The list of threats on the Internet is long and getting longer each day. Cybercrime, nation-state attackers, cyber espionage and hacktivists all threaten the security and stability of the network and its users in one way or another. But the one threat that some experts have warned about for years and has never emerged is cyber terrorism, a former top U.S. intelligence official said.In the years after 9/11, as the Internet became an integral part of daily life in much of the world, some in the national security community warned that the network also would become a key conduit for terrorist attacks against a variety of targets. Utilities, critical infrastructure, banks and other vital pieces of the global economy would be choice targets for groups seeking to wreak havoc via electronic attacks. However, those attacks have not materialized.
http://threatpost.com/cyberespionage-not-cyber-terror-is-the-major-threat-former-nsa-director-says/105223