Clipboards hijacked in web attack

Computer security firms are warning about an attack that hijacks the clipboard where copied text is stored.The attack puts a hard-to-delete weblink into the clipboard that, if followed, leads people to a website selling fake security software.The code that inserts the link has been found in flash-based adverts seen on many legitimate websites.
http://news.bbc.co.uk/2/hi/technology/7567889.stm