A new review of the UK's mass surveillance powers includes case studies from intelligence agencies.
Judges have ruled Tor users have 'no expectation of privacy.’ This one-man internet provider disagrees.
The Competition and Markets Authority is one of many agencies with hacking powers.
The report, based on Freedom of Information requests, found 2,315 incidents of inappropriate access or distribution of data across five years.
"Suspects are being left in the dark."
An NCA official said on Tuesday that under the Investigatory Powers Bill, the agency could request Apple to remove encryption.
Newly published evidence from law enforcement bodies gives examples of how the NCA uses hacking tools against cybercriminals.
The Investigatory Powers Bill entered Parliament on Tuesday, with some changes from earlier drafts.