Malicious advertising hits Amazon, YouTube and Yahoo, Cisco says

Malicious advertisements have popped up on websites such as YouTube, Amazon and Yahoo, part of a sophisticated campaign to spread malware, Cisco said Monday. When encountered, the malicious advertisements cause a person to be redirected to a different website, which triggers a download based on whether the computer is running Windows or Apple's OS X, wrote Armin Pelkmann, a threat researcher. The network has been nicknamed "Kyle and Stan" due to those names appearing in subdomains of more than 7...