Better known as "Severa," the Russian man was extradited to the U.S. three years ago.

Big attacks can have long tails.

The numbers coincide with an advertising boycott organized by civil rights groups over the company's role in amplifying misinformation.

Trend Micro research reveals the Russian hacking group is resorting to simple tactics to fulfill its intelligence gathering mission.

The action is the result of eight yesrs of tracking and planning, the company said.

A South Carolina businessman created a secondary market for IP addresses, the indictment alleges.