What is rogue anti-spyware? Rogue anti-spyware programs are defined by spyware and anti-spyware expert Eric Howes on the Rogue/Suspect Anti-Spyware Products and Sites page. “Rogue/Suspect” means that these products are of unknown, questionable, or dubious value as anti-spyware protection. Some of the products listed on this page simply do not provide proven, reliable anti-spyware protection