A massive data leak that occurred earlier this week might not be the largest in terms of the number of people affected, but it could be more damaging, as it will put half of the US population at risk of fraud for an indefinite period, according to experts. The Equifax server breach, as finally acknowledged earlier this week by the company — a US Credit Bureau — could see half of the US at risk of fraud for an indefinite amount of time, according to Dan Goodin, security editor for Ars Technica. While the sheer number of people affected in the breach are not as massive as several earlier hacks, the Equifax hack contains extremely sensitive personal data. According to Goodin, while earlier wide-ranging attacks on Yahoo exposed login details for some 1 billion users, and an additional breach at AdultFriendFinder — a social network devoted to sexual liaisons — exposed data for some 412 million users, both have been seen as inconvenient but not dangerous as, in most cases, the risk could be