Computer Fraud and Abuse Act, 18 U.S.C. § 1030.
U.S. Justice Dep’t List of Recent Computer Crime Cases (Note — you don’t need to read any of the linked press releases, just get a sense for what kinds of cases they bring )
U.S. v. Ivanov, 175 F.Supp.2d 367 (D. Conn. 2001)
U.S. v. Willis, 476 F.3d 1121 (10th Cir. 2007)
Butera & Andrews v. IBM Corp., 456 F. Supp.2d 104 (D.D.C. 2006)