In a sign that it is continuing to digest the technology it swallowed with three high-profile purchases last July, Symantec Corp. has announced an upgrade to the DeepSight Threat Management System, which it acquired with its purchase of SecurityFocus Inc.
U.S. President George W. Bush's top cybersecurity advisor defended his boss's Internet security agenda but called for help from everyone from large corporations to individual Internet users to protect the U.S. homeland by protecting their own little piece of cyber turf.