Free CS0-003 Exam Braindumps
CompTIA CySA+ (CS0-003) Questions 177–184 (page: 24)

Updated On: 7-Jun-2026

After a security assessment was done by a third-party consulting firm, the cybersecurity program recommended integrating DLP and CASB to reduce analyst alert fatigue. Which of the following is the best possible outcome that this effort hopes to achieve?

  1. SIEM ingestion logs are reduced by 20%.
  2. Phishing alerts drop by 20%.
  3. False positive rates drop to 20%.
  4. The MTTR decreases by 20%.

Answer(s): C

Explanation:

Option C is correct because reducing false positive rates directly mitigates analyst alert fatigue by making alerts more actionable and trustworthy, improving SOC efficiency and decision quality. A) SIEM ingestion logs reduced by 20% is not a primary goal of DLP/CASB integration and may risk missing legitimate events. B) Phishing alerts dropping 20% is more a result of user training and phishing defense, not primarily DLP/CASB integration. D) MTTR decreasing by 20% is a potential downstream benefit but not the primary outcome tied to alert quality; false positives drive MTTR more directly.



Which of the following threat actors is most likely to target a company due to its questionable environmental policies?

  1. Hacktivist
  2. Organized crime
  3. Nation-state
  4. Lone wolf

Answer(s): A

Explanation:

Option A is correct because hacktivists target organizations to protest policies or actions they deem unethical, often leveraging cyber means to draw attention to environmental or social issues. Incorrect — B (Organized crime) focuses on financial gain through illicit activity rather than policy-driven advocacy. Incorrect — C (Nation-state) actors pursue strategic objectives, espionage, or disruption aligned with national interests, not typically driven by environmental policy critique. Incorrect — D (Lone wolf) individuals act independently; while motivations vary, environmental policy targeting is more characteristic of organized activism (hacktivism) than lone actors.



A cybersecurity analyst is recording the following details:

ID



Name



Description



Classification of information



Responsible party



In which of the following documents is the analyst recording this information?

  1. Risk register
  2. Change control documentation
  3. Incident response playbook
  4. Incident response plan

Answer(s): A

Explanation:

Option A is correct because a risk register documents risk details including ID, name/description, classification of information, and responsible party, aligning with risk management artifacts in CS0-003. Incorrect — B (Change control documentation) tracks changes to systems and configurations, not risk attributes. Incorrect — C (Incident response playbook) provides procedures for incident handling, not a centralized risk record with classifications and ownership. Incorrect — D (Incident response plan) outlines the organization’s IR governance and steps, not the specific risk data fields described.



A SOC manager is establishing a reporting process to manage vulnerabilities. Which of the following would be the best solution to identify potential loss incurred by an issue?

  1. Trends
  2. Risk score
  3. Mitigation
  4. Prioritization

Answer(s): B

Explanation:

Option B is correct because a risk score quantifies potential loss by combining likelihood and impact to prioritize vulnerabilities and quantify expected loss for decision making. A) Trends describe historical data over time but do not directly quantify potential loss. C) Mitigation refers to actions taken to reduce risk, not the measurement of potential loss. D) Prioritization orders issues but may rely on qualitative judgments rather than a quantified risk score. Correct — risk scoring provides a standardized metric for reporting potential loss and guiding remediation priorities.



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?

  1. If appropriate logging levels are set
  2. NTP configuration on each system
  3. Behavioral correlation settings
  4. Data normalization rules

Answer(s): B

Explanation:

Option B is correct because accurate time synchronization (NTP) is foundational for correlating incidents across disparate systems; without aligned timestamps, event ordering and cross-system correlation fail. Incorrect — A: Logging levels affect data volume and completeness but do not address time alignment essential for correlation. Incorrect — C: Behavioral correlation settings are important but presuppose synchronized data; they don’t fix timestamp inconsistencies. Incorrect — D: Data normalization rules affect schema consistency, yet without synchronized timestamps, correlation across systems remains unreliable.



During a scan of a web server in the perimeter network, a vulnerability was identified that could be exploited over port 3389. The web server is protected by a WAF. Which of the following best represents the change to overall risk associated with this vulnerability?

  1. The risk would not change because network firewalls are in use
  2. The risk would decrease because RDP is blocked by the firewall
  3. The risk would decrease because a web application firewall is in place
  4. The risk would increase because the host is external facing

Answer(s): D

Explanation:

Option D is correct because the vulnerability via port 3389 (RDP) on an externally exposed web server increases external-facing risk; external exposure elevates potential impact and exploitability regardless of other controls.
A) Incorrect — Firewalls do not guarantee unchanged risk when a host remains externally reachable; external exposure still poses risk.
B) Incorrect — Blocking RDP at a firewall could reduce risk, but the scenario specifies the host is protected by a WAF, not that RDP is blocked; also gateway exposure remains a factor.
C) Incorrect — A WAF protects web applications, not RDP services on the host; risk from an RDP vulnerability persists if the host is externally reachable.



Several vulnerability scan reports have indicated runtime errors as the code is executing. The dashboard that lists the errors has a command-line interface for developers to check for vulnerabilities. Which of the following will enable a developer to correct this issue? (Choose two.)

  1. Performing dynamic application security testing
  2. Reviewing the code
  3. Fuzzing the application
  4. Debugging the code
  5. Implementing a coding standard
  6. Implementing IDS

Answer(s): B,D

Explanation:

Option B is correct because reviewing the code helps identify logic and runtime errors causing the reported issues, enabling targeted remediation. Option D is correct because debugging the code directly observes and fixes the problematic execution paths that produce runtime errors in the vulnerability reports. Incorrect — A: Performing dynamic application security testing may discover vulnerabilities but does not specifically fix runtime errors in code. Incorrect — C: Fuzzing stress-tests inputs, not necessarily diagnosing or correcting existing runtime errors during execution. Incorrect — E: Implementing a coding standard improves code quality but does not address actual runtime error fixes. Incorrect — F: Implementing IDS detects intrusions, not code-level runtime errors.



A security analyst is trying to validate the results of a web application scan with Burp Suite. The security analyst performs the following:



Which of the following vulnerabilities is the security analyst trying to validate?

  1. SQL injection
  2. LFI
  3. XSS
  4. CSRF

Answer(s): B

Explanation:

Option B is correct because LFI (Local File Inclusion) validation with Burp Suite involves verifying whether the application can be tricked into including local server files, which is a common test scenario for Burp-driven assessment. A) SQL injection is validated by parameter tampering to induce database errors or exfiltration, not typically via LFI workflows. C) XSS focuses on reflection or stored script execution in browsers, not file inclusion. D) CSRF targets unauthorized actions by authenticated users, verified through token-based or state-changing requests rather than file access. INSUFFICIENT_KNOWLEDGE



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