U.S. leaders say there has been an act of cyber espionage and are suggesting something called encryption—to keep messages protected. Cybersecurity expert Patrick Jones says using the correct apps can be what protects your information from being leaked.

In a surprising twist, the FBI—alongside CISA—has suddenly warned iPhone and Android users to use encrypted messaging and calls where available. This follows an extensive US telco network hacking campaign attributed to China’s Salt Typhoon, with officials warning of “a broad and significant cyber espionage campaign.”