IT security firm, Sophos, has warned Twitter users on a new attack that has led to thousands of accounts being compromised by hackers using a Web 2.0 botnet. The hijacked accounts are later used to spread money-making spam campaigns.

The security firm found out that fellow members of the micro-blogging network had posted messages disguised as humorous inks, but were actually aimed to phish passwords credentials from unsuspecting users.
 
These messages were accompanied with clickable links which...