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CompTIA CS0-004 Exam Syllabus Topics:

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

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CompTIA Cybersecurity Analyst (CySA+) Certification Exam Sample Questions (Q168-Q173):

NEW QUESTION # 168
Law enforcement subpoenas a company in order to obtain all records related to the activities a threat actor performed using the IP address 154.21.154.21. Which of the following should an analyst perform first?

A. Data acquisition
B. Legal hold
C. Hash verification
D. Chain of custody

Answer: B

Explanation:
A legal hold should be established first to ensure that all relevant records, logs, and evidence related to the investigation are preserved and protected from deletion or modification. Once preservation requirements are in place, evidence can be collected and handled according to forensic and legal procedures.

NEW QUESTION # 169
Despite removing malware from some of the affected hosts, several of an organization's internal resources are still unavailable two weeks after the discovery of a major incident. Which of the following best describes this phase?

A. Eradication
B. Analysis
C. Detection
D. Preparation
E. Post-incident

Answer: A

Explanation:
The organization is still removing malware and eliminating the attacker's presence from affected systems. Recovery cannot fully begin until eradication is complete.

NEW QUESTION # 170
Which of the following will inhibit remediation when attempting to resolve a vulnerability?

A. Shared systems
B. Controlled systems
C. Closed systems
D. Legacy systems

Answer: D

Explanation:
Legacy systems may be unsupported, incompatible with current patches, or too operationally sensitive to modify, which can prevent or delay remediation.

NEW QUESTION # 171
A security analyst must identify documents that contain encoded ActiveMime payloads in a directory containing thousands of files. The analyst runs the following command: grep -rail ActiveMime * The command returns no output.
Which of the following Yet Another Recursive Acronym (YARA) rules should the analyst use to find the suspicious files?

Answer: D

Explanation:
Option C represents the appropriate YARA matching approach because the analyst is searching for an encoded representation of ActiveMime , not necessarily the literal plaintext string. The grep -rail ActiveMime * command performs a case-insensitive recursive search for the textual value ActiveMime. If the payload contains that value encoded-commonly through Base64 or another transformed representation-the literal byte sequence will not be present and grep will therefore fail to identify it.
YARA is designed specifically for pattern-based identification of malicious or suspicious content. Its string modifiers support encoded representations. YARA's official documentation states that the base64 modifier searches for Base64-encoded forms of a specified string, while base64wide extends this behavior to wide- character representations. Therefore, a rule constructed to detect the encoded form of ActiveMime can identify relevant documents without requiring the literal plaintext sequence to occur in the file.
The essential examination concept is the distinction between literal text searching and malware-oriented encoded-pattern matching . Rules that search only for ordinary ASCII ActiveMime reproduce the limitation of the unsuccessful grep command.
Study Guide Reference: Security Operations # Malware Analysis # YARA # Signature/Pattern Matching # Encoded Content # Base64/Base64wide # File Analysis.

NEW QUESTION # 172
A vendor releases details of a new vulnerability. When an analyst reviews the scheduled scans, no vulnerabilities are identified. The vulnerability is only discovered after a configuration change.
Which of the following scan types did the analyst configure?

A. External
B. Agent-based
C. Credentialed
D. Network

Answer: B

Explanation:
An agent-based scan relies on software installed directly on the endpoint to collect local system state and report vulnerability or configuration information to the management platform. Because the agent has local visibility, its findings can be influenced by endpoint configuration, agent policy, update state, privileges, enabled assessment modules, or configuration changes that determine what information is collected and evaluated.
The scenario indicates that regularly scheduled assessment activity initially failed to identify the newly disclosed vulnerability, but the condition became visible after a configuration change. Among the available choices, that behavior most strongly aligns with an agent-based assessment whose local collection or assessment configuration had to be updated before the vulnerability could be detected.
An external scan evaluates systems from outside the organizational boundary and focuses primarily on externally reachable services. A network scan examines hosts and services remotely and is governed mainly by network reachability and scanner capabilities. A credentialed scan authenticates into a system to obtain deeper visibility, but the defining characteristic in the question is the persistent endpoint-based assessment affected by configuration.
CySA+ vulnerability-management objectives distinguish assessment techniques by perspective, authentication level, deployment method, and resulting visibility. Analysts must understand why different scanning architectures can produce different findings.
Study Guide Reference: Vulnerability Management # Vulnerability Scanning Methods # Agent-Based Scanning # Network Scanning # Credentialed Scanning # Scan Configuration and Coverage.

NEW QUESTION # 173
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