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EP. 146: How a Private APN Became a Backdoor Into a Polish Power Plant
Summary
A destructive cyberattack against a Polish combined heat and power facility demonstrated a previously undocumented attack path through a private cellular APN. The attackers first compromised infrastructure at a separate wind farm, accessed a cellular router, tunneled into the private APN, discovered a WAGO PLC at the CHP plant, and used that controller as a gateway into the plant’s OT network.
After roughly a week of reconnaissance, the attackers manipulated Siemens PLCs, shutting down a steam turbine and process-water treatment system. Operators restored operations before customers…
The skinny
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