"Surveillance powers" refers to the authority or capabilities of individuals, groups, or organizations to monitor and observe people or activities in order to gather information. Full definition
So we try to fit it into whatever intellectual framework we have: the lack of surveillance powers, western foreign policy, open borders, gun control. (politics.co.uk)
As attorney general, you have overseen a dramatic expansion of government surveillance power in the name of national security. (legalblogwatch.typepad.com)
Such sweeping surveillance powers can threaten the privacy of ordinary citizens, and thereby fundamental liberties. (blog.politics.ox.ac.uk)