The latest discussion of privacy invading apps flowed from the discovery that Twitter and some other iPhone apps were uploading users contact lists without their knowledge. Now, a researcher at Veracode has written a small app that allows users to figure out exactly which iOS apps are doing what with their personal data. Angry Birds does it, Citibank does it; Google apps do it, and a number of lesser-known games do it. The Twitter app for iOS has a feature that enables users to scan their phones for contacts whom they’d like to add to their Twitter contacts.
Source: https://threatpost.com/adios-finds-ios-apps-capable-dumping-users-contacts-021712/76233/