Question

Difficulty: HardWireless Security Standards and Encryption Protocols

A network administrator is migrating a corporate wireless network to WPA3-Enterprise to enhance access control and audit capabilities for individual staff members. During deployment, a junior technician suggests configuring Simultaneous Authentication of Equals (SAE) across the wireless access points to simplify onboarding without integrating the organization's existing RADIUS server. Which of the following best explains why this recommendation fails to meet the enterprise security requirement?

  1. Simultaneous Authentication of Equals (SAE) is designed for WPA3-Personal and relies on a shared passphrase, failing to provide individual user authentication and centralized 802.1X accounting.Answer
  2. B
    Simultaneous Authentication of Equals (SAE) mandates 192-bit GCMP encryption, which cannot be processed by standard 802.1X authentication servers.
  3. C
    Simultaneous Authentication of Equals (SAE) operates exclusively with TACACS+ protocols, preventing standard Layer 2 EAP packet encapsulation on wireless access points.
  4. D
    Simultaneous Authentication of Equals (SAE) disables Protected Management Frames (PMF), exposing wireless management frames to spoofed deauthentication attacks.

Answer

Simultaneous Authentication of Equals (SAE) is designed for WPA3-Personal and relies on a shared passphrase, failing to provide individual user authentication and centralized 802.1X accounting.
WPA3-Enterprise requires IEEE 802.1X authentication using EAP methods backed by a RADIUS server to verify each user individually. Simultaneous Authentication of Equals (SAE) is a key exchange mechanism designed specifically for WPA3-Personal to secure passphrase-based networks, making it incapable of delivering individual user identification or centralized AAA accounting.

Step-by-Step Solution

1
Identify the enterprise security requirements
Enterprise wireless deployments require unique credentials per user, centralized identity directory management, and per-user audit logging.
Individual accountability and centralized access revocation require an IEEE 802.1X authentication framework integrated with a backend RADIUS server.
2
Analyze the operational mechanism of Simultaneous Authentication of Equals (SAE)
SAE is a password-authenticated key exchange protocol based on Dragonfly Handshake used in WPA3-Personal.
While SAE eliminates offline dictionary attack vulnerabilities inherent to standard WPA2 PSK, it still utilizes a shared password across users rather than individual user directory accounts.
3
Evaluate why the recommendation fails the objective
Bypassing RADIUS integration in favor of SAE strips the enterprise of individual user identification and 802.1X AAA controls.
SAE is restricted to WPA3-Personal implementations and cannot fulfill 802.1X Enterprise requirements.

Key Concept

WPA3 Personal vs Enterprise Authentication Architecture
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