Intrusions into carriers, ISPs and lawful-intercept systems supporting a global espionage collection system.
NSA, CISA, FBI and partners detailed a deliberate and sustained campaign by PRC state-sponsored actors compromising networks worldwide to feed a global espionage system.
CISA released mobile communications best practice guidance in direct response to identified PRC-affiliated espionage against commercial telecommunications infrastructure.
CISA and partners warned that PRC-affiliated actors compromised networks of major global telecommunications providers in a broad cyber espionage campaign, and published visibility and hardening guidance for communications infrastructure.