
SPY Ware removal tool: ADAWARE, http://www.lavasoft.com
There are many variants of Spyware detection and removal. From experience this is one of the best IMO , without sales nagging or buy to delete scenarios.
Antivirus: AVG Free, http://free.avg.com/au-en/homepage
VISTA, XP, iMAC and LINUX all like this, a Antivirus with real time monitoring solution.
Netcraft supply an anti-phising toolbar for either Mozilla or Internet Exploder, download from Netcraft here.
For Internet browsing melecom suggests FIREFOX, once downloaded it will keep itself up to date automatically, with the added advantage of not being as vulnerable as other browsers could be.