Malware writers have started setting up their own virtual data centers as a way of avoiding the attention of law enforcement.

"The criminals will buy servers and place them in a large data center and then submit an application for a large block of IP space," writes threatpost's Dennis Fisher. "In some cases, the applicants are asked for nothing more than a letter explaining why they need the IP space, Security researchers say."

"No further investigation is done, and once the criminals have the IP space, they've taken a layer of potential problems out of the equation," Fisher writes.

Click here to read the threatpost story.