Gartner believes that by 2017, more than 50% of the network attacks, both inbound and outbound, will use encrypted SSL/TLS communications. Attackers are focusing on the use of SSL/TLS, because they know the majority of organizations blindly trust encrypted communications and don’t (or can’t) decrypt, making them unable to assess and block threats that leverage SSL/TLS. Ref.: http://www.slideshare.net/RichardMc...cybercriminals-hiding-in-ssl-traffic-46110317