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Malicious advertisements served via Yahoo | Fox-IT International blog
http://blog.fox-it.com/2014/01/03/malicious-advertisements-served-via-yahoo/
Thousands of visitors to yahoo.com hit with malware attack, researchers say
http://www.washingtonpost.com/blogs/the-switch/wp/2014/01/04/thousands-of-visitors-to-yahoo-com-hit-with-malware-attack-researchers-say/
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Yahoo¡Çs ad[.]yahoo[.]com redirecting to exploit kit, malware ht @lennartdegraaff pic.twitter.com/eD2bOPjJ0N
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