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CompTIA CySA+ (CS0-003) Questions 273–280 (page: 36)

Updated On: 7-Jun-2026

An organization has a critical financial application hosted online that does not allow event logging to send to the corporate SIEM. Which of the following is the best option for the security analyst to configure to improve the efficiency of security operations?

  1. Configure a new SIEM specific to the management of the hosted environment.
  2. Subscribe to a threat feed related to the vendor's application.
  3. Use a vendor-provided API to automate pulling the logs in real time.
  4. Download and manually import the logs outside of business hours.

Answer(s): C

Explanation:

Using a vendor-provided API allows the security analyst to automate the process of retrieving logs from the hosted environment in real time, improving the efficiency and timeliness of security monitoring without needing to rely on manual processes. This method allows for continuous monitoring and integration of the logs into the organization's security operations.



After an incident, a security analyst needs to perform a forensic analysis to report complete information to a company stakeholder. Which of the following is most likely the goal of the forensic analysis in this case?

  1. Provide a full picture of the existing risks.
  2. Notify law enforcement of the incident.
  3. Further contain the incident.
  4. Determine root cause information.

Answer(s): D

Explanation:

The primary goal of forensic analysis after an incident is to determine the root cause--how the incident occurred, what systems were affected, and how the attacker gained access. This information is crucial for understanding the incident fully and providing a comprehensive report to stakeholders, allowing the organization to take corrective actions to prevent future incidents.



Which of the following is the most important reason for an incident response team to develop a formal incident declaration?

  1. To require that an incident be reported through the proper channels
  2. To identify and document staff who have the authority to decrease an incident
  3. To allow for public disclosure of a security event impacting the organization
  4. To establish the department that responsible for responding to an incident

Answer(s): A

Explanation:

A formal incident declaration ensures that incidents are recognized and reported appropriately, following a structured process. This enables the incident response team to act swiftly and efficiently, ensuring the incident is escalated to the correct personnel and handled properly within the organization's response framework.



An organization has established a formal change management process after experiencing several critical system failures over the past year. Which of the following are key factors that the change management process will include in order to reduce the impact of system failures? (Choose two.)

  1. Ensure users the document system recovery plan prior to deployment.
  2. Perform a full system-level backup following the change.
  3. Leverage an audit tool to identify changes that are being made.
  4. Identify assets with dependence that could be impacted by the change.
  5. Require diagrams to be completed for all critical systems.
  6. Ensure that all assets are properly listed in the inventory management system.

Answer(s): A,D

Explanation:

These are key factors in a formal change management process that can help reduce the impact of system failures:
Identify assets with dependence that could be impacted by the change: This is crucial to ensure that changes do not inadvertently affect other critical systems that are dependent on the changed asset, helping to avoid cascading failures.
Leverage an audit tool to identify changes that are being made: Using audit tools to track and monitor changes ensures accountability and helps to quickly identify and roll back any changes that may cause issues.



An analyst is suddenly unable to enrich data from the firewall. However, the other open intelligence feeds continue to work. Which of the following is the most likely reason in the firewall feed stopped working?

  1. The firewall service account was locked out.
  2. The firewall was using a paid feed.
  3. The firewall certificate expired.
  4. The firewall failed open.

Answer(s): A

Explanation:

If the analyst is suddenly unable to enrich data from the firewall, but other intelligence feeds continue to work, it's likely that the firewall service account (which is used to access and transmit data) has been locked out.
This would prevent the data feed from working correctly, while other feeds not reliant on the same account would remain operational.



A security analyst would like to integrate two different SaaS-based security tools so that one tool can notify the other in the event a threat is detected. Which of the following should the analyst utilize to best accomplish this goal?

  1. SMB share
  2. API endpoint
  3. SMTP notification
  4. SNMP trap

Answer(s): B

Explanation:

API endpoints are designed to allow different applications or tools to communicate with each other. By utilizing an API, one SaaS-based security tool can send notifications or data directly to another tool when a threat is detected, enabling automated integration between the two services.



An analyst is imaging a hard drive that was obtained from the system of an employee who is suspected of going rogue. The analyst notes that the initial hash of the evidence drive does not match the resultant hash of the imaged copy. Which of the following best describes the reason for the conflicting investigative findings?

  1. Chain of custody was not maintained for the evidence drive.
  2. Legal authorization was not obtained prior to seizing the evidence drive.
  3. Data integrity of the imaged drive could not be verified.
  4. Evidence drive imaging was performed without a write blocker.

Answer(s): D

Explanation:

When imaging a hard drive for forensic purposes, it is crucial to use a write blocker to prevent any alterations to the original drive. A write blocker ensures that the source drive is only read from and not written to during the imaging process. Without a write blocker, there is a risk of unintentional modifications to the drive, which would alter the hash value and compromise the data's integrity. This mismatch in hash values between the original evidence drive and the imaged copy indicates that the original data may have been altered during the imaging process, likely due to the lack of a write blocker.



A development team is preparing to roll out a beta version of a web application and wants to quickly test for vulnerabilities, including SQL injection, path traversal, and cross-site scripting. Which of the following tools would the security team most likely recommend to perform this test?

  1. Hashcat
  2. OpenVAS
  3. OWASP ZAP
  4. Nmap

Answer(s): C

Explanation:

OWASP ZAP (Zed Attack Proxy) is a popular tool designed for testing web applications for various vulnerabilities, including SQL injection, path traversal, and cross-site scripting (XSS). It is specifically built for finding vulnerabilities in web applications and can be used to perform automated scanning and manual testing.
Given its focus on web application security, OWASP ZAP is well-suited for quickly assessing the security of a beta web application before deployment.



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