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Enhancing WLAN Security: Tips and Techniques

Explore the importance of securing Wireless Local Area Networks (WLAN) and learn practical methods to safeguard them. Understand IEEE 802.11 standards, default settings, encryption methods, and authentication protocols to prevent unauthorized access and protect data. Thank you for your attention.

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Enhancing WLAN Security: Tips and Techniques

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  1. Security of Wireless Local Area Network Adrián Lachata Štefan Pero

  2. Why should we interest in security of WLAN?

  3. How we can make WLAN safe? Standard IEEE 802.11 • Change default settings (IP addresses, login, password etc) • Disable SSID broadcast • MAC filtering • extension WEP, WPA, WPA 2...

  4. WEP (Wired Equivalent Privacy) • Authentication • Open System authentication • Shared Key authentication(everyone shares the one key)

  5. WEP encryption Picture 1: Basic WEP encryption: RC4 Keystream XORed with plain text.

  6. WEP weaknesses Attacks Passive Attack to Decrypt Traffic Active Attack to Inject Traffic Active Attack from Both Ends Table-based Attack

  7. WPA (Wi-Fi Protected Access) • WPA • TKIP • WPA 2 • AES • EAP …

  8. Thank you for your attention

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