A new Trojan horse is in the wild, promising a glimpse of a naked woman in an e-mail. What it delivers is a debilitating infection that deletes files and makes computer rebooting impossible. The new ...

Osama Bin Laden may have been quiet for some time, but a virus named after him is still wreaking havoc in cyberspace. E-mails promising pictures of the Saudi-born fugitive hung or captured continue to ...

Most viruses check to avoid reinfecting an existing host. The problem lies in what we call the payload, the action that the virus takes besides replicating itself. Early experimental viruses might ...