It installed itself by taking advantage of a vulnerability in Internet Explorer 4.x and 5.x that lets an unsigned applet to create and use ActiveX controls. Then it hijacked Brandon's browser, a term called "Web-jacking."

The latest challenge to that guarantee is 'Webjacking,' the nasty business of hackers hijacking legitimate Web pages and redirecting users to anywhere from pornography sites to sites set up for fraudulent business schemes.

A global Internet scam which took unsuspecting net users to pornographic sites then trapped them there has been broken with the help of Australia's competition watchdog….

Sites webjacked included information about children's Internet games, folk music or movie reviews.