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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Security Operations and Program Development | 20% | - Threat intelligence integration - SOC process design and operational workflows |
| Topic 2: Detection Engineering | 40% | - Creation and tuning of detections (Correlation Searches) - Detection enrichment with context and risk-based alerting - Notable event generation and lifecycle management |
| Topic 3: Security Automation (SOAR) | 30% | - Playbook design and automation workflows - Incident response automation and orchestration |
| Topic 4: Data Engineering | 10% | - Data parsing, normalization, and CIM alignment - Data ingestion and onboarding - Indexing performance and management |
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質問 # 94
Which of the following should be the primary reference when designing a new playbook in Splunk SOAR?
正解：D
解説：
The existing Standard Operating Procedure (SOP) should be the primary reference when designing a Splunk SOAR playbook. A playbook is fundamentally an automation implementation of an established operational process; therefore, the engineer should first understand the SOC-approved sequence of investigation, enrichment, decision, containment, escalation, and remediation steps before converting suitable portions into automated actions.
The SOP defines what should happen, in what order, under which conditions, and with what human approval requirements . Once that workflow is understood, deterministic and repeatable steps can be automated while judgment-intensive or high-impact actions can retain analyst approval gates. The supplied Cybersecurity Defense Engineer material supports this workflow-oriented design through its coverage of SOPs, Workbooks, response templates, and SOAR playbooks as mechanisms for standardizing and automating analyst processes.
MITRE ATT & CK is valuable for mapping adversary behavior and detection coverage, while CIS provides control guidance. Existing investigation actions may inform implementation, but none replaces the organization ' s approved operating procedure as the authoritative workflow definition.
Study Guide topics: SOPs, SOAR playbooks, workflow automation, Workbooks, response templates, analyst process standardization, automation guardrails.
質問 # 95
What should a security engineer prioritize when building a new security process?
正解：C
解説：
When aSecurity Engineeris building a new security process, theirtop priorityshould be ensuring that the process aligns withcompliance requirements. This is crucial because compliance dictates the legal, regulatory, and industry standards that organizations must follow to protect sensitive data and maintain trust.
Why Compliance is the Top Priority?
Legal and Regulatory Obligations- Many industries are required to follow compliance standards such asGDPR, HIPAA, PCI-DSS, NIST, ISO 27001, and SOX. Non-compliance can lead toheavy fines and legal actions.
Data Protection & Privacy- Compliance ensures that sensitive information is handled securely, preventingdata breachesandunauthorized access.
Risk Reduction- Following compliance standards helps mitigate cybersecurity risks byimplementing security best practicessuch as encryption, access controls, and logging.
Business Reputation & Trust- Organizations that comply with standards buildcustomer confidence and industry credibility.
Audit Readiness- Security teams must ensure that logs, incidents, and processes align with compliance frameworks topass internal/external auditseasily.
How Does Splunk Enterprise Security (ES) Help with Compliance?
Splunk ES is aSecurity Information and Event Management (SIEM)tool that helps organizations meet compliance requirements by:
#Log Management & Retention- Stores and correlates security logs forauditability and forensic investigation.
#Real-time Monitoring & Alerts- Detects suspicious activity andalerts SOC teams.#Prebuilt Compliance Dashboards- Comes with out-of-the-box dashboards forPCI-DSS, GDPR, HIPAA, NIST 800-53, and other frameworks.#Automated Reporting- Generates reports that can be used forcompliance audits.
Example in Splunk ES:A security engineer can createcorrelation searches and risk-based alerting (RBA)to monitor and enforce compliance policies.
How Does Splunk SOAR Help Automate Compliance-Driven Security Processes?
Splunk SOAR (Security Orchestration, Automation, and Response) enhances compliance processes by:
#Automating Incident Response- Ensures that responses to security threats followpredefined compliance guidelines.#Automated Evidence Collection- Helps inaudit documentationby automatically collecting logs, alerts, and incident data.#Playbooks for Compliance Violations- Can automaticallydetect and remediatenon- compliant actions (e.g., blocking unauthorized access).
Example in Splunk SOAR:Aplaybookcan be configured to automaticallyrespond to an unencrypted database storing customer databy triggering a compliance violation alert and notifying the compliance team.
Why Not the Other Options?
#A. Integrating with legacy systems- While important,compliance is a higher priority. Security engineers shouldmodernizelegacy systems if they pose security risks.#C. Automating all workflows- Automation is beneficial, but it should not be prioritizedover security and compliance. Some security decisions requirehuman oversight.#D. Reducing the number of employees- Efficiency is important, butsecurity cannot be sacrificedto cut costs. Skilled SOC analysts and engineers arecritical to cybersecurity defense.
References & Learning Resources
#Splunk Docs - Security Essentials: https://docs.splunk.com/#Splunk ES Compliance Dashboards:
https://splunkbase.splunk.com/app/3435/#Splunk SOAR Playbooks for Compliance: https://www.splunk.com/en_us/products/soar.html#NIST Cybersecurity Framework & Splunk Integration: https://www.nist.gov/cyberframework
質問 # 96
A cybersecurity engineer notices a delay in retrieving indexed data during a security incident investigation.
The Splunk environment has multiple indexers but only one search head.
Which approach can resolve this issue?
正解：D
解説：
Why Usetstatsfor Faster Searches?
When a cybersecurity engineer experiences delays in retrieving indexed data, the best way to improve search performance is to usetstatsinstead of raw searches.
#What iststats?tstatsis a high-performance command that queries data from indexed fields only, rather than scanning raw events. This makes searches significantly faster and more efficient.
#Why is This the Best Approach?
tstatssearches are 10-100x faster than raw event searches.
It leverages metadata and indexed fields, reducing search load.
It minimizes memory and CPU usage on the search head and indexers.
#Example Use Case:#Scenario: The SOC team is investigating failed logins across multiple indexers.#Using a raw search:
index=security sourcetype=auth_logs action=failed | stats count by user
#Problem: This query scans millions of raw events, causing slow performance.
#Optimized usingtstats:
| tstats count where index=security sourcetype=auth_logs action=failed by user
#Advantage: Faster results without scanning raw events.
Why Not the Other Options?
#A. Increase search head memory allocation - May help, but inefficient queries will still slow down searches.
#C. Configure a search head cluster - A single search head isn't necessarily the problem; improvingsearch performance is more effective.#D. Implement accelerated data models - Useful for prebuilt dashboards, but won't improve ad-hoc searches.
質問 # 97
How can an engineer verify if results will return for a potential detection based on historical events within the organization?
正解：B
解説：
To verify if a potential detection will return results, the engineer should run the detection against production data in the same Splunk instance. This ensures the query is tested against actual historical events from the organization's environment, confirming whether it generates meaningful results.
質問 # 98
Which actions help to monitor and troubleshoot indexing issues?(Choosethree)
正解：A、B、C
解説：
Indexing issues can cause search performance problems, data loss, and delays in security event processing.
#1. Use btool to Check Configurations (A)
Helps validate Splunk configurations related to indexing.
Example:
Checkindexes.confsettings:
splunk btool indexes list --debug
#2. Monitor Queues in the Monitoring Console (B)
Identifies indexing bottlenecks such as blocked queues, dropped events, or indexing lag.
Example:
Navigate to: Settings # Monitoring Console # Indexing Performance.
#3. Review Internal Logs Such as splunkd.log (C)
Thesplunkd.logfile contains indexing errors, disk failures, and queue overflows.
Example:
Use Splunk to search internal logs:
D: Enable distributed search in Splunk Web # Distributed search improves scalability, but does not troubleshoot indexing problems.
#Additional Resources:
Splunk Indexing Performance Guide
Using btool for Debugging
質問 # 99
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