Google may put an end to pop-up dialogs, a technique used by scammers to scare computer and smartphone users into paying for things they really don't need.

The flaw would allow a phishing attack in which a malicious JavaScript pop-up window appeared in front of a trusted Web site, Secunia said in an alert published Tuesday in the US.

Finally, with a dialog your communication with the server involves less overhead than first displaying a completely new page and then re-displaying the original page: your application is more scalable ...