SSCP Network and Communications Security Practice Question
During a security assessment, a penetration tester discovers that the network uses WPA2-PSK. Which attack could be used to recover the pre-shared key without interacting with the access point after capturing a single handshake?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
PMKID attack
The PMKID attack allows offline cracking of the PSK using information from the first frame of the 4-way handshake, even without a full handshake.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Deauthentication attack
Why it's wrong here
Deauth forces reconnection but does not directly recover the PSK.
- ✗
KRACK attack
Why it's wrong here
KRACK exploits the 4-way handshake but requires interaction with the AP.
- ✗
Evil twin attack
Why it's wrong here
Evil twin requires clients to connect to a malicious AP.
- ✓
PMKID attack
Why this is correct
The PMKID is included in the first EAPOL frame and can be used to crack the PSK offline.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This SSCP practice question is part of Courseiva's free ISC2 certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the SSCP exam.