Private APNs FBI Recommends for OT Security Exploited to Bridge Unrelated Polish Energy Sites
Poland cyberattack via private APN revealed a first-of-its-kind attack path: Russia-linked hackers reached a heat plant by pivoting through a cellular network from an unrelated wind farm. CERT Polska warns the APN misconfiguration is likely common internationally, putting FBI and EPA guidance recommending private APNs for OT security in tension with the Poland disclosure.