2005

From Chapter 2: Botnets Overview of Craig A. Schiller’s Botnets: The Killer Web App (Syngress: 2007):

The first criminal case involving a botnet went to trial in November 2005. Jeanson James Ancheta (a. k. a. Resili3nt), age 21, of Downey, California, was convicted and sentenced to five years in jail for conspiring to violate the Computer Fraud Abuse Act, conspiring to violate the CAN-SPAM Act, causing damage to computers used by the federal government in national defense, and accessing protected computers without authorization to commit fraud.