Malware attack hit Yahoo users

An Internet security company said a malware attack hit Yahoo’s advertising server, affecting tens of thousands of users per hour. In a blog post dated January 3, Fox-IT said users visiting yahoo.com received advertisements served by ads.yahoo.com. Some of the advertisements are malicious. It also said Yahoo’s servers released a kit that installed malware. Fox-IT said the countries most affected by the exploit kit are Romania, Great Britain, and France. In a statement, Yahoo confirmed advertisements that spread malware appeared from December 31 to January 3 on its European sites, but were quickly removed. The company also added the attacks did not affect North America, Latin America, the Asia Pacific region, and users on Macs and mobile devices.

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