Joe Stewart is the director of malware research at SecureWorks, and he has created a neat Web page that instantly and visually tells you if you're likely to be infected by the Conficker worm.
It works by presenting a page of Website logos. Because the Webpage drags down images of Websites that are blocked by the Conficker worm (to prevent you from visiting computer security Websites, for instance), it can diagnose the likelihood of your PC being infected.
Of course, you can't check all of your computers with Joe's method. Given that Conficker has network- and USB-spreading capabilities, a lot of PCs will be infected that don't have an Internet connection. And it's always possible that a new strain of Conficker comes out that his page doesn't know about, or that other connectivity problems could give you a false impression of the status of your PC.
Even so, it's genius in that way that the most wonderfully simple things always are. I love it.
Graham Cluley is senior technology consultant at Sophos, and has been working in the computer security field since the early 1990s. When he's not updating his other blog on the Sophos website you can find him on Twitter at @gcluley. Special to Dark Reading.