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CompTIA CS0-004 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Incident Response and Management	24%	- Incident Response Techniques 1. Alerts, notifications, and triage 2. Corrective action development 3. Restoration 4. Root cause analysis 5. Log collection, correlation, and enrichment 6. Training and exercises 7. Remediation and verification 8. Timeline, severity, impact, and prioritization 9. Incident response and communication plans 10. Isolation and escalation 11. Playbooks and roles 12. Evidence gathering and preservation - Incident Response Process 1. Detection 2. Preparation 3. Recovery 4. Containment 5. Eradication 6. Analysis 7. Post-incident activities - Attack Methodology Frameworks 1. MITRE ATT&CK 2. Cyber Kill Chain 3. Diamond Model of Intrusion Analysis
Topic 2: Reporting and Communication	16%	- Security Operations and Incident Response Reporting and Communication 1. Post-incident reporting 2. Internal threat intelligence report 3. Metrics and key performance indicators 4. Shift and incident handover 5. Executive summary 6. Incident declaration and escalation 7. Operational security awareness 8. Communication plan - Vulnerability Management Reporting and Communication 1. Inhibitors to remediation 2. Action plans 3. Compliance findings 4. Vulnerability scan reports 5. Risk scorecards 6. Metrics and key performance indicators 7. Stakeholder identification and communication
Topic 3: Security Operations	34%	- Tools for Determining Malicious Activity 1. Domain and IP reputation 2. Log analysis and SIEM 3. Threat intelligence platforms 4. Decoding and parsing 5. User and entity behavior analysis 6. File analysis 7. Endpoint security 8. Pattern recognition and suspicious command analysis 9. File formats 10. Email analysis 11. Programming and scripting languages 12. Packet analysis 13. Sandboxing - System and Network Architecture in Security Operations 1. Operating system concepts 2. Infrastructure and system architecture concepts 3. Logging concepts 4. Device management concepts 5. Network architecture concepts 6. Data protection concepts 7. Critical infrastructure concepts 8. Encryption techniques 9. Identity and access management - Artificial Intelligence in Security Operations 1. AI risks 2. AI use cases 3. AI governance - Efficiency and Process Improvement in Security Operations 1. Automation and orchestration 2. Streamline operations 3. Technology and tool integration 4. Data enrichment 5. Standardize processes - Indicators of Potential Malicious Activity 1. Cloud-related indicators 2. Unauthorized configuration 3. Network-related indicators 4. Identity-based indicators 5. Email-related attacks 6. Host-related indicators 7. Social engineering attacks 8. Application-related indicators - Threat Intelligence and Threat Hunting 1. Confidence-level impacts 2. Threat actors 3. Collection methods and sources 4. Indicators of compromise 5. Tactics, techniques, and procedures 6. Threat mapping 7. Cyber deception 8. Threat modeling
Topic 4: Vulnerability Management	26%	- Vulnerability Scanning Methods 1. Scan types 2. Discovery 3. Planning considerations 4. Security baseline scanning 5. Asset inventory - Vulnerability Assessment Tools 1. Cloud infrastructure assessment tools 2. Web application scanners 3. Multipurpose tools 4. Vulnerability scanners 5. Network scanning and mapping 6. Breach attack simulation tools - Vulnerability Prioritization and Mitigation 1. Mitigation strategies 2. Vulnerability prioritization criteria 3. Context awareness 4. Validation of remediation 5. Scoring methods - Control Types, Risks, and Vulnerability Management 1. Policies, governance, and service-level objectives 2. Control types 3. Third-party risk 4. Risk concepts 5. Risk management strategies 6. Application security 7. Control functions

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CompTIA Cybersecurity Analyst (CySA+) Certification Exam 認定 CS0-004 試験問題 (Q67-Q72):

質問 # 67
Which of the following is developed before an incident and outlines specific tasks that team members should perform during IR activities?

A. Playbook
B. Lessons learned
C. Root cause analysis
D. Business continuity plan

正解：A

解説：
A playbook is created before an incident occurs and provides detailed, step-by-step procedures for responding to specific types of security incidents. It defines the actions, responsibilities, and tasks that team members should perform to ensure a consistent and effective incident response.

質問 # 68
A SOC analyst scans a group of servers to search for vulnerabilities. After analyzing the output, the analyst realizes that some OS versions were not detected properly. Which of the following is the best option to increase the accuracy of the scan?

A. Use passive fingerprinting.
B. Perform credentialed scans.
C. Upgrade the server OS.
D. Update the scan plug-ins.

正解：B

解説：
Credentialed scans authenticate to the target systems and can directly query the operating system for detailed configuration and version information. This provides much more accurate results than unauthenticated scanning and helps correctly identify OS versions, installed software, and vulnerabilities.

質問 # 69
A BIA document was recently updated to include new critical systems. Which of the following is the most important reason for the update?

A. To create a business case that explains the importance of the systems
B. To add the systems to forensic analysis in case of a data breach
C. To include vendor-specific IR training in the security budget
D. To ensure the systems receive the proper priority in a DR scenario

正解：D

解説：
A Business Impact Analysis (BIA) identifies critical business functions and systems and establishes their recovery priorities. Updating the BIA to include new critical systems ensures those systems are assigned the appropriate recovery objectives and receive the proper priority during a disaster recovery scenario, helping the organization restore essential operations efficiently.

質問 # 70
Which of the following describes the importance of an organization understanding SLOs when outsourcing IR to a third party?

A. To quantify the risk appetite in an MOU
B. To track the performance of specific KPIs
C. To ensure that an objective risk score can be calculated
D. To understand the hidden costs of an SLA

正解：B

解説：
Service Level Objectives (SLOs) define specific performance targets for services provided by a third party, such as incident detection, response, or resolution times. Understanding these objectives allows an organization to measure and track the provider's performance through relevant KPIs and determine whether the outsourced incident response service is meeting expectations.

質問 # 71
Which of the following is the IR activity in which process gaps are identified?

A. Tabletop exercise
B. Root cause analysis
C. Lessons learned
D. User training

正解：C

解説：
The lessons learned phase occurs after an incident has been contained and resolved. During this phase, the response team reviews what happened, evaluates the effectiveness of the response, and identifies process gaps, weaknesses, and opportunities for improvement to enhance future incident handling.

質問 # 72
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