Clop
Clop created custom web shell for Windchill data theft attacks
A custom Java web shell likely linked to the Clop ransomware gang was designed specifically for PTC Windchill and FlexPLM servers, with built-in features to decrypt credentials, enumerate file repositories, and steal files. Cybersecurity company ReliaQuest analyzed the web shell after it is believed to have been deployed in recent data theft attacks exploiting CVE-2026-12569, […]
Philips and GE investigating Clop ransomware data theft claims
Tech giants General Electric (GE) and Philips have also confirmed they’re investigating claims that the Clop ransomware gang breached their systems and stole data. While a GE spokesperson said the company is aware of the claim and is “working to assess the potential issue,” a Philips spokesperson confirmed its systems were breached but said the […]
Shell investigates ‘potential incident’ after Clop data theft claims
Oil giant Shell has confirmed it is investigating a potential security incident after the Clop ransomware gang claimed it stole 89GB of data. Shell is a British multinational energy conglomerate and one of the world’s top three oil and gas companies, after Chevron and ExxonMobil. It has 85,000 employees in more than 70 countries and […]
Clop ransomware targets Windchill, FlexPLM in data theft attacks
The Clop ransomware gang (also tracked as Cl0p) is targeting Internet-exposed PTC Windchill and FlexPLM instances in a new data theft extortion campaign. Clop has reportedly been exploiting a critical improper input validation vulnerability tracked as CVE-2026-12569, which allows attackers to execute arbitrary code on vulnerable Windchill and FlexPLM instances. As cybersecurity company ReliaQuest reported on […]
Estée Lauder discloses data breach via Oracle E-Business flaw
Cosmetics giant Estée Lauder is notifying customers of a data breach after hackers exploited a flaw in Oracle E-Business Suite that the company used for human resources (HR) operations. The company says that last month it identified an intrusion that had occurred on August 9, 2025, which led to the threat actor obtaining ” personal information of certain […]
Korean Air data breach exposes data of thousands of employees
Korean Air experienced a data breach affecting thousands of employees after Korean Air Catering & Duty-Free (KC&D), its in-flight catering supplier and former subsidiary, was recently hacked. Korea’s flag carrier has over 20,000 employees, a fleet of over 160 aircraft, and has reported over $11 billion in revenue after carrying more than 23 million passengers […]
University of Phoenix data breach impacts nearly 3.5 million individuals
The Clop ransomware gang has stolen the data of nearly 3.5 million University of Phoenix (UoPX) students, staff, and suppliers after breaching the university’s network in August. Headquartered in Phoenix, Arizona, UoPX is a private for-profit university founded in 1976 with over 100,000 enrolled students and nearly 3,000 academic staff. In early December, the university disclosed […]
Clop ransomware targets Gladinet CentreStack in data theft attacks
The Clop ransomware gang (also known as Cl0p) is targeting Internet-exposed Gladinet CentreStack file servers in a new data theft extortion campaign. Gladinet CentreStack enables businesses to securely share files hosted on on-premises file servers through web browsers, mobile apps, and mapped drives without requiring a VPN. According to Gladinet, CentreStack “is used by thousands of businesses from […]
Barts Health NHS discloses data breach after Oracle zero-day hack
Barts Health NHS Trust, a major healthcare provider in England, announced that Clop ransomware actors have stolen files from one of its databases after exploiting a vulnerability in its Oracle E-business Suite software. The stolen data are invoices spanning several years that expose the full names and addresses of individuals who paid for treatment or other services […]
University of Phoenix discloses data breach after Oracle hack
The University of Phoenix (UoPX) has joined a growing list of U.S. universities breached in a Clop data theft campaign targeting vulnerable Oracle E-Business Suite instances in August 2025. Founded in 1976 and headquartered in Phoenix, Arizona, UoPX is a private for-profit university with nearly 3,000 academic staff and over 100,000 enrolled students. The university disclosed the data […]