hardMultiple ChoiceObjective-mapped
SSCP Practice Question: Uses a cloud-based file synchronization service…
An organization uses a cloud-based file synchronization service to share project files with external partners. The security team discovers that an unauthorized third party accessed sensitive documents by guessing weak passwords. Which additional control would most effectively mitigate this risk?
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
✓
Enforcing multi-factor authentication for all external users.
Multi-factor authentication directly addresses credential guessing by requiring a second factor. Option B is incorrect because SFTP does not inherently provide stronger authentication than HTTPS. Option C is incorrect because file-level encryption with on-premises keys does not prevent unauthorized access if the attacker already has valid credentials. Option D is incorrect because a custom domain certificate does not affect authentication strength.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Enforcing multi-factor authentication for all external users.
Why this is correct
MFA prevents login even if passwords are guessed, reducing the risk of unauthorized access.
- ✗
Requiring all file transfers to use SFTP instead of HTTPS.
Why it's wrong here
SFTP and HTTPS both provide encryption; the issue is authentication, not protocol choice.
- ✗
Implementing file-level encryption with keys stored on-premises.
Why it's wrong here
Encryption protects data at rest but does not block initial access with guessed credentials.
- ✗
Configuring the service to use a custom domain certificate.
Why it's wrong here
Custom certificates enhance trust but do not improve password security.
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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.