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 ...

Signal is one of the best encrypted messaging apps for Android, if not the very best in the business. Its extensive privacy features make it the preferred messaging platform for millions of people ...

The eye-popping scandal surrounding the Trump cabinet’s accidental invitation to The Atlantic’s editor in chief to join a text-message group secretly planning a bombing in Yemen has rolled into its ...