Snapchat dismisses concerns over exploit that may compromise user phone numbers

Snapchat is largely dismissing claims that its built-in friend-finding feature could be used by hackers to discover users' phone numbers. A security group detailed the potential exploit in August, explaining that by uploading enough phone numbers through Snapchat's address-book-lookup tool, a hacker could eventually find the phone number that belonged to a person whose username they knew within the app. From there, the hacker might be able to stalk or harass that person, or simply sell the info...