Defending against viruses, worms and DoS attacks: new technologies are continually becoming available, but the problem goes beyond technology.(NETWORK SECURITY)

Business Communications Review, December, 2005 by Robb, Drew

It is easy to secure the perimeter when the borders are well defined and all the troops wear uniforms. But the world doesn't see many of those wars any more. Rather, the enemy is within, and security relies not on guarding borders, but on maintaining constant vigilance to detect friend from foe. This clearly applies when looking at the conflict in Iraq or homeland security, but neither do the old rules of engagement apply to IT security.

"It is relatively easy to keep malware content out of the environment on the Internet side of the house, but internally, the infrastructure is a huge challenge," said Andre Gold, director of information security for Continental Airlines in Houston. "There is no more outside/inside, only varying levels of trust in your...

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