Question # 1
An analyst reviews a recent government alert on new zero-day threats and finds the following CVE metrics for the most critical of the vulnerabilities:
CVSS: 3.1/AV:N/AC: L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:W/RC:R Which of the following represents the exploit code maturity of this critical vulnerability?
| A. E:U
| B. S:C
| C. RC:R
| D. AV:N
| E. AC:L
|
A. E:U
Explanation:
The exploit code maturity of a vulnerability is indicated by the E metric in the CVSS temporal score. The value of U means that no exploit code is available or unknown1. The other options are not related to the exploit code maturity, but to other aspects of the vulnerability, such as attack vector, scope, availability, and complexity1.
Question # 2
An organization has experienced a breach of customer transactions. Under the terms of PCI DSS, which of the following groups should the organization report the breach to?
| A. PCI Security Standards Council
| B. Local law enforcement
| C. Federal law enforcement
| D. Card issuer
|
D. Card issuer
Explanation:
Under the terms of PCI DSS, an organization that has experienced a breach of customer transactions should report the breach to the card issuer. The card issuer is the financial institution that issues the payment cards to the customers and that is responsible for authorizing and processing the transactions. The card issuer may have specific reporting requirements and procedures for the organization to follow in the event of a breach. The organization should also notify other parties that may be affected by the breach, such as customers, law enforcement, or regulators, depending on the nature and scope of the breach.
Official References:
https://www.pcisecuritystandards.org/
Question # 3
Which of the following threat-modeling procedures is in the OWASP Web Security Testing Guide?
| A. Review Of security requirements
| B. Compliance checks
| C. Decomposing the application
| D. Security by design
|
C. Decomposing the application
Explanation:
The OWASP Web Security Testing Guide (WSTG) includes a section on threat modeling, which is a structured approach to identify, quantify, and address the security risks associated with an application. The first step in the threat modeling process is decomposing the application, which involves creating use cases, identifying entry points, assets, trust levels, and data flow diagrams for the application. This helps to understand the application and how it interacts with external entities, as well as to identify potential threats and vulnerabilities1. The other options are not part of the OWASP WSTG threat modeling process.
Question # 4
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?
| A. SQL injection
| B. RFI
| C. XSS
| D. Code injection
|
A. SQL injection
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
Question # 5
New employees in an organization have been consistently plugging in personal webcams despite the company policy prohibiting use of personal devices. The SOC manager discovers that new employees are not aware of the company policy. Which of the following will the SOC manager most likely recommend to help ensure new employees are accountable for following the company policy? | | A. Human resources must
email a copy of a user agreement to all new employees | | B. Supervisors must get verbal confirmation from new employees indicating they have read the user agreement | | C. All new employees must take a test about the company security policy during the cjitoardmg process | | D. All new employees must sign a user agreement to acknowledge the company security policy |
D. All new employees must sign a user agreement to acknowledge the company security policy
The best action that the SOC manager can recommend to help ensure new employees are accountable for following the company policy is to require all new employees to sign a user agreement to acknowledge the company security policy. A user agreement is a document that defines the rights and responsibilities of the users regarding the use of the company’s systems, networks, or resources, as well as the consequences of violating the company’s security policy. Signing a user agreement can help ensure new employees are aware of and agree to comply with the company security policy, as well as hold them accountable for any breaches or incidents caused by their actions or inactions.
Question # 6
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 the firewall feed stopped working?
| A. The firewall service account was locked out.
| B. The firewall was using a paid feed.
| C. The firewall certificate expired.
| D. The firewall failed open.
|
C. The firewall certificate expired.
Explanation:
The firewall certificate expired. If the firewall uses a certificate to authenticate and encrypt the feed, and the certificate expires, the feed will stop working until the certificate is renewed or replaced. This can affect the data enrichment process and the security analysis. References: CompTIA CySA+ Study Guide: Exam CS0-003, 3rd Edition, Chapter 4: Security Operations and Monitoring, page 161.
Question # 7
An organization was compromised, and the usernames and passwords of all em-ployees were leaked online. Which of the following best describes the remedia-tion that could reduce the impact of this situation? | | A. Multifactor
authentication | | B. Password changes | | C. System hardening | | D. Password encryption |
A. Multifactor
authentication
Multifactor authentication (MFA) is a security method that requires users to provide two or more pieces of evidence to verify their identity, such as a password, a PIN, a fingerprint, or a one-time code. MFA can reduce the impact of a credential leak because even if the attackers have the usernames and passwords of the employees, they would still need another factor to access the organization’s systems and resources. Password changes, system hardening, and password encryption are also good security practices, but they do not address the immediate threat of compromised credentials. References: CompTIA CySA+ Certification Exam Objectives, [What Is Multifactor Authentication (MFA)?]
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FAQs of CS0-003 Exam
What is the CompTIA CySA+ CS0-003 Exam?
The CompTIA Cybersecurity Analyst (CySA+) CS0-003 Exam is an updated version of the CompTIA cybersecurity certification exam. It assesses the latest cybersecurity analyst skills and focuses on software and systems security, threat and vulnerability management, compliance and assessment, security operations and monitoring, and incident response.
Who should take the CompTIA CySA+ CS0-003 Exam?
This exam is designed for IT professionals aiming to advance their career in cybersecurity. Ideal candidates include cybersecurity analysts, threat intelligence analysts, security operations center (SOC) personnel, and IT professionals seeking to demonstrate their cybersecurity skills and knowledge.
What topics are covered in the CompTIA CySA+ CS0-003 Exam?
The CS0-003 exam covers:
- Threat and Vulnerability Management
- Cyber Incident Response
- Security Architecture and Tool Sets
- Compliance and Assessment
These topics are designed to test a candidate’s ability to proactively defend and continuously improve the security of an organization.
What is the time duration for the CompTIA CySA+ CS0-003 Exam?
The time allotted for the CS0-003 exam is 165 minutes.
What score is required to pass the CompTIA CySA+ CS0-003 Exam?
To pass the CS0-003 exam, candidates must achieve a score of 750 (on a scale of 100-900). This score reflects the level of understanding and proficiency required for the certification.
What are the prerequisites for the CompTIA CySA+ CS0-003 Exam?
While there are no mandatory prerequisites, it is recommended that candidates have foundational knowledge in IT security and experience in the field. Familiarity with basic security concepts and best practices is beneficial.
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For effective preparation of the CompTIA CySA+ CS0-003 Exam, Realbraindumps.com provides updated exam dumps, featuring the latest questions and answers. These resources, curated by experts, are designed to cover all key exam topics comprehensively, making them an essential tool for exam success.
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