In some cases NSA has masquerades as a fake Facebook server using Social media Site as launching pad to infect target's computer and exfiliate files from hard drive.
I others has sent out spam emails lached with Margaret, which can be tailored to covertly record audio from a computer's microphone and take snapshots with its Webcam.
The hacking system have also enabled NSA to launch cyber attacks by corrupting and disrupting file downloads or denying access to websites.
Before NSA ca extract data from the target it must first install malware on a targeted computer or network.
Another method used by NSA is named "man in the middle" which covertly force a user's internet browser tonroute to a NSA computer servers that try to infect them with an implant.
And for all liberties we have lost thus mass surveillance program is not particularly effective. A 2014 study of terrorism cases by New America Foundation showed that NSA massive phone record collection has been virtually useless in preventing terrorists attacks.
According to "Privacy International " a London based group dedicated to fighting for the Privacy rights around the globe " The indiscriminate widespread collection of of information has been and always will be bad law, inconsistent with human rights and democratic values.the International surveillance apparatus set up by intelligence agencies is in direct conflict with human rights.
The mass surveillance programs operated by the US and UK governments are in conflict with the right to privacy.. and human rights.
In 2014 Angela Merkel canceled of Germany, (country that was close ally with US), phone was tapped and she was denied access to her NSA file.
Obama government refused to enter into a mutual "no -spy" agreement with Germany
BIBLIOGRAPHY
"Population Control How Corporate Owners are Killing Us "by Jim Marrs