The top executive for much maligned online ad firm Zango went on the defensive today against Fortinet, six days after the security vendor posted an advisory implying Zango was responsible for a malicious widget on Facebook.

The top executive for much maligned online ad firm Zango went on the defensive today against Fortinet, six days after the security vendor posted an advisory implying Zango was responsible for a malicious widget on Facebook.

Researchers at Fortinet have discovered what they believe to be the first malicious widget to appear on the popular social networking site Facebook.

Facebook users are being warned about a new application on the social networking site that contains badware/b. ‘Secret Crush’ contains a download of the Zango badware/b program which automatically sends itself to five friends. …