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How to thoroughly wipe your phone before selling it

Make sure your Android phone is wiped clean before you sell it. Every day, tens of thousands of people sell or give away their old mobile phones. We decided to buy some of these used phones to test whether they had been wiped clean of their data. What we found was astonishing: 40,000 photos including […]

Android Forensics, Part 2: How we recovered (supposedly) erased data

Introduction to Android forensics (aka CSI: Android) Digital forensics is a branch of science which deals with the recovery and investigation of materials found in digital devices. Forensics is usually mentioned in connection with crime, vaguely similar to criminal investigations on TV shows like CSI: Crime Scene Investigation and NCIS. However, several experiments (1, 2), […]