Practical Mobile Forensics - Third Edition

Secure applications

If data is secure and self-destructing, did it ever even exist? Ignore the claims of data retention and hunt for that data, as these apps often make claims that are simply untrue. Although applications are designed with security in mind, updates are released quickly and quality assurance checks may not be strong enough to catch everything. On occasion, you will find an app with an encrypted or nonexistent database, but the file includes a journal, write-ahead logs, or shared memory files that contain portions of chats that were supposed to be encrypted. In addition to this, the user can save media files that are shared, take screenshots of conversations, and do much more. Often, you may uncover the images, audio, and video ...