Microsoft Word wlan security Assessment Countermeasures Final Draft Modified[1]



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4.1 WLAN SECURITY ATTACKS
Attacks on wireless LANs are aimed at the confidentiality and integrity of an information, and network availability. These security attacks can be passive or active.
Passive attack consist of unauthorized access to an asset or network for the purpose of eavesdropping or traffic analysis, but not to modify its content. This is tricky to detect because data is unaffected. Consequently, emphasis is on prevention (encryption) not detection.

Active attacks an unauthorized access to an asset or network for the purpose of either making modifications to a message, data stream, or file, or to disrupt the functioning of a network service.

The diagram below shows a general taxonomy of WLAN security attacks.

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