CompTIA Security+ Wireless Security: WPA2, WPA3, and Common Attacks

Wireless security combines protection of the connection with confidence in the network you join. Review authentication choices alongside attack scenarios involving misleading access points and exposed traffic.

WPA2 vs WPA3

WPA2-Personal uses a Pre-Shared Key (PSK). If an attacker captures the four-way handshake during association, they can attempt offline dictionary attacks against the PSK. WPA3-Personal uses SAE (Simultaneous Authentication of Equals), which resists offline guessing attacks and provides forward secrecy — past session traffic cannot be decrypted even if the password is later compromised.

WPA2-Enterprise and WPA3-Enterprise use 802.1X with a RADIUS server for individual authentication, which is preferable for corporate environments.

Common wireless attacks

Evil twin attacks create a rogue access point mimicking a legitimate SSID to intercept traffic. Deauthentication attacks force clients to reconnect, allowing handshake capture. WPS PIN brute-force was a significant weakness in WPA2-protected networks — disabling WPS is a standard hardening step. Guest network isolation prevents guest clients from reaching production systems.

What should you do with this information next?

Our CompTIA Security+ study guide covers all five SY0-701 domains. Available at securitypluscertprep.com/guide.

SimpuTech's Security+ AI tutor can build a personalized study plan. Try it at SimpuTech.com.