Question # 1
| A company is deploying new vulnerability scanning software to assess its systems. The current network is highly segmented, and the networking team wants to minimize the number of unique firewall rules. Which of the following scanning techniques would be most efficient to achieve the objective? | | A. Deploy agents on all systems to perform the scans | | B. Deploy a central scanner and perform non-credentialed scans | | C. Deploy a cloud-based scanner and perform a network scan | | D. Deploy a scanner sensor on every segment and perform credentialed scans |
D. Deploy a scanner sensor on every segment and perform credentialed scans
Question # 2
An attacker recently gained unauthorized access to a financial institution's database, which contains confidential information. The attacker exfiltrated a large amount of data before being detected and blocked. A security analyst needs to complete a root cause analysis to determine how the attacker was able to gain access. Which of the following should the analyst perform first? | | A. Document the incident
and any findings related to the attack for future reference. | | B. Interview employees
responsible for managing the affected systems. | | C. Review the log files
that record all events related to client applications and user access. | | D. Identify the immediate actions that need to be taken to contain the incident and minimize damage. |
C. Review the log files
that record all events related to client applications and user access.
In a root cause analysis following unauthorized access, the initial step is usually to review relevant log files. These logs can provide critical information about how and when the attacker gained access. The first step in a root cause analysis after a data breach is typically to review the logs. This helps the analyst understand how the attacker gained access by providing a detailed record of all events, including unauthorized or abnormal activities. Documenting the incident, interviewing employees, and identifying immediate containment actions are important steps, but they usually follow the initial log review.
Question # 3
A SOC analyst recommends adding a layer of defense for all endpoints that will better protect against external threats regardless of the device's operating system. Which of the following best meets this requirement?
| A. SIEM
| B. CASB
| C. SOAR
| D. EDR
|
D. EDR
Explanation:
EDR stands for Endpoint Detection and Response, which is a layer of defense that monitors endpoints for malicious activity and provides automated or manual response capabilities. EDR can protect against external threats regardless of the device’s operating system, as it can detect and respond to attacks based on behavioral analysis and threat intelligence. EDR is also one of the tools that CompTIA CySA+ covers in its exam objectives.
Official References:
https://www.comptia.org/certifications/cybersecurity-analyst
https://www.comptia.org/blog/the-new-comptia-cybersecurity-analyst-your-questions-answered
https://resources.infosecinstitute.com/certification/cysa-plus-ia-levels/
Question # 4
A SOC analyst determined that a significant number of the reported alarms could be closed after removing the duplicates. Which of the following could help the analyst reduce the number of alarms with the least effort?
| | A. SOAR | | B. API | | C. XDR | | D. REST |
A. SOAR
Security Orchestration, Automation, and Response (SOAR) can help the SOC analyst reduce the number of alarms by automating the process of removing duplicates and managing security alerts more efficiently. SOAR platforms enable security teams to define, prioritize, and standardize response procedures, which helps in reducing the workload and improving the overall efficiency of incident response by handling repetitive and low-level tasks automatically.
Question # 5
A manufacturer has hired a third-party consultant to assess the security of an OT network that includes both fragile and legacy equipment Which of the following must be considered to ensure the consultant does no harm to operations? | | A. Employing Nmap
Scripting Engine scanning techniques | | B. Preserving the state
of PLC ladder logic prior to scanning | | C. Using passive instead
of active vulnerability scans | | D. Running scans during
off-peak manufacturing hours |
C. Using passive instead
of active vulnerability scans
In environments with fragile and legacy equipment, passive scanning is preferred to prevent any potential disruptions that active scanning might cause. When assessing the security of an Operational Technology (OT) network, especially one with fragile and legacy equipment, it's crucial to use passive instead of active vulnerability scans. Active scanning can sometimes disrupt the operation of sensitive or older equipment. Passive scanning listens to network traffic without sending probing requests, thus minimizing the risk of disruption.
Question # 6
| Which Of the following techniques would be best to provide the necessary assurance for embedded software that drives centrifugal pumps at a power Plant? | | A. Containerization | | B. Manual code reviews | | C. Static and dynamic
analysis | | D. Formal methods | | E. D |
D. Formal methods
According to the CompTIA CySA+ Study Guide: Exam CS0-003, 3rd Edition1, the best technique to provide the necessary assurance for embedded software that drives centrifugal pumps at a power plant is formal methods. Formal methods are a rigorous and mathematical approach to software development and verification, which can ensure the correctness and reliability of critical software systems. Formal methods can be used to specify, design, implement, and verify embedded software using formal languages, logics, and tools1. Containerization, manual code reviews, and static and dynamic analysis are also useful techniques for software assurance, but they are not as rigorous or comprehensive as formal methods. Containerization is a method of isolating and packaging software applications with their dependencies, which can improve security, portability, and scalability. Manual code reviews are a process of examining the source code of a software program by human reviewers, which can help identify errors, vulnerabilities, and compliance issues. Static and dynamic analysis are techniques of testing and evaluating software without executing it (static) or while executing it (dynamic), which can help detect bugs, defects, and performance issues1.
Question # 7
An organization conducted a web application vulnerability assessment against the corporate website, and the following output was observed:
Which of the following tuning recommendations should the security analyst share? | | A. Set an HttpOnly flag to force communication by HTTPS | | B. Block requests without an X-Frame-Options header | | C. Configure an Access-Control-Allow-Origin header to authorized domains | | D. Disable the cross-origin resource sharing header |
B. Block requests without an X-Frame-Options header
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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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