Question 920 of 1,152

Security Operations →hardMultiple SelectObjective-mapped

Quick Answer

The answer is to update SIEM/EDM detection rules to correlate the encoded command, unusual outbound connection, and scheduled task creation, and to revise the incident response playbook with the new escalation and containment steps. These two actions directly address the root cause of the six-hour delay by automating the correlation of those specific indicators, which reduces mean time to detect (MTTD) by triggering alerts in near-real time rather than relying on manual post-hoc analysis. On the Security+ SY0-701 exam, this scenario tests your understanding of post-incident activities under Domain 4.5 (Security Operations), specifically how to improve detection speed after an incident review. A common trap is to choose only procedural fixes like “more training” or “better logging,” but the exam emphasizes that technical detection tuning—correlating the exact missed patterns—is the primary lever for faster future response. Memory tip: “Correlate to accelerate”—if you don’t link the specific events in your detection logic, you’ll always be six hours behind.

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 post-incident review shows the SOC detected malicious PowerShell activity six hours late because the existing detections did not correlate the encoded command, the unusual outbound connection, and the creation of a scheduled task. Leadership wants the two follow-up actions most likely to improve future response. Select two.

Clue words in this question

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

Clue: "most likely"
Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.

Question 1hardmulti select

Full question →

A
Add the new indicators and event patterns to SIEM and EDR detections.
Updating detections helps the security stack recognize the same behavior earlier in the future.
B
Revise the incident response playbook so analysts know the new escalation and containment steps.
A better playbook shortens response time by telling analysts exactly how to act when the pattern appears again.
C
Restore the compromised host to production immediately after the next reboot.
Why wrong: That does not improve future response and could reintroduce an unresolved compromise.
D
Reduce log retention to keep storage costs low.
Why wrong: Shorter retention makes correlation and investigation harder, which weakens detection and response improvements.
E
Disable PowerShell everywhere without reviewing business requirements or alternatives.
Why wrong: Blanket disabling may disrupt operations and is not a targeted lessons-learned action tied to the root issue.

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

✓

Add the new indicators and event patterns to SIEM and EDR detections.

Option A is correct because adding the new indicators (encoded command, unusual outbound connection, scheduled task creation) and event patterns to SIEM and EDR detections directly addresses the root cause of the six-hour delay: the lack of correlation between these specific events. By updating detection rules to correlate these patterns, the SOC can trigger alerts in near-real time rather than relying on manual post-hoc analysis. This is a core SIEM/EDR tuning practice to reduce mean time to detect (MTTD).

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.

✓
Add the new indicators and event patterns to SIEM and EDR detections.
Why this is correct
Updating detections helps the security stack recognize the same behavior earlier in the future.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✓
Revise the incident response playbook so analysts know the new escalation and containment steps.
Why this is correct
A better playbook shortens response time by telling analysts exactly how to act when the pattern appears again.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
Restore the compromised host to production immediately after the next reboot.
Why it's wrong here
That does not improve future response and could reintroduce an unresolved compromise.
✗
Reduce log retention to keep storage costs low.
Why it's wrong here
Shorter retention makes correlation and investigation harder, which weakens detection and response improvements.
✗
Disable PowerShell everywhere without reviewing business requirements or alternatives.
Why it's wrong here
Blanket disabling may disrupt operations and is not a targeted lessons-learned action tied to the root issue.

Common exam traps

Common exam trap: answer the scenario, not the keyword

The trap here is that candidates may think updating the playbook (Option B) is the primary fix, but the question specifically asks for actions that improve future *detection* and *response* speed, and while playbook revision helps, the root cause was missing detection logic, not missing procedural steps.

Detailed technical explanation

How to think about this question

PowerShell's 'EncodedCommand' parameter (e.g., -EncodedCommand <base64>) allows attackers to obfuscate malicious scripts, bypassing simple string-based detections. SIEM correlation rules must decode and inspect the base64 content or use behavioral analytics to flag anomalous outbound connections (e.g., to non-standard ports or known C2 IPs) combined with scheduled task creation (via schtasks.exe or New-ScheduledTask). In real-world attacks like SolarWinds, such multi-event correlation would have reduced dwell time from months to hours.

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: Add the new indicators and event patterns to SIEM and EDR detections. — Option A is correct because adding the new indicators (encoded command, unusual outbound connection, scheduled task creation) and event patterns to SIEM and EDR detections directly addresses the root cause of the six-hour delay: the lack of correlation between these specific events. By updating detection rules to correlate these patterns, the SOC can trigger alerts in near-real time rather than relying on manual post-hoc analysis. This is a core SIEM/EDR tuning practice to reduce mean time to detect (MTTD).

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: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.

What is the key concept behind this question?

Read the scenario before looking for a memorised answer.

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