Kellogg’s leaks sensitive data after Clop attack


WK Kellogg, the company behind the Kellogg’s cereals, has been hit by a major data breach. Cybercriminals from the ransomware group Clop exploited a vulnerability in the software of an external supplier, stealing employees’ personal data.

The data breach took place in December 2024, when data was stolen from the file transfer service Cleo. At the time, Cleo suffered a wave of attacks from Clop. The ransomware gang used zero days to gain access to Cleo servers. Then, on February 27, 2025, Kellogg’s discovered that the attacks may have affected it. The cereal manufacturer used third-party Cleo servers to transfer personnel files to HR service providers, and the attack targeted precisely these servers.

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Source: Techzine News


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