Compaq Evo n800c Wireless Security - Page 12

to control how far radio waves travel, hackers can access the data as it is transmitted through

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Wireless Security White Paper 12 Compaq provides turnkey solutions: clients with enabling technologies, airtime provided by carriers, area network coverage, and optimized features. Compaq WWANs using CDPD and GSM technologies are available now. WWAN via CDPD, for example, provides packet-switched connections to the Internet, Internet e-mail, enterprise intranet and corporate e-mail. Compaq offers an optimized MS Exchange e-mail solution with InfoWave. Nationwide (U.S.) coverage is available. Wireless WAN via GSM, as another example, provides circuit-switched connection to the Internet, Internet e-mail or enterprise modem pool. As with CDPD, an optimized MS Exchange solution is provided with InfoWave. Figure 4 illustrates a WWAN. Figure 4: Wireless Wide-area Network Whether it is a WLAN, a WPAN, or a WWAN, a wireless network uses radio waves to transmit information. Radio waves travel over an unshielded medium, which is air. Because all wireless networks operate on the same frequency and with the same equipment, and because it is difficult to control how far radio waves travel, hackers can access the data as it is transmitted through the air when the data is not properly encrypted. Such eavesdropping and possible theft of information violates privacy. Gaining access to corporate passwords, logging on to servers, and taking over a website (impersonation, which violates authentication and possibly integrity), or even shutting the network down (sabotage, which overwhelms all the elements of security) are vulnerabilities exposed with data traveling over radio waves.

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Wireless Security White Paper
12
Compaq provides turnkey solutions: clients with enabling technologies, airtime provided by
carriers, area network coverage, and optimized features. Compaq WWANs using CDPD and
GSM technologies are available now. WWAN via CDPD, for example, provides packet-switched
connections to the Internet, Internet e-mail, enterprise intranet and corporate e-mail. Compaq
offers an optimized MS Exchange e-mail solution with InfoWave. Nationwide (U.S.) coverage is
available. Wireless WAN via GSM, as another example, provides circuit-switched connection to
the Internet, Internet e-mail or enterprise modem pool. As with CDPD, an optimized MS
Exchange solution is provided with InfoWave.
Figure 4 illustrates a WWAN.
Figure 4: Wireless Wide-area Network
Whether it is a WLAN, a WPAN, or a WWAN, a wireless network uses radio waves to transmit
information. Radio waves travel over an unshielded medium, which is air. Because all wireless
networks operate on the same frequency and with the same equipment, and because it is difficult
to control how far radio waves travel, hackers can access the data as it is transmitted through the
air when the data is not properly encrypted. Such eavesdropping and possible theft of information
violates privacy. Gaining access to corporate passwords, logging on to servers, and taking over a
website (impersonation, which violates authentication and possibly integrity), or even shutting the
network down (sabotage, which overwhelms all the elements of security) are vulnerabilities
exposed with data traveling over radio waves.