US government urges high-ranking officials to lock down mobile devices following telecom breaches

The U.S. government is urging senior politicians and high-ranking officials to lock down their devices amid the ongoing Chinese breaches of at least eight major telecom providers.

In an advisory on Wednesday, U.S. cybersecurity agency CISA said that “highly-targeted officials,” including those in government, should enable advanced security features, such as Apple’s Lockdown Mode, which limits ​​the functionality of iPhones to limit the phone’s overall attack surface.

The agency also recommends the use of phishing-resistant multi-factor authentication and telecom-level account PINs to protect against SIM-swapping attacks. 

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