China-linked spies continue to infiltrate U.S. telecommunications networks, with their presence still detected nearly six months after American officials launched an investigation into the breaches, senior officials reported on Tuesday (Dec. 3). The Cybersecurity and Infrastructure Security Agency (CISA), National Security Agency (NSA), Federal Bureau of Investigation (FBI), and international partners have now released a joint guide detailing best practices to defend against an alleged threat actor affiliated with the People’s Republic of China (PRC) that has infiltrated the networks of major global telecommunications providers. This marks the first official confirmation from U.S.