You’ve probably heard of malware-laden ads causing havoc on the web, but rarely on this scale. Malwarebytes has discovered a malware campaign that was using Yahoo’s ad network to target legions upon legions of visitors — Yahoo’s main site racks up 6.9 billion visits per month. While it’s not clear what would happen if you fell victim to an attack, the Flash-based exploit kit linked to the campaign typically includes both ad fraud and ransomware . In short, there’s a real chance that you could have been locked out of your PC simply by checking on your fantasy sports league . Notice the emphasis on the past tense, though. Yahoo was quick to take this “malvertising” campaign down, so you’re not at risk as I write this. Even so, it’s not exactly comforting that malware writers could even slip their code into such a large ad network. Yahoo’s still investigating what happened, but it appears that online ad giants may need stricter filters on what gets through. [Image credit: AP Photo/Marcio Jose Sanchez] Filed under: Internet Comments Via: New York Times Source: Malwarebytes Tags: ads, advertising, flash, internet, malvertising, malware, ransomware, security, web, yahoo
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Huge malware campaign used Yahoo’s ad network
