His research has shed significant light on the use of sophisticated surveillance technologies by US law enforcement agencies, exposing such techniques to public debate and criticism.

[8] Soghoian's Internet service provider voluntarily shut down the website, after it received a letter from the FBI claiming that the site posed a national security threat.

[17] Soghoian has in recent years continued his HTTPS advocacy, calling on news media, law firms, government agencies and other organizations to encrypt their own websites.

[20] That recording was subsequently cited by Alex Kozinski, Chief Judge of the Ninth Circuit Court of Appeals in U.S. v. Pineda-Moreno, in support of his view that "1984 may have come a bit later than predicted, but it's here at last".

[26] In May 2011, Soghoian was approached by public relations firm Burson-Marsteller and asked to write an anti-Google op-ed, criticizing the company for privacy issues associated with its social search product.

In a February, 2012, public speech, Soghoian criticized the commercial market for so called zero-day security vulnerabilities, a topic which, until then, had yet to receive significant attention from the mainstream press.

[31][32] In an August, 2013, presentation at the hacker conference DEF CON, Soghoian highlighted the existence of a dedicated FBI team that delivers malware to the computers and mobile devices of surveillance targets.

In his presentation, Soghoian stated that he discovered the team by reading heavily redacted government documents and by looking at the profiles of ex-FBI contractors on the social network website LinkedIn.

[33] In October, 2014, Soghoian called attention to the fact that the FBI had, in 2007, impersonated the Associated Press in an effort to deliver malware to a teenager in Washington state who had threatened to bomb his high school.