Please enable JavaScript.
Coggle requires JavaScript to display documents.
Wireless Security (WPS - WiFi Protected Setup
Enhances usability and…
Wireless Security
WPS - WiFi Protected Setup
Enhances usability and Security
Cretaed by the WiFi Alliance
Adding devices with ease
PIN
- a pin number associated with device is entered on the AP
- a pin number generated by the AP entered on the device
Security concerns
Attacks on pin
- online and offline brute force attacks
- capture packets to determine pin to gain unauthorized access
- Pin is printed on device or listed in configuration menu
Attacks on push Button
- AP is accessible by anyone, just push the button.
Push Button
- Physical or virtual on both AP and device at the same time
NFC
- Device is placed really close to the AP to make association
USB
- Out-of-band transfer of infor between device and AP
-
-
Wireless Encryption
TKIP
WPA Protocol
Provides
- Message Integrity
- Per Packet Hashing
- Key Roatation/mixing
- Sequence Counter
Considered insecure after 2012
CCMP
WPA2 Protocol
- Based on AES
- Designed as the replacement for WEP
- Provides strong message encryption
- Provides authenticity and integrity checking
uses CBC-MAC
-