Question 409 of 1,152

Security Operations →mediumMultiple ChoiceObjective-mapped

Quick Answer

The answer is to escalate the incident to the incident response team. This is the correct first step after confirming an anomaly because standard incident response frameworks like NIST SP 800-61 mandate that detection and validation by a SOC analyst must be followed by formal escalation to ensure a coordinated, documented, and legally defensible response. Acting unilaterally—such as blocking the IP or disabling accounts—risks destroying forensic evidence or disrupting legitimate services without proper authorization. On the Security+ SY0-701 exam, this question tests your understanding of the incident response process phases: preparation, detection & analysis, containment, eradication, and recovery. A common trap is choosing an immediate containment action like blocking the IP, but the exam emphasizes that escalation precedes containment. Remember the memory tip: “Detect, Validate, Escalate—don’t isolate.”

SY0-701 Security Operations Practice Question

This SY0-701 practice question tests your understanding of security operations. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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.

A security analyst in the SOC observes a sudden spike in failed authentication attempts from a single external IP address targeting multiple user accounts over the last 30 minutes. After confirming the logs are accurate, which of the following actions should the analyst take FIRST according to standard incident response procedures?

Clue words in this question

Noticing these words before you look at the options changes how you read each choice.

Clue: "first"
Why it matters: Order matters here. You are being tested on which action comes before the others — not which action is generally useful.

Question 1mediummultiple choice

Full question →

A
Block the IP address at the firewall immediately.
Why wrong: Blocking the IP address may be premature without first escalating the incident and obtaining authorization. It could also be an attacker using a VPN or a spoofed address, and the IP might be shared by legitimate users.
B
Disable all user accounts that were targeted.
Why wrong: Disabling accounts without investigation could lock out legitimate users and might not be the most effective response. The incident response team needs to assess the situation before taking such disruptive action.
C
Escalate the incident to the incident response team.
Escalation is the first step after detection. The incident response team will follow the organization's plan to analyze, contain, eradicate, and recover from the incident. This ensures a coordinated and controlled response.
D
Capture a memory dump of all affected servers.
Why wrong: Capturing memory dumps is a forensic step that should occur later in the incident response process, typically after containment and with proper authorization, to preserve evidence without interfering with ongoing operations.

Full breakdown with real-world context →

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

✓

Escalate the incident to the incident response team.

Option C is correct because, according to standard incident response procedures (NIST SP 800-61), the first step after confirming an anomaly is to escalate the incident to the incident response team. This ensures that a coordinated, documented, and legally defensible response is initiated, rather than taking unilateral action that could destroy evidence or disrupt legitimate services. The SOC analyst's role is to detect and validate, not to independently execute containment measures without authorization.

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.

✗
Block the IP address at the firewall immediately.
Why it's wrong here
Blocking the IP address may be premature without first escalating the incident and obtaining authorization. It could also be an attacker using a VPN or a spoofed address, and the IP might be shared by legitimate users.
✗
Disable all user accounts that were targeted.
Why it's wrong here
Disabling accounts without investigation could lock out legitimate users and might not be the most effective response. The incident response team needs to assess the situation before taking such disruptive action.
✓
Escalate the incident to the incident response team.
Why this is correct
Escalation is the first step after detection. The incident response team will follow the organization's plan to analyze, contain, eradicate, and recover from the incident. This ensures a coordinated and controlled response.
Clue confirmation
The clue word "first" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
Capture a memory dump of all affected servers.
Why it's wrong here
Capturing memory dumps is a forensic step that should occur later in the incident response process, typically after containment and with proper authorization, to preserve evidence without interfering with ongoing operations.

Common exam traps

Common exam trap: answer the scenario, not the keyword

The trap here is that candidates often confuse 'immediate containment' with 'first action,' forgetting that escalation and validation must precede any technical countermeasure to ensure proper evidence preservation and coordinated response.

Trap categories for this question

Scenario analysis trap
Disabling accounts without investigation could lock out legitimate users and might not be the most effective response. The incident response team needs to assess the situation before taking such disruptive action.

Detailed technical explanation

How to think about this question

Under the hood, a spike in failed authentication attempts from a single external IP often indicates a password spraying attack, where the attacker tries common passwords against many accounts to avoid account lockout thresholds. The incident response team will coordinate with threat intelligence to check the IP against known malicious indicators, preserve logs for chain of custody, and decide on measured containment (e.g., rate-limiting at the firewall or conditional access policies) rather than a blanket block. In real-world scenarios, premature blocking can alert the attacker that they've been detected, causing them to switch IPs or methods before full attribution is possible.

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 SOC analyst notices unusual lateral movement in the network at 2 AM. The IR playbook dictates: identify and contain (isolate the affected machine), then eradicate (remove the malware), then recover (restore from backup), then document. Skipping containment before eradication risks the attacker regaining access. Questions like this test the sequence and rationale of incident response phases.

What to study next

Got this wrong? Here's your next step.

Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.

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FAQ

Questions learners often ask

What does this SY0-701 question test?

Security Operations — This question tests Security Operations — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: Escalate the incident to the incident response team. — Option C is correct because, according to standard incident response procedures (NIST SP 800-61), the first step after confirming an anomaly is to escalate the incident to the incident response team. This ensures that a coordinated, documented, and legally defensible response is initiated, rather than taking unilateral action that could destroy evidence or disrupt legitimate services. The SOC analyst's role is to detect and validate, not to independently execute containment measures without authorization.

What should I do if I get this SY0-701 question wrong?

Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.

Are there clue words in this question I should notice?

Yes — watch for: "first". Order matters here. You are being tested on which action comes before the others — not which action is generally useful.

What is the key concept behind this question?

Read the scenario before looking for a memorised answer.

About these practice questions

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Same concept, more angles

1 more ways this is tested on SY0-701

These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.

Variation 1. A security analyst notices repeated failed login attempts to a critical database server from a single external IP address over the past hour. The analyst reviews the authentication logs and sees that the account name used in each attempt is 'admin'. Which of the following security controls should the analyst recommend to mitigate this type of attack with minimal impact on legitimate users?

medium

A.Configure an account lockout policy to lock the 'admin' account after three failed attempts.
✓ B.Implement a temporary block rule on the perimeter firewall for the source IP address.
C.Disable the 'admin' account until the source IP can be investigated.
D.Require multi-factor authentication on the 'admin' account for all remote logins.

Why B: Option B is correct because implementing a temporary block rule on the perimeter firewall for the source IP address directly stops the attack at the network boundary, preventing further authentication attempts without affecting legitimate users who are not using that IP. This approach is a form of dynamic IP blocking, which is a common mitigation for brute-force attacks targeting a single account from a specific external source.

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Question Discussion

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