UNC2891 Breaches ATM Network via 4G Raspberry Pi, Tries CAKETAP Rootkit for Fraud

The financially motivated threat actor known as UNC2891 has been observed targeting Automatic Teller Machine (ATM) infrastructure using a 4G-equipped Raspberry Pi as part of a covert attack.
The cyber-physical attack involved the adversary leveraging their physical access to install the Raspberry Pi device and have it connected directly to the same network switch as the ATM, effectively placing

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