I stopped using my cellphone for regular calls and text messages last fall and switched to Signal. I wasn't being paranoid'or at least I don't think I was. I worked in the National Security Council, and we were told that China had compromised all major U.S. telecommunications companies and burrowed deep inside their networks. Beijing had gathered information on more than a million Americans, mainly in the Washington, D.C., area. The Chinese government could listen in to phone calls and read text messages. Experts call the Chinese state-backed group responsible Salt Typhoon, and the vulnerabilities it exploited have not been fixed. China is still there. Telecommunications systems aren't the only ones compromised. China has accessed enormous quantities of data on Americans for more than a decade. It has hacked into health-insurance companies and hotel chains, as well as security-clearance information held by the Office of Personnel Management. The jaded response here is All countries...
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