Email security test
Are you sure your anti virus solution is enough? check whether your email system is vulnerable to email viruses, worms and other threats such as emails with potentially harmful attachments with vbs and clsid extensions, emails with malformed mime headers, html mails with embedded scripts and more. includes outlook 2002 and activex vulnerability tests.
http://www.gfi.com/emailsecuritytest/
Adware alert
adware alert
http://www.adwarealert.com/index.php?hop=sellmaster
Jotti's malware scan
Jotti's malware scan is a free online scan service, utilizing various anti-virus programs to diagnose single files.
http://virusscan.jotti.org/
Panda spyware scan
Malware information, threats, crimeware, rootkits, virus, spyware, phishing, spam, hoaxes. panda security, panda
http://www.pandasoftware.com/virus_info/spyware/
Sygate scan
sygate scan
http://scan.sygate.com/
Pc safety scan
Find and fix safety and performance issues on your pc for free online with windows live onecare safety scanner.
http://safety.live.com/site/en-us/default.htm
Trend-micro
Trend micro's free tools and services: overview and description.
http://www.trendmicro.com/spyware-scan/free_spyware_scan.asp