Yahoo Malware Attack Affects Thousands Of Users
Thousands of Yahoo.com visitors were served with malicious software due to a security breach on the Yahoo ad network.By Jamal Andress | January 5, 2014
Thousands of Yahoo.com visitors were served with malicious software due to a security breach on the Yahoo! ad network.
Security blog Fox-IT discovered the breach on Friday, writing: "Clients visiting yahoo.com received advertisements served by ads.yahoo.com. Some of the advertisements are malicious."
Fox-IT also estimates that about 9 percent of visitors to the malicious site through a Yahoo! ad were infected by the malware, which is about 27,000 infections per hour. The first sign of infection dates back to Dec. 30.