Arrests in ESP data breach

The FBI announced today arrests of three people in the ESP data breaches from the compromises of various ESPs a few years ago.
Krebs on Security: Feds Indict Three in 2011 Epsilon Hack
Department of Justice: Three Defendants Charged with One of the Largest Reported Data Breaches in U.S. History
After stealing over a billion addresses from 8 ESPs, the lists were monetized through affiliate marketing. The owner of the affiliate program was one of the people arrested.
More on Monday.