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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Data Protection
The goal of data protection is to solve the inherent vulnerability of Wi-Fi to passive eavesdropping. Encryption is the best way to protect data in transit, although it comes with the challenge of how to securely share the encryption keys over an unencrypted connection. When encryption keys are not shared discreetly, attackers can steal and use them to decrypt even the strongest encryption.
Network traffic that is sent directly from one station to another is known as unicast. Traffic from one station to all stations is known as broadcast; and traffic from one station to a subset of stations is known as multicast. To provide complete security, each of these require a unique encryption key. The 4-way handshake creates all the keys ...
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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.