Gmail, Yahoo and Hotmail systematically abused by spammers

With the industry’s eyes constantly monitoring the usual suspects’ use of phony hosting providers, another market segment within the underground marketplace has been developing beneath the radar, aiming to build a malicious infrastructure (Spammers targeting Bebo, generate thousands of bogus accounts; Malware and spam attacks exploiting Picasa and ImageShack) through efficient CAPTCHA recognition. Read more...