… The review agency’s legal assessment of the measures looked at requirements in the CSIS Act that the spy service have “reasonable grounds to believe that a particular activity constitutes a threat to the security of Canada” and that the measure be “reasonable and proportional in the circumstances.”
Most of the measures “satisfied the requirements of the CSIS Act,” the report says.
But in a “limited number of cases” the spy service’s inclusion of people “without a rational link” to the threat meant the measures “were not ‘reasonable and proportional’ as required under the CSIS Act.”
