Our mobile devices and storage media hold huge amounts of data. Even when we assume all is erased, some content can remain stored to memory partitions of the device in which only data extraction and forensic interrogation can retrieve.
Our mobile phones and tablets are fast becoming a replacement for laptop & desktop as the ultimate pocket computer with vast amounts of information being transmitted and stored on these devices. Private investigators and police have access to professional recovery tools of which have become an important part of any investigative process including the capability to restore and read wiped data and passwords from encrypted devices.
Forensic data recovery tools are in demand and available in the form of iPhone & Android Recovery software, pornographic and chat log recovery, and media recovery from storage devices including hard drives, smart cards and USB flash memory.