Some of the web's bigger websites were flooded with a torrent of malicious banner ads after cyber crooks managed to sneak them onto syndication services operated by Google, Yahoo, and a third company, according to a security firm.
The ads - which attacked previously-patched vulnerabilities in Adobe's PDF Reader and Microsoft's DirectShow - starting appearing on sites such as the DrudgeReport, horoscope.com and lyrics.com last Friday, ScanSafe researcher Mary Landesman told The Register. They were delivered over networks belonging to Google's DoubleClick; Right Media'sYield Manager (owned by Yahoo); and Fastclick, owned by an outfit called ValueClick.

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