March 2026
Intermediate to advanced
400 pages
15h 45m
English
Content preview from WIRELESS & MOBILE DEVICE SECURITY Third Edition, 3rd Edition
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Fingerprinting Methods
The problem with fingerprinting a mobile device is that to be effective, fingerprinting characteristics must be diverse enough to be unique. Uniqueness based on diversity is the best way to ensure that no two devices have the same fingerprint. This is not always easy to achieve, however—especially with iPhones, which are closed systems with factory-set configurations.
The characteristics or identifiers used to fingerprint a mobile device must also be stable. That is, its fingerprint must remain unique over time. Some sets of identifiers may be unique at any given time, but if the characteristics can be easily changed by a user, then they cannot be considered stable. If a fingerprint is not stable, then it cannot be used ...
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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.