For Sale: Thousands of Hacked Twitter Accounts

Be wary.

In many cases the buyers are conducting a lucrative trade by hawking phony antivirus products via tweets sent through these accounts. "The technique of stealing account credentials and posting malicious links on Twitter is more and more popular," and has surged in the past two months, says Costin Raiu, director of the global research and analysis group for the Moscow-based antivirus company Kaspersky Lab. "Cybercriminals are recognizing that social networking sites can be abused very efficiently for their needs."