On several occasions, Bombard instructed his network of computers to flood computers or networks he targeted with so many requests for attention at the same time, that they were overwhelmed and became disabled trying to respond. One attack cost Akamai more than $41,000 in response costs and lost revenue.

Akamai suffered a significant increase in Web traffic to many of its domain name servers that was caused by the DDOS against Akamai's global traffic management servers, which served many customers, Sullivan said previously. Access to the Web sites of those customers was slowed or rendered inaccessible for a period of time, according to the statement.