'Bulk hacking' by UK spy agencies is illegal, high court told

Rights group argues powers of MI5 and GCHQ to obtain and store data breach human rights

"Bulk hacking" powers exploited by the intelligence services to access electronic devices represent an illegal intrusion into the private lives of millions of people, the high court has been told.

In its latest challenge to the 2016 Investigatory Powers Act (IPA), the civil rights organisation Liberty has argued that government surveillance practices breach human rights law.