CS0-003 Certification Test Questions - CS0-003 Valid Test Preparation

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CompTIA CS0-003 Exam Syllabus Topics:

Section Weight Objectives
Security Operations 33% - Threat intelligence usage
  • 1. Indicators of Compromise (IoCs)
  • 2. Threat actor profiling
- Monitoring security environments
  • 1. SIEM analysis and alerting
  • 2. Log analysis and interpretation
Incident Response and Management 33% - Incident handling lifecycle
  • 1. Containment, eradication, recovery
  • 2. Detection and analysis
- Reporting and communication
  • 1. Incident documentation
  • 2. Stakeholder communication
Vulnerability Management 34% - Remediation and mitigation
  • 1. Patch management
  • 2. Risk prioritization
- Vulnerability identification
  • 1. Assessment of system weaknesses
  • 2. Scanning tools and techniques

>> CS0-003 Certification Test Questions <<

CS0-003 - Pass-Sure CompTIA Cybersecurity Analyst (CySA+) Certification Exam Certification Test Questions

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CompTIA Cybersecurity Analyst (CySA+) Certification Exam Sample Questions (Q37-Q42):

NEW QUESTION # 37
An analyst is evaluating the following vulnerability report:

Which of the following vulnerability report sections provides information about the level of impact on data confidentiality if a successful exploitation occurs?

  • A. Profile
  • B. Payloads
  • C. Metrics
  • D. Vulnerability

Answer: C

Explanation:
The correct answer is B. Metrics.
The Metrics section of the vulnerability report provides information about the level of impact on data confidentiality if a successful exploitation occurs. The Metrics section contains the CVE dictionary entry and the CVSS base score of the vulnerability. CVE stands for Common Vulnerabilities and Exposures and it is a standardized system for identifying and naming vulnerabilities. CVSS stands for Common Vulnerability Scoring System and it is a standardized system for measuring and rating the severity of vulnerabilities.
The CVSS base score is a numerical value between 0 and 10 that reflects the intrinsic characteristics of a vulnerability, such as its exploitability, impact, and scope. The CVSS base score is composed of three metric groups: Base, Temporal, and Environmental. The Base metric group captures the characteristics of a vulnerability that are constant over time and across user environments. The Base metric group consists of six metrics: Attack Vector, Attack Complexity, Privileges Required, User Interaction, Scope, and Impact. The Impact metric measures the effect of a vulnerability on the confidentiality, integrity, and availability of the affected resources.
In this case, the CVSS base score of the vulnerability is 9.8, which indicates a critical severity level. The Impact metric of the CVSS base score is 6.0, which indicates a high impact on confidentiality, integrity, and availability. Therefore, the Metrics section provides information about the level of impact on data confidentiality if a successful exploitation occurs.
The other sections of the vulnerability report do not provide information about the level of impact on data confidentiality if a successful exploitation occurs. The Payloads section contains links to request and response payloads that demonstrate how the vulnerability can be exploited. The Payloads section can help an analyst to understand how the attack works, but it does not provide a quantitative measure of the impact. The Vulnerability section contains information about the type, group, and description of the vulnerability. The Vulnerability section can help an analyst to identify and classify the vulnerability, but it does not provide a numerical value of the impact. The Profile section contains information about the authentication, times viewed, and aggressiveness of the vulnerability. The Profile section can help an analyst to assess the risk and priority of the vulnerability, but it does not provide a specific measure of the impact on data confidentiality.
References:
[1] CVE - Common Vulnerabilities and Exposures (CVE)
[2] Common Vulnerability Scoring System SIG
[3] CVSS v3.1 Specification Document
[4] CVSS v3.1 User Guide
[5] How to Read a Vulnerability Report - Security Boulevard

 

NEW QUESTION # 38
A security analyst provides the management team with an after-action report for a security incident. Which of the following is the management team most likely to review in order to correct validated issues with the incident response processes?

  • A. Forensic analysis
  • B. Lessons learned
  • C. Tabletop exercise
  • D. Root cause analysis

Answer: B

Explanation:
The lessons learned phase is a formal step in the incident response process where teams review what went wrong, what worked, and how to improve future responses. Management uses this to adjust policies, procedures, and controls based on real incident experiences.
Tabletop (A) is a simulated discussion, not post-incident.
Root cause analysis (C) finds technical origins but doesn't focus on process improvement.
Forensics (D) supports investigation but not process revision.
Reference:
CS0-003 Domain 3.0 - Post-Incident Activities
Chapple & Seidl - Study Guide, Chapter 11: Containment and Recovery

 

NEW QUESTION # 39
An analyst is investigating a phishing incident and has retrieved the following as part of the investigation:
cmd.exe /c c:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe -WindowStyle Hidden -ExecutionPolicy Bypass -NoLogo -NoProfile -EncodedCommand <VERY LONG STRING> Which of the following should the analyst use to gather more information about the purpose of this command?

  • A. Use a command console with administrator privileges to execute the code.
  • B. Execute the command from a Windows VM.
  • C. Echo the command payload content into 'base64 -d'.
  • D. Run the command as an unprivileged user from the analyst workstation.

Answer: C

Explanation:
The command in question involves an encoded PowerShell command, which is typically used by attackers to obfuscate malicious scripts. To decode and understand the payload, one would need to decode the base64 encoded string. This is why option A is the correct answer, as 'base64 -d' is a command used to decode data encoded with base64. This process will reveal the plaintext of the encoded command, which can then be analyzed to understand the actions that the attacker was attempting to perform. Option B is risky and not advised without a controlled and isolated environment. Option C is not safe because executing unknown or suspicious code with administrator privileges could cause harm to the system or network. Option D also poses a risk of executing potentially harmful code on an analyst's workstation.

 

NEW QUESTION # 40
An analyst receives an alert for suspicious IIS log activity and reviews the following entries:
2024-05-23
15:57:05 10.203.10.16 HEAT / - 80 - 10.203.10.17 DirBuster-1.0-RC1+(http://www.owasp.org/index.php
/Category:OWASP_DirBuster_Project)
...
Which of the following will the analyst infer from the logs?

  • A. An attacker is exfiltrating data from the network.
  • B. An attacker is cloning the website.
  • C. An attacker is performing network lateral movement.
  • D. An attacker is conducting reconnaissance of the website.

Answer: D

Explanation:
Comprehensive and Detailed Step-by-Step Explanation:The logs indicate that the OWASP DirBuster tool is being used. This tool is designed for directory brute-forcing to find hidden files or directories on a web server, which aligns with reconnaissance activities. The series of GET and HEAD requests further confirm directory and file enumeration attempts.

 

NEW QUESTION # 41
An analyst receives alerts that state the following traffic was identified on the perimeter network firewall:

Which of the following best describes the indicator of compromise that triggered the alerts?

  • A. Denial of service
  • B. Bandwidth saturation
  • C. Anomalous activity
  • D. Cryptomining

Answer: D

Explanation:
The given firewall logs indicatehigh outbound traffic with low IP reputation, sustained over time, which is a strongindicator of cryptomining activity.
* Option A (Anomalous activity)is a general term but does not specifywhythe activity is suspicious.
* Option B (Bandwidth saturation)occurs when network traffic is overwhelming, but cryptomining typicallyuses CPU/GPU powerrather than overwhelming bandwidth.
* Option D (Denial of service - DoS)would result incontinuous large requests, but cryptomining generatesconsistent, high-bandwidth outbound trafficrather than bursts of large requests.
Thus,C is the correct answer, as cryptomininggenerates unusual outbound network activity from internal hosts to mining pools.

 

NEW QUESTION # 42
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