Ransomware group Clop exploited a vulnerability in external supplier's software and stole employees’ personal data

Synopsis

WK Kellogg experienced a data breach in December 2024 that was discovered in February 2025. The breach was a result of two zero-day vulnerabilities in their file transfer vendor, Cleo's, software. The vulnerabilities, CVE-2024-50623 and CVE-2024-55956...

Companies

  • WK Kellogg Co

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