CS0-004テキスト & CS0-004受験資料更新版

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CompTIA CS0-004 Exam Syllabus Topics:

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

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CompTIA Cybersecurity Analyst (CySA+) Certification Exam 認定 CS0-004 試験問題 (Q83-Q88):

質問 # 83
Which of the following best describes why operational technology (OT) devices use compensating controls?

A. OT devices are typically not encrypted.
B. Industrial control systems use significant network bandwidth.
C. Traditional IT security solutions may not be compatible.
D. Outage windows are usually scheduled.

正解：C

解説：
OT systems often use specialized, legacy, or availability-sensitive equipment that cannot support conventional security tools or patches. Compensating controls provide alternative protection without disrupting operations.

質問 # 84
A public threat intelligence report includes indicators of compromise (IoCs) for threat actors. The threat actors are exploiting a zero-day vulnerability that the vendor has not fixed. Which of the following techniques should be used until a patch is available?

A. Sinkholing
B. Evidence acquisition
C. Eradication techniques
D. Continuous monitoring

正解：D

解説：
Until a patch is available, the organization should continuously monitor systems and network activity for the reported IoCs to detect attempted or successful exploitation quickly.

質問 # 85
Users frequently get disconnected from the company's internal wireless network. The wireless system and clients are healthy. Once disconnected, the wireless clients reconnect automatically.
Which of the following is the best way for a security analyst to determine the source of the wireless disconnection?

A. Using a client with kismet to analyze the airspace for potential deauthentication attacks
B. Looking at authentication logs for impossible travel
C. Utilizing aireplay-ng to disconnect the malicious wireless station and capture its handshake
D. Collecting the RADIUS logs and investigating the IP addresses of failed user authentications

正解：A

解説：
Deauthentication attacks force wireless clients to disconnect from an access point by sending forged deauthentication frames. Since the clients automatically reconnect and the wireless infrastructure appears healthy, analyzing the wireless airspace with Kismet is the best way to detect unauthorized deauthentication frames and determine whether a wireless attack is causing the disconnects.

質問 # 86
A sales application was remediated to address a critical vulnerability. The process took five business hours and was ultimately successful. However, the change advisory board informed the company's leadership team that the process resulted in a considerable financial loss. Which of the following best explains the reason for the financial loss?

A. The Chief Information Officer did not notify the board members
B. The IT team should have hired a penetration test assessment before patching
C. The maintenance window was not properly communicated or scheduled
D. The loss is a normal cost of operations that relies on IT

正解：C

解説：
Even though the vulnerability remediation was successful, a critical sales application being unavailable during business operations can result in lost revenue and business disruption.
Properly scheduling and communicating a maintenance window helps minimize operational impact by ensuring affected stakeholders are aware of the outage and can plan accordingly.
Failure to do so can lead to significant financial losses despite a technically successful change.

質問 # 87
While reviewing logs, a SOC analyst notices traffic that is attempting connections to all hosts on ports 1-65535. Which of the following steps of the Cyber Kill Chain is most likely occurring?

A. Installation
B. Reconnaissance
C. Delivery
D. Weaponization

正解：B

質問 # 88
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