Forward Secrecy or Perfect Forward Secrecy is a property of a cipher suite
that ensures confidentiality even if the server key has been compromised.
Thus if traffic has been recorded it can not be decrypted even if an adversary
-has got hold of the decryption key
+has got hold of the server key
\footnote{\url{http://en.wikipedia.org/wiki/Forward\_secrecy}}
\footnote{\url{https://www.eff.org/deeplinks/2013/08/pushing-perfect-forward-secrecy-important-web-privacy-protection}}.