Some Lenovo laptops that have shipped since August include a pre-installed adware program known as Visual Discovery by Superfish. While Superfish is designed to serve ads, it reportedly does so in a dangerous way that leaves users vulnerable to hackers. While Lenovo claims that it has investigated the tech and does “not find any evidence to substantiate security concerns,” Internet security analysts suggest a major problem still exists. The Department of Homeland Security warns that Superfish makes users vulnerable to SSL spoofing. Continue reading Security: Government Urges Removing Superfish from Laptops

Social network Pinterest has purchased a startup that powers a machine-learning recommendation engine. The seven-person company Kosei, which was founded less than a year ago, has developed a graph that understands the relationships between millions of products. Image-driven Pinterest can use this recommendation engine to help detect spam, recommend more relevant pins, and target its advertising. Pinterest just rolled out advertising on its platform earlier this month. Continue reading Pinterest Acquires Kosei to Help Improve Pin Recommendations