Notes
- Circuit Magazine: Polish CHP plant private APN OT attack
- SecurityWeek: Novel Private APN Pivot Let Hackers Sabotage Second Polish Energy Facility
- Infosecurity Magazine: Russian-Linked Hackers Accessed Polish Power Plant OT Network Through Private APN
- The Hacker News: Hackers breach Polish power plant
- EveryWAN: Carrier private APN, who else is inside
Sources checked October 12, 2026. Equipment named in CERT Polska's findings: Teltonika RUTX50 router, WAGO PFC200 controller, Siemens S7-300, S7-1200 and S7-1500 controllers.