Scammers and spammers soon will have a tougher time masking links to their malicious Web sites using bit.ly, one of the more popular link-shortening services out there: The company said this week it is teaming with three security firms to warn users when a shortened link looks like it leads to badness. Criminals increasingly are abusing URL-shortening services to disguise the true destination of both phishing Web sites and those that host malicious software. Some of the most prolific and automated of these attacks take place on social media sites like Facebook and Twitter, networks that are far less useful and fun if users can’t feel relatively comfortable clicking links. In response, bit.ly will by the end of the year be working with Sophos, Verisign and Websense to scrub some 40 million shortened links each day for those linking to malware, spam and phishing Web sites, the company said this
