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Millions of AT&T, Verizon Customers Impacted by China-Linked Hack of Internet Providers Joe Supan Senior Writer Joe Supan is a senior writer for CNET covering home technology, broadband, and moving.

Emiliano De Cristofaro, a computer science and engineering professor at UC Riverside, who has researched the impact of 4chan on the web, says the ramifications could be large if the hack is confirmed.

An unidentified hacking group launched a massive cyberattack on a telecommunications company in the U.S. heartland late last year that disabled hundreds of thousands of internet routers, according ...