December 2018
Beginner to intermediate
328 pages
8h 29m
English
Content preview from Learning Android Forensics - Second Edition
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How can deleted files be recovered?
When a user deletes any data from a device, the data is not actually erased from the device and continues to exist on it. What gets deleted is the pointer to that data. All filesystems contain metadata, which maintains information about the hierarchy of files, filenames, and so on. Deletion will not really erase the data but instead removes the file system metadata. Thus, when text messages or any other files are deleted from a device, they are just made invisible to the user, but the files are still present on the device as long as they are not overwritten by some other data. Hence, there is the possibility of recovering them before new data is added and occupies the space. Deleting the pointer and marking ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.