Key-Tracking Virus Spreading Rapidly, Experts Warn

An Internet worm that leaves infected computers vulnerable to future hacking by tracking what is typed on the keyboard, including passwords and credit card details, was spreading rapidly, computer security companies warned. The worm, called "Badtrans," spreads through Microsoft Corp. Outlook or Outlook Express e-mail programs and automatically sends itself to unanswered e-mails, several anti-virus companies say.