Keep a careful eye on your Twitter account. Kaspersky Lab researchers say cybercriminals are hacking Twitter user names and passwords, and selling them on the internet for hundreds of dollars. ComputerWorld reports, data-stealing malware is spreading fast. And software for stealing multiple pieces of data from victims is growing fastest of all. Besides Twitter information, such malware clips credentials for online gaming and banking. Kaspersky estimates 70,000 such programs are in the wild.