Why prevention is better than cure

摘要

From government departments in South Africa to the U.K. Coast Guard to Taiwan's Postal Service to Delta Airlines, American Express and universities in the U.S., Sasser wreaked havoc and interrupted services last month. Articles about Sasser have started to disappear from the pages of the world's daily newspapers but savvy security professionals realize problems it caused will last weeks, probably months. As Tim Keanini, chief technology officer of vulnerability management company nCircle, pointed out, Code Red, one of last year's highly publicized worms, is still out on networks causing trouble. "It has taken on a life of its own," he says.