Download CompTIA CSA+.CS0-003.DumpsMate.2025-06-01.304q.vcex

Vendor: CompTIA
Exam Code: CS0-003
Exam Name: CompTIA CSA+
Date: Jun 01, 2025
File Size: 15 MB

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Question 1
Which of the following would a security analyst most likely use to compare TTPs between different known adversaries of an organization?
  1.  MITRE ATTACK
  2.  Cyber Kill Cham
  3.  OWASP
  4.  STIXTAXII
Correct answer: A
Explanation:
MITRE ATT&CK is a framework and knowledge base that describes the tactics, techniques, and procedures (TTPs) used by various adversaries in cyberattacks. MITRE ATT&CK can help security analysts compare TTPs between different known adversaries of an organization, as well as identify patterns, gaps, or trends in adversary behavior. MITRE ATT&CK can also help security analysts improve threat detection, analysis, and response capabilities, as well as share threat intelligence with other organizations or communities
MITRE ATT&CK is a framework and knowledge base that describes the tactics, techniques, and procedures (TTPs) used by various adversaries in cyberattacks. MITRE ATT&CK can help security analysts compare TTPs between different known adversaries of an organization, as well as identify patterns, gaps, or trends in adversary behavior. MITRE ATT&CK can also help security analysts improve threat detection, analysis, and response capabilities, as well as share threat intelligence with other organizations or communities
Question 2
A security analyst is reviewing the logs of a web server and notices that an attacker has attempted to exploit a SQL injection vulnerability. 
Which of the following tools can the analyst use to analyze the attack and prevent future attacks?
  1.  A web application firewall
  2.  A network intrusion detection system
  3.  A vulnerability scanner
  4.  A web proxy
Correct answer: A
Explanation:
A web application firewall (WAF) is a tool that can protect web servers from attacks such as SQL injection, cross-site scripting, and other web-based threats. A WAF can filter, monitor, and block malicious HTTP traffic before it reaches the web server. A WAF can also be configured with rules and policies to detect and prevent specific types of attacks.References: CompTIA CySA+ Study Guide: Exam CS0-002, 2nd Edition, Chapter 3, “Security Architecture and Tool Sets”, page 91; CompTIA CySA+ Certification Exam Objectives Version 4.0, Domain 1.0 “Threat and Vulnerability Management”, Objective 1.2 “Given a scenario, analyze the results of a network reconnaissance”, Sub-objective “Web application attacks”, page 9CompTIA CySA+ Study Guide: Exam CS0-002, 2nd Edition : CompTIA CySA+ Certification Exam Objectives Version 4.0.pdf)
A web application firewall (WAF) is a tool that can protect web servers from attacks such as SQL injection, cross-site scripting, and other web-based threats. A WAF can filter, monitor, and block malicious HTTP traffic before it reaches the web server. A WAF can also be configured with rules and policies to detect and prevent specific types of attacks.
References: CompTIA CySA+ Study Guide: Exam CS0-002, 2nd Edition, Chapter 3, “Security Architecture and Tool Sets”, page 91; CompTIA CySA+ Certification Exam Objectives Version 4.0, Domain 1.0 “Threat and Vulnerability Management”, Objective 1.2 “Given a scenario, analyze the results of a network reconnaissance”, Sub-objective “Web application attacks”, page 9
CompTIA CySA+ Study Guide: Exam CS0-002, 2nd Edition : CompTIA CySA+ Certification Exam Objectives Version 4.0.pdf)
Question 3
The Chief Executive Officer (CEO) has notified that a confidential trade secret has been compromised. 
Which of the following communication plans should the CEO initiate?
  1.  Alert department managers to speak privately with affected staff.
  2.  Schedule a press release to inform other service provider customers of the compromise.
  3.  Disclose to all affected parties in the Chief Operating Officer for discussion and resolution.
  4.  Verify legal notification requirements of PII and SPII in the legal and human resource departments.
Correct answer: A
Explanation:
The CEO should initiate an alert to department managers to speak privately with affected staff. This is because the trade secret is confidential and should not be disclosed to the public. Additionally, the CEO should verify legal notification requirements of PII and SPII in the legal and human resource departments to ensure compliance with data protection laws.References: CompTIA CySA+ Study Guide: Exam CS0-002, 2nd Edition, Chapter 4, “Data Protection and Privacy Practices”, page 194; CompTIA CySA+ Certification Exam Objectives Version 4.0, Domain 4.0 “Compliance and Assessment”, Objective 4.1 “Given a scenario, analyze data as part of a security incident”, Sub-objective “Data classification levels”, page 23
The CEO should initiate an alert to department managers to speak privately with affected staff. This is because the trade secret is confidential and should not be disclosed to the public. Additionally, the CEO should verify legal notification requirements of PII and SPII in the legal and human resource departments to ensure compliance with data protection laws.
References: CompTIA CySA+ Study Guide: Exam CS0-002, 2nd Edition, Chapter 4, “Data Protection and Privacy Practices”, page 194; CompTIA CySA+ Certification Exam Objectives Version 4.0, Domain 4.0 “Compliance and Assessment”, Objective 4.1 “Given a scenario, analyze data as part of a security incident”, Sub-objective “Data classification levels”, page 23
Question 4
An organization conducted a web application vulnerability assessment against the corporate website, and the following output was observed:
 
Which of the following tuning recommendations should the security analyst share?
  1.  Set an HttpOnlvflaq to force communication by HTTPS
  2.  Block requests without an X-Frame-Options header
  3.  Configure an Access-Control-Allow-Origin header to authorized domains
  4. Disable the cross-origin resource sharing header
Correct answer: B
Explanation:
The output shows that the web application is vulnerable to clickjacking attacks, which allow an attacker to overlay a hidden frame on top of a legitimate page and trick users into clicking on malicious links. Blocking requests without an X-Frame-Options header can prevent this attack by instructing the browser to not display the page within a frame.
The output shows that the web application is vulnerable to clickjacking attacks, which allow an attacker to overlay a hidden frame on top of a legitimate page and trick users into clicking on malicious links. Blocking requests without an X-Frame-Options header can prevent this attack by instructing the browser to not display the page within a frame.
Question 5
Following a recent security incident, the Chief Information Security Officer is concerned with improving visibility and reporting of malicious actors in the environment. The goal is to reduce the time to prevent lateral movement and potential data exfiltration. Which of the following techniques will best achieve the improvement?
  1.  Mean time to detect
  2.  Mean time to respond
  3.  Mean time to remediate
  4.  Service-level agreement uptime
Correct answer: A
Explanation:
Mean time to detect (MTTD) is a metric that measures how quickly an organization can identify a security incident or a malicious actor in the environment. Reducing MTTD can improve visibility and reporting of threats, as well as prevent lateral movement and data exfiltration by detecting them sooner.
Mean time to detect (MTTD) is a metric that measures how quickly an organization can identify a security incident or a malicious actor in the environment. Reducing MTTD can improve visibility and reporting of threats, as well as prevent lateral movement and data exfiltration by detecting them sooner.
Question 6
You are a penetration tester who is reviewing the system hardening guidelines for a company. Hardening guidelines indicate the following.
  • There must be one primary server or service per device.
  • Only default port should be used
  • Non- secure protocols should be disabled.
  • The corporate internet presence should be placed in a protected subnet
Instructions :
  • Using the available tools, discover devices on the corporate network and the services running on these devices.
  • You must determine
  • ip address of each device
  • The primary server or service each device
  • The protocols that should be disabled based on the hardening guidelines
Correct answer: To work with this question, an Exam Simulator is required.
Explanation:
Answer below images   
Answer below images
 
 
Question 7
After completing a review of network activity. the threat hunting team discovers a device on the network that sends an outbound email via a mail client to a non-company email address daily at 10:00 p.m. Which of the following is potentially occurring?
  1.  Irregular peer-to-peer communication
  2. Rogue device on the network 
  3. Abnormal OS process behavior
  4.  Data exfiltration
Correct answer: D
Explanation:
Data exfiltration is the theft or unauthorized transfer or movement of data from a device or network. It can occur as part of an automated attack or manually, on-site or through an internet connection, and involve various methods. It can affect personal or corporate data, such as sensitive or confidential information. Data exfiltration can be prevented or detected by using compression, encryption, authentication, authorization, and other controls1The network activity shows that a device on the network is sending an outbound email via a mail client to a non-company email address daily at 10:00 p.m. This could indicate that the device is compromised by malware or an insider threat, and that the email is used to exfiltrate data from the network to an external party. The email could contain attachments, links, or hidden data that contain the stolen information. The timing of the email could be designed to avoid detection by normal network monitoring or security systems.
Data exfiltration is the theft or unauthorized transfer or movement of data from a device or network. It can occur as part of an automated attack or manually, on-site or through an internet connection, and involve various methods. It can affect personal or corporate data, such as sensitive or confidential information. Data exfiltration can be prevented or detected by using compression, encryption, authentication, authorization, and other controls1
The network activity shows that a device on the network is sending an outbound email via a mail client to a non-company email address daily at 10:00 p.m. This could indicate that the device is compromised by malware or an insider threat, and that the email is used to exfiltrate data from the network to an external party. 
The email could contain attachments, links, or hidden data that contain the stolen information. The timing of the email could be designed to avoid detection by normal network monitoring or security systems.
Question 8
Which of the following would likely be used to update a dashboard that integrates…..
  1.  Webhooks
  2.  Extensible Markup Language
  3.  Threat feed combination
  4.  JavaScript Object Notation
Correct answer: D
Explanation:
JavaScript Object Notation (JSON) is commonly used for transmitting data in web applications and would be suitable for updating dashboards that integrate various data sources. It's lightweight and easy to parse and generate.
JavaScript Object Notation (JSON) is commonly used for transmitting data in web applications and would be suitable for updating dashboards that integrate various data sources. It's lightweight and easy to parse and generate.
Question 9
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?
  1.  An attacker is performing network lateral movement.
  2.  An attacker is conducting reconnaissance of the website.
  3.  An attacker is exfiltrating data from the network.
  4.  An attacker is cloning the website.
Correct answer: B
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.References:CompTIA CySA+ Study Guide (Chapter 4: Reconnaissance Techniques)CompTIA CySA+ Objectives (Domain 1.3 Tools and Techniques)
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.
References:
  • CompTIA CySA+ Study Guide (Chapter 4: Reconnaissance Techniques)
  • CompTIA CySA+ Objectives (Domain 1.3 Tools and Techniques)
Question 10
A security analyst received an alert regarding multiple successful MFA log-ins for a particular user When reviewing the authentication logs the analyst sees the following:
Which of the following are most likely occurring, based on the MFA logs? (Select two).
  1.  Dictionary attack
  2.  Push phishing
  3.  impossible geo-velocity
  4.  Subscriber identity module swapping
  5.  Rogue access point
  6. Password spray
Correct answer: BC
Explanation:
С. Impossible geo-velocity: This is an event where a single user's account is accessed from different geographical locations within a timeframe that is impossible for normal human travel. In the log, we can see that the user "jdoe" is accessing from the United States and then within a few minutes from Russia, which is practically impossible to achieve without the use of some form of automated system or if the account credentials are being used by different individuals in different locations.В. Push phishing: This could also be an indication of push phishing, where the user is tricked into approving a multi-factor authentication request that they did not initiate. This is less clear from the logs directly, but it could be inferred if the user is receiving MFA requests that they are not initiating and are being approved without their genuine desire to access the resources.
С. Impossible geo-velocity: This is an event where a single user's account is accessed from different geographical locations within a timeframe that is impossible for normal human travel. In the log, we can see that the user "jdoe" is accessing from the United States and then within a few minutes from Russia, which is practically impossible to achieve without the use of some form of automated system or if the account credentials are being used by different individuals in different locations.
В. Push phishing: This could also be an indication of push phishing, where the user is tricked into approving a multi-factor authentication request that they did not initiate. This is less clear from the logs directly, but it could be inferred if the user is receiving MFA requests that they are not initiating and are being approved without their genuine desire to access the resources.
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