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| Certification Vendor: | CompTIA |
|---|---|
| Exam Name: | CompTIA Cybersecurity Analyst (CySA+) Certification Exam CS0-003 |
| Exam Number: | CS0-003 |
| Available Languages: | Japanese, English, Portuguese, Thai |
| Certificate Validity Period: | 3 years |
| Exam Format: | Multiple-choice, Performance-based questions |
| Real Exam Qty: | Up to 85 |
| Related Certifications: | CompTIA PenTest+ CompTIA Network+ CompTIA Security+ |
| Exam Duration: | 165 minutes |
| Passing Score: | 750 (on a scale of 100-900) |
| Exam Price: | USD 392 (may vary by region/tax) |
| Recommended Training: | CompTIA CertMaster Learn CySA+ Cybrary CySA+ Training |
| Exam Registration: | CompTIA Certification Portal Pearson VUE Exam Registration |
| Sample Questions: | CompTIA CS0-003 Sample Questions |
| Exam Way: | Online proctored or in-person at Pearson VUE testing centers |
| Pre Condition: | Recommended: CompTIA Security+ or equivalent knowledge in networking and security fundamentals |
| Official Syllabus URL: | https://www.comptia.org/certifications/cybersecurity-analyst |
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CompTIA CS0-003 Certification Exam is an intermediate-level certification that is ideal for cybersecurity analysts who want to advance their careers. CompTIA Cybersecurity Analyst (CySA+) Certification Exam certification exam is designed to equip cybersecurity analysts with the necessary skills to perform threat analysis, vulnerability management, and incident response. CompTIA Cybersecurity Analyst (CySA+) Certification Exam certification exam covers various topics such as network security, threat management, security operations, and incident response.
NEW QUESTION # 44
A security operations center analyst is reviewing a scan report and must prioritize items for remediation based on severity:
The Chief Information Security Officer requires the following:
* Encryption in transit
* Encryption at rest
* Encryption of customer data
Which of the following databases should the analyst remediate first?
Answer: B
Explanation:
The CISO's requirements prioritize protecting customer (sensitive) data with encryption both in transit and at rest. The database that violates the most critical requirements-especially for sensitive/customer data-should be remediated first.
Why Database4 is the highest priority
Sensitive data + no encryption in transit (Port 80): Port 80 indicates HTTP (clear-text), which means no encryption in transit. Secbay explicitly states: "HTTP is a clear-text protocol that is generally secured via an SSL/TLS tunnel to produce HTTPS transmission." Uses weak/unsupported TLS version (TLS 1.1) + sensitive data: Even if TLS is "listed," TLS 1.1 is not considered acceptable in modern secure configurations. Secbay's protocol acceptability list marks TLS 1.1 = No (not acceptable), while TLS 1.2/1.3 are acceptable.
Customer data must be encrypted in transit and at rest: Secbay provides the exact requirement-style statement:
"The organization implements encryption for sensitive data both in transit and at rest... Sensitive customer data is encrypted..." So Database4 is the most severe because it involves Sensitive (customer) data while failing the "encryption in transit" requirement (HTTP/80) and also relying on an unacceptable TLS version (1.1).
Why the other databases are lower priority
Database3: TLS 1.2 on 443 + encryption at rest enabled + sensitive data # it already meets the CISO requirements.
Database2: Port 80 (no transit encryption) and encryption at rest disabled, but the data type is proprietary, not explicitly customer/sensitive. It is still important, but Database4 is worse because it impacts sensitive
/customer data.
Database1: Data type is public; while TLS 1.1 is weak, it does not violate the "customer data" requirement and is less severe than Database4's clear-text transport for sensitive data.
References (CompTIA CySA+ CS0-003 documents / study guides used):
Secbay Press, CompTIA CySA+ Exam Prep Guide (CS0-003): encrypt sensitive customer data in transit and at rest Secbay Press, CompTIA CySA+ Exam Prep Guide (CS0-003): HTTP is clear-text; TLS 1.1 not acceptable while TLS 1.2/1.3 are acceptable
NEW QUESTION # 45
A security analyst reviews the following Arachni scan results for a web application that stores PII data:
Which of the following should be remediated first?
Answer: B
Explanation:
SQL injection should be remediated first, as it is a high-severity vulnerability that can allow an attacker to execute arbitrary SQL commands on the database server and access, modify, or delete sensitive data, including PII. According to the Arachni scan results, there are two instances of SQL injection and three instances of blind SQL injection (two timing attacks and one differential analysis) in the web application.
These vulnerabilities indicate that the web application does not properly validate or sanitize the user input before passing it to the database server, and thus exposes the database to malicious queries12. SQL injection can have serious consequences for the confidentiality, integrity, and availability of the data and the system, and can also lead to further attacks, such as privilege escalation, data exfiltration, or remote code execution34.
Therefore, SQL injection should be the highest priority for remediation, and the web application should implement input validation, parameterized queries, and least privilege principle to prevent SQL injection attacks5. References: Web application testing with Arachni | Infosec, How do I create a generated scan report for PDF in Arachni Web ..., Command line user interface Arachni/arachni Wiki GitHub, SQL Injection - OWASP, Blind SQL Injection - OWASP, SQL Injection Attack: What is it, and how to prevent it., SQL Injection Cheat Sheet & Tutorial | Veracode
NEW QUESTION # 46
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?
Answer: D
Explanation:
The MTTR (Mean Time to Resolution) decreases by 20% is the best possible outcome that this effort hopes to achieve, as it reflects the improvement in the efficiency and effectiveness of the incident response process by reducing analyst alert fatigue. Analyst alert fatigue is a term that refers to the phenomenon of security analysts becoming overwhelmed, desensitized, or exhausted by the large number of alerts they receive from various security tools or systems, such as DLP (Data Loss Prevention) or CASB (Cloud Access Security Broker).
DLP is a security solution that helps to prevent unauthorized access, use, or transfer of sensitive data, such as personal information, intellectual property, or financial records. CASB is a security solution that helps to monitor and control the use of cloud-based applications and services, such as SaaS (Software as a Service), PaaS (Platform as a Service), or IaaS (Infrastructure as a Service). Both DLP and CASB can generate alerts when they detect potential data breaches, policy violations, or malicious activities, but they can also produce false positives, irrelevant information, or duplicate notifications that can overwhelm or distract the security analysts. Analyst alert fatigue can have negative consequences for the security posture and performance of an organization, such as missing or ignoring critical alerts, delaying or skipping investigations or remediations, making errors or mistakes, or losing motivation or morale. Therefore, it is important to reduce analyst alert fatigue and optimize the alert management process by using various strategies, such as tuning the alert thresholds and rules, prioritizing and triaging the alerts based on severity and context, enriching and correlating the alerts with additional data sources, automating or orchestrating repetitive or low-level tasks or actions, or integrating and consolidating different security tools or systems into a unified platform. By reducing analyst alert fatigue and optimizing the alert management process, the effort hopes to achieve a decrease in the MTTR, which is a metric that measures the average time it takes to resolve an incident from the moment it is reported to the moment it is closed. A lower MTTR indicates a faster and more effective incident response process, which can help to minimize the impact and damage of security incidents, improve customer satisfaction and trust, and enhance security operations and outcomes. The other options are not as relevant or realistic as the MTTR decreases by 20%, as they do not reflect the best possible outcome that this effort hopes to achieve. SIEM ingestion logs are reduced by 20% is not a relevant outcome, as it does not indicate any improvement in the incident response process or any reduction in analyst alert fatigue. SIEM (Security Information and Event Management) is a security solution that collects and analyzes data from various sources, such as logs, events, or alerts, and provides security monitoring, threat detection, and incident response capabilities. SIEM ingestion logs are records of the data that is ingested by the SIEM system from different sources. Reducing SIEM ingestion logs may imply less data volume or less data sources for the SIEM system, which may not necessarily improve its performance or accuracy. Phishing alerts drop by 20% is not a realistic outcome, as it does not depend on the integration of DLP and CASB or any reduction in analyst alert fatigue. Phishing alerts are notifications that indicate potential phishing attempts or attacks, such as fraudulent emails, websites, or messages that try to trick users into revealing sensitive information or installing malware. Phishing alerts can be generated by various security tools or systems, such as email security solutions, web security solutions, endpoint security solutions, or user awareness training programs.
Reducing phishing alerts may imply less phishing attempts or attacks on the organization, which may not necessarily be influenced by the integration of DLP and CASB or any reduction in analyst alert fatigue. False positive rates drop to 20% is not a realistic outcome
NEW QUESTION # 47
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?
Answer: C
NEW QUESTION # 48
An analyst reviews the following list of vulnerabilities:
CVE ID | CVSS | Weaponized | Count | Location
CVE-2024-9837 | 9.2 | Yes | 58 | Internal
CVE-2024-9964 | 9.0 | Yes | 37 | Internal
CVE-2023-8524 | 9.1 | Yes | 24 | External
CVE-2024-1587 | 8.7 | Yes | 55 | Internal
The analyst determines that CVE-2023-8524 is the highest priority for remediation and should be patched immediately. Which of the following did the analyst use to determine the priority of remediation efforts?
Answer: D
Explanation:
The correct answer is A. The analyst did not choose the vulnerability with the highest CVSS score or highest count. The selected vulnerability is the only one marked External, meaning the analyst used context awareness. External exposure increases the likelihood of exploitation.
The All-in-One CySA+ guide explains that context awareness means weighing vulnerability risk based on the situation, including whether the affected system is internal, external, or isolated. It states that external systems may require faster remediation because they are more exposed to attacks. The Secbay guide also states that external vulnerabilities may receive higher priority due to increased risk exposure.
Why the other options are incorrect:
B is incorrect because the table does not provide business criticality or asset value.
C is incorrect because all listed vulnerabilities are weaponized, so exploit availability does not distinguish the selected CVE.
D is incorrect because recurrence/count is not the deciding factor; the selected vulnerability has a lower count than others.
A is correct because the external location provides the prioritization context.
NEW QUESTION # 49
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