Wireless Security

Wireless Security is a critical aspect of network protection, especially as wireless networks expose data to potential interception within their broadcast radius. Wireless networks employ several security measures to protect data transmission. The most common security protocols include: 1. WEP (Wired Equivalent Privacy): An older standard that uses RC4 encryption with static keys. It's now considered highly vulnerable due to serious flaws in its implementation. 2. WPA (Wi-Fi Protected Access): Developed as an interim solution to address WEP's vulnerabilities, using TKIP (Temporal Key Integrity Protocol). 3. WPA2: The current standard using AES encryption with CCMP, offering much stronger security than its predecessors. Available in Personal (pre-shared key) and Enterprise (802.1X authentication) versions. 4. WPA3: The newest standard with enhanced encryption, protection against brute force attacks, and improved security for public networks. Additional wireless security measures include: - MAC filtering: Restricts network access to devices with approved MAC addresses. - SSID hiding: Prevents the network name from broadcasting publicly. - Captive portals: Web pages requiring authentication before granting network access. - 802.1X authentication: Framework for port-based access control using EAP methods. - Wireless intrusion prevention systems (WIPS): Monitor for and respond to unauthorized access attempts. - Geofencing: Limits wireless network access to specific physical areas. Best practices for wireless security implementation include: - Using strong, complex passwords for network access - Implementing the most robust encryption available (WPA2/WPA3) - Regularly updating firmware on wireless access points - Segmenting wireless networks from sensitive internal networks - Implementing guest networks separate from primary networks - Using two-factor authentication when possible - Regular security audits and penetration testing

Wireless Security is a critical aspect of network protection, especially as wireless networks expose data to potential interception within their broadcast radius. Wireless networks employ several sec…

Concepts covered: SSID Broadcasting, Wi-Fi Protected Setup (WPS), WPA, WPA3, Wireless Intrusion Prevention System (WIPS), RF Jamming, WEP, WPA2, Rogue Access Points, MAC Address Filtering