A federal court judge has ruled that Canada's domestic spy agency can continue to use contentious cellphone surveillance devices without a warrant, in some cases. The devices are perhaps better known as IMSI Catchers or Stingrays, and pretend to be legitimate cellphone towers in order to collect information. CSIS does need a warrant if it wants to use the technology to determine the location of a device. Federal Court Chief Justice Paul Crampton issued a ruling on Tuesday examining whether CSIS' use of controversial cellphone surveillance technology was unlawful. 'Minimally intrusive,' court rulesFor the case in question, CSIS was investigating the activities of a suspect in connection with what the court described as "Islamist terrorism."

Source: CBC News November 29, 2017 00:45 UTC