Yahoo users exposed to malware attack

Yahoo visitors clicking on an ad are redirected to a site armed with code that exploits vulnerabilities in Java and installs a variety of different malware.

Yahoo.com visitors over the last few days may have been served with malware via the Yahoo ad network, according to a security firm in the Netherlands. Users clicking on some of the ads were redirected to sites armed with code that exploits vulnerabilities in Java and installs a variety of different malware. In a blog post, Fox IT estimated that, based on sample traffic, the number of visits to the site carrying the malicious code was visited around 300,000 times per hour.

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