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CompTIA CS0-004 Exam Syllabus Topics:

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

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CompTIA Cybersecurity Analyst (CySA+) Certification Exam Sample Questions (Q66-Q71):

NEW QUESTION # 66
A security operations center (SOC) analyst investigates the results of a password spray test conducted by the vulnerability management team. The analyst must:
- Identify Linux systems that have successful and unsuccessful logins
with username "User1".
- Create an output report named "linux-events" of all the events to a
flat file.
The analyst issues the following console command:
ls /var/log/
The shortened output of the command is below:

Which of the following commands should the analyst use to meet the report output requirements?

A. cat /var/log/sssd | grep "User1" > linux-events.txt
B. cat /var/log/auth.log | grep "User1" > linux-events.txt
C. cat /var/log/faillog.log | grep "User1" > linux-events.txt
D. cat /var/log/syslog | grep "User1" > linux-events.txt

Answer: B

Explanation:
/var/log/auth.log contains Linux authentication events, including successful and failed login attempts. grep selects entries for User1, and > writes them to the required flat file.

NEW QUESTION # 67
Which of the following is a reason an executive summary is important for incident response communication?

A. It uses quantifiable metrics to identify the root cause.
B. It provides a detailed explanation of the incident.
C. It is included as part of privacy disclosure statements.
D. It is a concise way for the leadership team to understand the event.

Answer: D

Explanation:
An executive summary provides a brief, high-level overview of the incident so leadership and nontechnical stakeholders can quickly understand what happened, the impact on the organization, and the current status of the response without needing to review detailed technical information.

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

Answer: A

Explanation:
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.

NEW QUESTION # 69
Which of the following phases of the incident response process will permanently remove an attacker's access to corporate resources?

A. Containment
B. Denial of service
C. Detection
D. Eradication

Answer: D

Explanation:
Eradication addresses the root causes and malicious mechanisms that allow an attacker to remain inside the environment. Typical eradication actions include deleting malware, removing persistence mechanisms, disabling unauthorized accounts, resetting compromised credentials, eliminating malicious scheduled tasks or services, correcting exploited vulnerabilities, and rebuilding systems when trust cannot be restored.
This differs fundamentally from containment. Containment is intended to limit immediate damage or prevent further spread , such as isolating an infected workstation, blocking an IP address, disabling a network segment, or temporarily suspending an account. These measures can interrupt attacker activity, but they do not necessarily remove the underlying foothold. Microsoft security architecture guidance similarly distinguishes containment from eradication and describes eradication procedures as completely removing the threat from the environment.
Detection identifies that suspicious or malicious activity exists; it does not remove access. Denial of service is an attack or availability condition rather than a recognized incident-response phase.
Therefore, if the examination asks which phase permanently removes the adversary's access , the correct answer is eradication because this is where attacker persistence and the enabling compromise are eliminated before normal operations are fully restored.
Study Guide Reference: Incident Response and Management # Containment # Eradication # Persistence Removal # Credential Reset # Malware Removal # Vulnerability Remediation.

NEW QUESTION # 70
Which of the following is the most important reason why tactics, techniques, and procedures (TTP) are beneficial to a defensive strategy?

A. TTP provides useful insights on the hash values and internet protocol addresses attributed to an attacker.
B. TTP provides useful insights on the strategy and behavior of an attacker.
C. TTP provides useful insights on the tools used by an attacker.
D. TTP provides useful insights on an attacker's indicators of compromise.

Answer: B

Explanation:
TTPs describe how an adversary operates. These behavioral patterns are generally more durable and strategically useful for detection and defense than easily changed indicators such as IP addresses, hashes, or tools.

NEW QUESTION # 71
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