Wireless Security Flashcards
6 wireless encryption types
Pre shared key
WEP (wired equivalent privacy)
WPA (wi-Fi protected access)
WPA2
WPA 3
WPS (wi-Fi protected, set up)
WEPs weakness
24bit initialization vector
WPA uses…
TKIP & RC4
WPA 2 uses…
128 bit key
AES & CCMP
Open WiFi
No security or protection
WPS
(WiFi protected setup)
Push button style pairing
always disable
WPA3 uses
192 bit key
GCMP
Management protection frames
SAE
WPA3 OWE
(Opportunistic Wireless encryption)
Provides encryption even on open networks in public places
Management protection frames
Anti eavesdropping used by WPA3
SAE
(Simultaneous authentication of equals)
Password based authentication through forward secrecy
Forward security
Anti session key compromise
1. Long term key
2. One time use key
3. Messages encrypted using key
4. Client decrypts msg using one time key
5. Repeats for every message
RADIUS
(Remote authentication dial-in user service)

(Cross platform, layer 7 OSI)
Authenticates users to services and accounts
Supplicant (client) reaches out
Authenticator (switch) forward request to
Authentication server
TACACS+
(Terminal access controller access control system plus)
Cisco proprietary RADIUS
Authentication
Authorization
Accounting
Diameter
Next gen peer to peer RADIUS
Cellular networks
LDAP
(Lightweight directory access protocol)
Cross platform info about clients and objects on the network
