Anonymous Data Might Not Be So Anonymous After All

A recent study found that with just four data points, 90 percent of individuals could be accurately re-identified

Big data is often viewed as a panacea: it can fix the healthcare industry, it can provide marketers with the best data, and it can allow social networks to grow exponentially. But given all the data leaks in recent years, credit card data in particular, big data has been proven invasive and made it possible to track people like never before, even in anonymized data sets.