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CompTIA CS0-004 Exam Syllabus Topics:

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

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CompTIA Cybersecurity Analyst (CySA+) Certification Exam Sample Questions (Q10-Q15):

NEW QUESTION # 10
An analyst needs to perform a baseline security evaluation of the company's cloud infrastructure.
Which of the following tools is most appropriate for this task?

A. ScoutSuite
B. Open Vulnerability Assessment Scanner (OpenVAS)
C. Metasploit
D. Nikto

Answer: A

Explanation:
ScoutSuite is specifically designed for security posture assessment of cloud environments, making it the best tool for establishing a cloud-security baseline. NCC Group describes ScoutSuite as an open-source, multi- cloud security-auditing tool that uses cloud-provider APIs to collect configuration information and identify risk areas across cloud environments.
This capability is fundamentally different from conventional host or web vulnerability scanning. A cloud baseline requires evaluation of configurations such as identity permissions, storage exposure, network controls, encryption settings, logging, cloud-native security services, and resource policies. ScoutSuite queries the cloud control plane and produces an organized view of configuration weaknesses that can be compared with security expectations.
OpenVAS is primarily a general-purpose vulnerability-assessment scanner for systems and network services.
Nikto concentrates on web-server weaknesses and dangerous configurations. Metasploit is primarily an exploitation and penetration-testing framework. Although each has legitimate assessment uses, none is as directly suited to broad cloud configuration posture assessment as ScoutSuite.
The critical examination distinction is cloud configuration auditing versus traditional vulnerability scanning or exploitation .
Study Guide Reference: Vulnerability Management # Cloud Vulnerability Assessment # Configuration Baselines # ScoutSuite # Cloud APIs # Security Posture Assessment # Misconfiguration Identification.

NEW QUESTION # 11
An analyst performs Nmap scans to determine which hosts may need to be targeted to deploy a critical Windows patch. The patch for the vulnerability is to address a critical security flaw that targets open Server Message Block (SMB) ports on Windows systems only. The analyst scans with the following command:
$sudo nmap -Pn 10.203.10.0/24
The analyst then receives the following output:

Which of the following hosts should the analyst prioritize for patching?

A. 10.203.10.12
B. 10.203.10.11
C. 10.203.10.13
D. 10.203.10.16

Answer: B

Explanation:
10.203.10.11 appears to be a Windows host based on the TTL of 128 and has TCP port 445, the standard SMB port, open.

NEW QUESTION # 12
Which of the following is the most comprehensive type of report associated with a closed incident?

A. Lessons-learned
B. After action
C. Situation
D. Root cause analysis

Answer: B

Explanation:
An after-action report (AAR) is the most comprehensive document associated with a closed incident because it consolidates the incident itself, the response activities performed, recovery actions, outcomes, deficiencies, and lessons identified during the event. NIST Cybersecurity Framework guidance specifically calls for preparing an after-action report that documents the incident, response and recovery activities, and lessons learned.
A lessons-learned document focuses primarily on what worked, what failed, and what should be improved.
Those observations are important, but they represent only one component of a complete post-incident record.
Root cause analysis has a narrower technical purpose: determining the fundamental condition that permitted the incident to occur or progress. A situation report is generally produced while an incident is ongoing to communicate current status, impact, actions, and outstanding issues.
An AAR is broader because it can incorporate the timeline, technical findings, containment and eradication actions, recovery results, stakeholder performance, root cause, lessons learned, and assigned corrective actions. NIST exercise guidance likewise treats lessons learned as information that becomes part of an after- action report.
Study Guide Reference: Reporting and Communication # Post-Incident Reporting # After-Action Reports
# Lessons Learned # Root Cause Analysis # Corrective Actions.

NEW QUESTION # 13
An incident response team investigates a possible data leak. Various IT systems collect evidence.
Which of the following processes is required to ensure that evidentiary artifacts are properly recorded?

A. Storage and containment
B. Chain of custody
C. Packaging and labeling
D. Post incident reporting

Answer: B

Explanation:
Chain of custody is the formal process used to document the collection, possession, transfer, handling, analysis, and disposition of evidentiary artifacts. Its purpose is to establish an auditable history demonstrating who controlled the evidence, when custody changed, why it was transferred, and what actions were performed on it.
NIST defines chain of custody as tracking evidence throughout its collection, safeguarding, and analysis lifecycle while documenting each individual who handled it, relevant timestamps, and the purpose of transfers. This is critical when multiple systems, analysts, forensic teams, or external parties participate in an investigation because undocumented handling could undermine confidence in the evidence's integrity or admissibility.
Packaging and labeling are important evidence-preservation procedures, but they represent only individual activities within the broader evidence-management process. Storage and containment protect artifacts from alteration or unauthorized access but do not provide the complete historical record of possession. Post- incident reporting documents investigation conclusions and response actions after the incident rather than tracking evidence throughout its lifecycle.
The decisive phrase is "properly recorded." A defensible record of every evidence transfer and handler is specifically the function of chain of custody.
Study Guide Reference: Incident Response and Management # Digital Forensics # Evidence Acquisition # Chain of Custody # Evidence Integrity # Documentation and Preservation.

NEW QUESTION # 14
Which of the following actions should an incident response analyst take during the recovery phase of the incident response process?

A. Verify that malicious activity has occurred.
B. Take the system offline.
C. Reimage the disk.
D. Write the final report.

Answer: C

Explanation:
Reimaging restores the affected system to a trusted, operational state. Verification occurs during detection and analysis, taking the system offline is containment, and the final report is completed after the incident.

NEW QUESTION # 15
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