Source: cirosantilli/cia-2010-covert-communication-websites/breakthroughs
= Breakthroughs
Some less-trivial breakthroughs:
* finding <2013 DNS Census>
* <CGI comms> characterization
* <secure subdomain search on 2013 DNS Census> let to a few hits
* <2013 DNS Census virtual host cleanup heuristic keyword searches> was massive and led to many new ranges