Federal officials are calling on telecommunication companies to boost national security by using encrypted messaging apps following an unprecedented Chinese hacking campaign against more than half a dozen telecom firms in the U.

Many encrypted communications apps protect user correspondence with so-called E2EE, or end-to-end-encryption. Usually, messages are scrambled in a way that theoretically allows a communication app’s developer to read their contents. E2EEE scrambles messages before they leave the user’s device, which means not even the app developer can access it.

A senior U.S. official revealed Wednesday that a Chinese hacking group known as 'Salt Typhoon' has stolen metadata belonging to a significant number

U.S. government agencies will hold a classified briefing for all senators on Wednesday on China's alleged efforts known as Salt Typhoon to burrow deep into American telecommunications companies and steal data about U.

U.S. government agencies are expected to hold a closed-door briefing for all senators on Wednesday regarding the "Salt Typhoon" hack by China, which tried to steal data by nestling deep into the infrastructure of American telecommunications companies,