LESS THAN HALFWAY through the first calendar month of 2003, and already end-users have had to stave off computer threats such as a DHCP multiple buffer overflow vulnerability, the Sobig worm, the Lirva worm, and remnants of the Yaha virus. Blended and longer lifespan malicious code attacks are expected to run rampant in the new year, but they are far from the only dangers angling to make life miserable for security administrators.

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