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The United States and Europe need to bolster their defenses against cyberattacks, a U.S. congressman warns.
The story "Lawmaker: Beware of cyber-Pearl Harbor" published November 5, 2004 at 11:19 AM is no longer available on CNET News.
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The use of encrypted communications would make it extremely difficult for the terrorist/hacker to tap a wire in the private network and try to find out how the control system works simply by observing the message traffic. Encryption and related techniques, such as sequence numbering and message authentication codes, can be used to prevent the terrorist/hacker from inserting their own messages into the system.
-- Craig Johannsen, Critical Path Consulting, Inc.