Sergiu Gatlan reports: 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...

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