A pack of startups are providing tools meant to help organizations detect, identify and block denial-of-service (DoS) attacks. So far, however, the services are far better at the first two functions than the third.

Various new products alert administrators when patterns of a developing attack emerge. They then provide the ability to trace the attack to its origins and put filters in place to keep out the offensive traffic faster than they could do so without the tools. The systems use monitoring devices distributed at multiple network points including ISPs to analyze traffic.

The source article is at computerworld.com.