilities and exposed remote access services to gain entry, then move laterally within networks to maximize impact.
Defending against Clop requires timely patching of software and network devices, strict access controls, and segmentation to limit attacker movement. Monitoring for unusual data transfers can help detect exfiltration attempts linked to Clop’s double extortion tactics. Multi-factor authentication and user training reduce risks from credential theft and phishing, common initial vectors for this ransomware. Understanding Clop’s methods supports targeted detection and containment strategies in enterprise environments.
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Dozens of organizations may have been impacted following the zero-day exploitation of a security flaw in Oracle's E-Business Suite (EBS) software since August 9, 2025, Google Threat Intelligence Group (GTIG) and Mandiant said in a new report released Thursday
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
Oracle has released an emergency update to address a critical security flaw in its E-Business Suite that it said has been exploited in the recent wave of Cl0p data theft attacks
Google Mandiant and Google Threat Intelligence Group (GTIG) have disclosed that they are tracking a new cluster of activity possibly linked to a financially motivated threat actor known as Cl0p
2023 CL0P Growth Emerging in early 2019, CL0P was first introduced as a more advanced version of its predecessor the ‘CryptoMix’ ransomware, brought about by its owner CL0P ransomware, a cybercrime organisation. Over the years the group remained active with significant campaigns throughout 2020 to 2022. But in 2023 the CL0P ransomware gang took itself to new heights and became one of the
Progress Software on Thursday disclosed a third vulnerability impacting its MOVEit Transfer application, as the Cl0p cybercrime gang deployed extortion tactics against affected companies
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) and Federal Bureau of Investigation (FBI) have published a joint advisory regarding the active exploitation of a recently disclosed critical flaw in Progress Software's MOVEit Transfer application to drop ransomware
The notorious cybercrime group known as FIN7 has been observed deploying Cl0p (aka Clop) ransomware, marking the threat actor's first ransomware campaign since late 2021
Microsoft has confirmed that the active exploitation of PaperCut servers is linked to attacks designed to deliver Cl0p and LockBit ransomware families
The first-ever Linux variant of the Clop ransomware has been detected in the wild, but with a faulty encryption algorithm that has made it possible to reverse engineer the process
The Raspberry Robin worm is becoming an access-as-a-service malware for deploying other payloads, including IcedID, Bumblebee, TrueBot (aka Silence), and Clop ransomware