CCOA Adversarial Tactics Practice Question
You are configuring Microsoft Defender for Endpoint. Which feature is most effective against 'T1566 Phishing'?
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
✓
Email filtering policies
Defender for Office 365 / MDE integration provides specialized filtering for malicious attachments and URLs linked to phishing.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Network Isolation
Why it's wrong here
This happens after an infection is detected.
- ✓
Email filtering policies
Why this is correct
These block the delivery of phishing emails before they reach the user.
- ✗
Attack Surface Reduction (ASR) rules
Why it's wrong here
ASR rules handle process execution, not initial phishing email delivery.
- ✗
Device Control
Why it's wrong here
Device control focuses on USBs and peripheral hardware.
About these practice questions
This CCOA question is part of Courseiva's 203-question bank — original exam-style content with full explanations and wrong-answer analysis, never real exam questions or exam 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 ISACA exam blueprint
This CCOA practice question is part of Courseiva's free ISACA 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 CCOA exam.