- A
Safe Attachments
Why wrong: Safe Attachments protects against malicious attachments, not email impersonation.
- B
Safe Links
Why wrong: Safe Links checks URLs in messages and Office documents for malicious links, not sender impersonation.
- C
Impersonation protection
Impersonation protection is part of anti-phishing policies and allows you to define users (e.g., CEO) and domains to protect against impersonation.
- D
Spoof intelligence
Why wrong: Spoof intelligence detects email from spoofed domains but does not protect against impersonation of specific individuals.
Question 1,105 of 1,411
SC-900 Practice Question: Describe the capabilities of Microsoft security solutions
This SC-900 practice question tests your understanding of describe the capabilities of microsoft security solutions. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
An organization wants to protect against business email compromise (BEC) attacks where attackers impersonate the CEO to trick employees into transferring funds. Which Microsoft Defender for Office 365 capability should they configure to detect such impersonation?
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
✓
Impersonation protection
Impersonation protection in Defender for Office 365 is specifically designed to detect and block business email compromise (BEC) attacks where an attacker spoofs a trusted sender, such as a CEO or CFO. It uses machine learning and sender intelligence to analyze email patterns and flag messages that impersonate internal or external high-value targets, making it the correct capability for this scenario.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Safe Attachments
Why it's wrong here
Safe Attachments protects against malicious attachments, not email impersonation.
- ✗
Safe Links
Why it's wrong here
Safe Links checks URLs in messages and Office documents for malicious links, not sender impersonation.
- ✓
Impersonation protection
Why this is correct
Impersonation protection is part of anti-phishing policies and allows you to define users (e.g., CEO) and domains to protect against impersonation.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Spoof intelligence
Why it's wrong here
Spoof intelligence detects email from spoofed domains but does not protect against impersonation of specific individuals.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse impersonation protection (user-level) with spoof intelligence (domain-level), assuming both handle the same type of attack, but impersonation protection is the only one that detects CEO fraud by analyzing sender identity rather than just domain authentication.
Detailed technical explanation
How to think about this question
Impersonation protection works by comparing the sender's display name, email address, and domain against a defined list of protected users (e.g., CEO) and internal domains, using advanced heuristics like character substitution (e.g., replacing 'o' with '0') and lookalike domains. It also leverages Microsoft's threat intelligence network to detect patterns of BEC campaigns, and administrators can fine-tune sensitivity via the Anti-Phish policy in the Security & Compliance Center. A real-world scenario involves an attacker using a display name like 'John Smith (CEO)' with a slightly altered email address (e.g., john.smith@c0mpany.com) that impersonation protection would flag.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
What to study next
Got this wrong? Here's your next step.
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FAQ
Questions learners often ask
What does this SC-900 question test?
Describe the capabilities of Microsoft security solutions — This question tests Describe the capabilities of Microsoft security solutions — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Impersonation protection — Impersonation protection in Defender for Office 365 is specifically designed to detect and block business email compromise (BEC) attacks where an attacker spoofs a trusted sender, such as a CEO or CFO. It uses machine learning and sender intelligence to analyze email patterns and flag messages that impersonate internal or external high-value targets, making it the correct capability for this scenario.
What should I do if I get this SC-900 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 11, 2026
This SC-900 practice question is part of Courseiva's free Microsoft 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 SC-900 exam.
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