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CompTIA CS0-004 Exam Syllabus Topics:

Section	Weight	Objectives
Vulnerability Management	26%	- Vulnerability Assessment and Remediation 1. Vulnerability Scanning and Assessment 2. Cloud and Container Security Vulnerabilities 3. Vulnerability Prioritization and Risk Assessment 4. Remediation Verification and Tracking
Incident Response and Management	24%	- Incident Handling and Investigation 1. Containment, Eradication, and Recovery 2. Incident Response Lifecycle and Frameworks 3. Post-Incident Activities and Lessons Learned 4. Evidence Collection and Forensic Fundamentals
Security Operations	34%	- Security Monitoring and Analysis 1. SIEM Implementation and Analysis 2. System and Network Architecture Security 3. Endpoint, Network, and Cloud Monitoring 4. Threat Detection and Threat Hunting 5. SOAR, EDR, and XDR Concepts
Reporting and Communication	16%	- Documentation and Stakeholder Communication 1. Security Reporting and Documentation 2. Incident Reporting Requirements and Compliance 3. Risk Communication to Technical and Business Audiences

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CompTIA Cybersecurity Analyst (CySA+) Certification Exam Sample Questions (Q90-Q95):

NEW QUESTION # 90
An analyst prepares an after action report following an incident in which multiple systems were compromised over several days.
The analyst provides raw event logs from each compromised system in the report and determines that a patient-zero system cannot be found.
Which of the following should the analyst do to determine the patient-zero system?

A. Establish an accurate timeline of events.
B. Improve the content for incident updates during shift handoff.
C. Isolate the compromised systems before remediation.
D. Enable monitoring on the compromised systems.
E. Perform a reverse composition analysis on malware packages.

Answer: A

Explanation:
The analyst must construct an accurate incident timeline . Patient zero is the earliest compromised system from which subsequent malicious activity originated or propagated. Determining it requires ordering events chronologically across all affected hosts and correlating authentication activity, process execution, network connections, malware creation times, lateral movement, and other evidence.
Raw logs alone do not communicate this sequence effectively. Logs from different systems must first use reliable timestamps and then be normalized and correlated. Once events are ordered, the analyst can work backward from known compromises to determine which host displayed the earliest credible signs of intrusion and whether subsequent systems were reached from that host.
Enabling additional monitoring helps detect future activity but does not reconstruct historical sequence by itself. Isolation is necessary during containment but does not establish which system was initially compromised. Shift-handoff improvements are useful organizationally but do not answer the forensic question. Malware composition analysis may identify relationships between samples, but it does not establish system-level chronology.
NIST's incident-response guidance emphasizes analysis, documentation, root-cause understanding, and after- action reporting as inputs to continuous improvement.
Study Guide Reference: Incident Response and Management # Timeline Analysis # Event Correlation # Patient Zero # Root Cause Analysis # After-Action Review.

NEW QUESTION # 91
A security analyst detects that a large amount of data is being exfiltrated. The data contains confidential customer information. Which of the following should be done first in this situation?

A. Contact public relations so they can communicate with customers.
B. Inform law enforcement about the activities.
C. Identify stakeholders and communicate with them.
D. Declare an incident and contain the affected servers.

Answer: D

Explanation:
When active data exfiltration involving confidential customer information is detected, the immediate priority is to initiate incident response procedures and contain the affected systems to stop further data loss. Containment helps limit the impact of the breach before moving on to stakeholder notifications, external communications, or law enforcement involvement.

NEW QUESTION # 92
A SOC has SIEM configured to receive threat intelligence feeds from multiple external sources.
For certain tasks, there is no need for human interaction. Which of the following is the best solution to correlate events and provide valuable information to the analysts?

A. Webhooks
B. Threat feed combination
C. Data enrichment
D. Single pane of glass

Answer: C

Explanation:
Data enrichment automatically adds context from threat intelligence feeds, asset inventories, geolocation databases, and other sources to security events. This correlation provides analysts with more meaningful and actionable information while reducing the need for manual investigation, making it ideal when human interaction is not required for certain tasks.

NEW QUESTION # 93
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 an attacker's indicators of compromise.
B. TTP provides useful insights on the strategy and behavior of an attacker.
C. TTP provides useful insights on the hash values and internet protocol addresses attributed to an attacker.
D. TTP provides useful insights on the tools used by an attacker.

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 # 94
A vulnerability analyst conducts a security assessment on the Remote Desktop Protocol (RDP) security posture within the environment. The analyst issues the following command for the assessment:
nmap -p 3389 --script rdp* 10.0.0.0/24
The analyst receives responses, which are divided into one of the two categories, from 13 out of the 254 hosts:

Which of the following conclusions can the analyst make about the output on Category 2?

A. The systems are joined to an Active Directory domain and are using Kerberos as an authentication method.
B. The systems are joined to an Active Directory domain and using New Technology LAN Manager (NTLM) as an authentication method.
C. The systems are not joined to an Active Directory domain and are using NTLM as an authentication method.
D. The systems are not joined to an Active Directory domain and are using Kerberos as an authentication method.

Answer: C

Explanation:
The rdp-ntlm-info output identifies LOCALHOST as the domain and target name, indicating a local workgroup rather than Active Directory. The script output also confirms NTLM authentication.

NEW QUESTION # 95
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