Hi All HTTP response headers (declarative security - X-Frame-Options, X-Content-Security-Policy etc) force the browser to implement inbuilt security mechanism against related web attacks. We have released Firefox addons that finger prints the presence of declarative security headers in every page which is visited by the user. Precisely, a information gathering addons. Project Page : http://www.secniche.org/declsec/ Aditya K Sood SecNiche Security Labs http://www.secniche.org