Understanding Mobile Devices

Mobile devices, including smartphones, e-readers, tablet computers, and personal digital assistants (PDAs), are popular. Many of these devices use either RF signaling or cellular technologies for communication. Figure 12-5, for example, shows an Amazon Kindle looking for wireless networks.

Figure 12-5: Wireless scanning is done by a wide variety of devices such as the Kindle.

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If the device uses the Wireless Application Protocol (WAP), the device in all likelihood doesn’t have security enabled. Several levels of security exist in WAP:

Anonymous Authentication This allows virtually anyone to connect to the wireless ...

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