on the topic of disabling autorun, there was a patch earlier this year to disable autorun on non-shiny media by default in XP and Vista (it's already turned off in 7.)
http://blogs.technet.com/b/mmpc/archive/2011/06/14/autorun-a...
infections by autorun-abusing malware families dropped by over 60% as everything got patched, and total infection rate dropped by almost half.
on the topic of disabling autorun, there was a patch earlier this year to disable autorun on non-shiny media by default in XP and Vista (it's already turned off in 7.)
http://blogs.technet.com/b/mmpc/archive/2011/06/14/autorun-a...
infections by autorun-abusing malware families dropped by over 60% as everything got patched, and total infection rate dropped by almost half.