1. Programs to detect and remove spyware 2. Programs to prevent the installation of spyware 3. Programs to erase computer and/or internet usage history
L. Baresi, C. Ghezzi, и S. Guinea. ICSOC '04: Proceedings of the 2nd international conference on Service oriented computing, стр. 193-202. New York, NY, USA, ACM Press, (2004)