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Wireless Security. Presented by Colby Carlisle. Wireless Networking Defined. A type of local-area network that uses high-frequency radio waves rather than wires to communicate between nodes. . Issues. No need for physical access Easy and convenient to use

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Wireless security

Wireless Security

Presented by Colby Carlisle


Wireless networking defined
Wireless Networking Defined

  • A type of local-area network that uses high-frequency radio waves rather than wires to communicate between nodes.


Issues
Issues

  • No need for physical access

  • Easy and convenient to use

  • Confidentiality and Integrity concerns for users

  • Technologies commonly used to secure networks are vulnerable to attacks


The tradeoff
The Tradeoff

  • Linksys Routers

  • Zero Configuration


Be careful whom you associate with
Be careful whom you associate with...

  • Malicious Associations

    • Exploits how users connect to AP’s

    • Can create backdoors into other networks

  • Man-in-the-Middle

    • Hotspotter


What can you do
What can you do?

  • Use encryption

    • WEP

    • WPA

    • WPA2


WEP

  • Wired Equivalent Privacy

    • Still widely used

    • Encryption algorithm flawed

      • Vulnerability widely known

      • Kismet


WPA

  • WiFi Protected Access

    • Intermediary step between WEP and WPA2

    • Temporal Key Integrity Protocol

    • Personal vs. Enterprise


WPA2

  • Implements mandatory elements of the 802.11i standard

    • Advanced Encryption Standard


Steps to securing your network
Steps to securing your network

  • Use the best encryption possible

  • Change your router’s default configuration

  • Disable the SSID broadcast option

  • Disable DHCP

    • Enable MAC address filtering if possible


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