CSSLP Secure Software Testing Practice Question
A company is implementing a Secure SDLC. Which phase is the most appropriate to start defining security test cases?
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
✓
Requirements and Design.
Security test cases should be derived during the Requirements and Design phases to ensure that security features are verified as they are built.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Requirements and Design.
Why this is correct
Defining tests early allows for security-driven development.
- ✗
Testing.
Why it's wrong here
Waiting for the testing phase is too late to influence design.
- ✗
Maintenance.
Why it's wrong here
Maintenance is for post-deployment updates.
- ✗
null
Why it's wrong here
null
- ✗
Implementation.
Why it's wrong here
Testing should start before implementation.
About these practice questions
Courseiva writes every CSSLP question from scratch — 198 in total, each with an explanation and a wrong-answer breakdown. None are copied from real exams or dumps. Learn why practice questions differ from exam dumps →
JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official (ISC)² exam blueprint
This CSSLP practice question is part of Courseiva's free (ISC)² 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 CSSLP exam.