Messaging app Signal is at the centre of questions about security and the operation of government after a journalist said he had been added to a group chat in which secret and official US plans were ...

The federal office in charge of ensuring cybersecurity at all levels of the government cited the use of encrypted messaging app Signal as a "best practice" for "highly targeted" government officials, ...

The president of Signal defended the security of the encrypted messaging app on Tuesday after a bombshell report revealed top Trump administration officials used the app to discuss airstrike plans ...