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Wireless Security
Learn about WiFi security protocols, wireless attacks, and enterprise wireless security.
Wireless Security Protocols
WPA3 (Wi-Fi Protected Access 3)
Technical Details:
- • Key Length: 384-bit (Enterprise)
- • Encryption: AES-GCMP-256
- • Authentication: SAE (Simultaneous Authentication of Equals)
Vulnerabilities:
- • Implementation flaws
- • Downgrade attacks
- • Side-channel attacks
Advantages:
- • Forward secrecy
- • Improved handshake
- • Enhanced open networks
Disadvantages:
- • Limited device support
- • Newer standard
- • Complexity
Latest security standard with enhanced protection
Wireless Network Scanner
| SSID | Security | Signal | Channel | Encryption | Risk Level |
|---|---|---|---|---|---|
HomeNetwork | WPA3 | -45 dBm | 6 | AES | Low |
OfficeWiFi | WPA2 | -52 dBm | 11 | AES | Low |
PublicHotspot | Open | -38 dBm | 1 | None | High |
LegacyRouter | WEP | -67 dBm | 9 | WEP | High |
Enterprise | WPA2-Enterprise | -41 dBm | 36 | AES | Low |
Common Wireless Attacks
Deauthentication Attack
Impact:
Denial of Service
Prevention:
- • 802.11w PMF
- • Network monitoring
- • Intrusion detection
Common Tools:
- • Aircrack-ng
- • MDK3
- • Scapy
Enterprise Wireless Security
802.1X Authentication
Port-based network access control
Components:
- • Supplicant
- • Authenticator
- • Authentication Server
Protocols:
- • EAP-TLS
- • PEAP
- • EAP-TTLS
- • EAP-FAST
Benefits:
- • Centralized authentication
- • Dynamic key distribution
- • User accountability
RADIUS Integration
Remote Authentication Dial-In User Service
Components:
- • RADIUS Server
- • Network Access Server
- • Client
Protocols:
- • RADIUS
- • TACACS+
- • Diameter
Benefits:
- • Centralized AAA
- • Scalability
- • Accounting features
Certificate Management
Public Key Infrastructure for wireless
Components:
- • CA
- • Certificate Store
- • CRL
Protocols:
- • X.509
- • PKCS
- • SCEP
Benefits:
- • Strong authentication
- • Non-repudiation
- • Scalable trust