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U.S. government officials said that the China-backed hacking group dubbed Salt Typhoon are still inside some of the networks of America’s largest phone and internet providers, weeks after the long-running hacking campaign first came to light.

Cybersecurity agency CISA said in a call with reporters the affected telecom giants are still trying to evict the hackers, in part because it’s unclear what the hackers are aiming to accomplish.

News first broke in October that Salt Typhoon was reportedly deep inside the networks of AT&T, Verizon, and Lumen (formerly CenturyLink), among others. T-Mobile said it was targeted but largely rebuffed the attackers. The access allowed the Chinese hackers to access real-time unencrypted calls and text messages, as well as metadata about who the communications were sent to and from, as they traveled over the phone carriers’ networks.

U.S. officials believe the industry-wide hacks may be China trying to carry out a wide-ranging spying operation, as the hackers were found accessing the communications of U.S. officials and senior Americans, including presidential candidates. Salt Typhoon is also believed to be targeting systems that house much of the U.S. government’s requests, which may help to identify Chinese individuals under U.S. government surveillance.

“Encryption is your friend; whether it’s on text messaging or if you have the capacity to use encrypted voice communication,” said the CISA official.

  • This is actually quite good news!
    Hear me out though.

    Encryption has been under attack by government instances for a while now.

    They always aim to weaken / backdoor it,
    so that they can spy on all their citizens.

    China abused the backdoor implemented by the US government,
    which sends a message across the world,
    being: “Do not backdoor encryption to spy on your citizens, or other countries might abuse it

    Hopefully this will put a stop to governments attacking encryption, at least for a while,
    since now they’re reminded of the risks which it brings! :)

    • Yes, I would also have a nitpick for the authorities (and journalists who report on the issue) in that China didn’t hack the providers, it hacked the U.S. Wiretap system. This is an important detail. There is no such thing as a ‘backdoor only for the good guys’.