Signal received a grand jury subpoena for Signal user data
Thu 6 Oct 2016, 14:38

In the "first half of 2016" Open Whisper Systems (developers of the Signal messaging platform), received a subpoena from the Eastern District of Virginia requiring them to provide information about two Signal users for a federal grand jury investigation. 

UK government pushes for companies to weaken encryption
Wed 31 May 2017, 18:00

The terrorist attack in Manchester on 22 May has led to a relaunch of the encryption debate in the UK.

In December 2016, the UK parliament passed the Investigatory Powers Act. This wide-ranging surveillance law gives government ministers the power to issue Technical Capability Notices (TCNs), which can force companies to modify their products.