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UNC2891 Bank Heist Explained: CAKETAP Rootkit and Raspberry Pi Attack

๐Ÿ“… May 22, 2026 ๐Ÿ“ฐ www.picussecurity.com ๐Ÿ” 0 CVE(s) referenced

UNC2891 executed a sophisticated bank heist by physically planting a 4G-enabled Raspberry Pi and deploying a custom Solaris rootkit (CAKETAP) to manipulate ATM switch servers, bypass card and PIN verification, and authorize fraudulent cash withdrawals undetected.

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