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CompTIA CS0-003 exam is an excellent way for IT professionals to validate their skills and knowledge in cybersecurity analysis. CompTIA Cybersecurity Analyst (CySA+) Certification Exam certification is recognized globally and is highly respected in the IT industry. CompTIA Cybersecurity Analyst (CySA+) Certification Exam certification provides a foundation for advanced cybersecurity certifications and helps IT professionals to advance their career in cybersecurity.

 

NEW QUESTION # 115
An analyst is evaluating the following vulnerability report:

Which of the following vulnerability report sections provides information about the level of impact on data confidentiality if a successful exploitation occurs?

• A. Vulnerability
• B. Payloads
• C. Profile
• D. Metrics

Answer: D

Explanation:
The correct answer is B. Metrics.
The Metrics section of the vulnerability report provides information about the level of impact on data confidentiality if a successful exploitation occurs. The Metrics section contains the CVE dictionary entry and the CVSS base score of the vulnerability. CVE stands for Common Vulnerabilities and Exposures and it is a standardized system for identifying and naming vulnerabilities. CVSS stands for Common Vulnerability Scoring System and it is a standardized system for measuring and rating the severity of vulnerabilities.
The CVSS base score is a numerical value between 0 and 10 that reflects the intrinsic characteristics of a vulnerability, such as its exploitability, impact, and scope. The CVSS base score is composed of three metric groups: Base, Temporal, and Environmental. The Base metric group captures the characteristics of a vulnerability that are constant over time and across user environments. The Base metric group consists of six metrics: Attack Vector, Attack Complexity, Privileges Required, User Interaction, Scope, and Impact. The Impact metric measures the effect of a vulnerability on the confidentiality, integrity, and availability of the affected resources.
In this case, the CVSS base score of the vulnerability is 9.8, which indicates a critical severity level. The Impact metric of the CVSS base score is 6.0, which indicates a high impact on confidentiality, integrity, and availability. Therefore, the Metrics section provides information about the level of impact on data confidentiality if a successful exploitation occurs.
The other sections of the vulnerability report do not provide information about the level of impact on data confidentiality if a successful exploitation occurs. The Payloads section contains links to request and response payloads that demonstrate how the vulnerability can be exploited. The Payloads section can help an analyst to understand how the attack works, but it does not provide a quantitative measure of the impact. The Vulnerability section contains information about the type, group, and description of the vulnerability. The Vulnerability section can help an analyst to identify and classify the vulnerability, but it does not provide a numerical value of the impact. The Profile section contains information about the authentication, times viewed, and aggressiveness of the vulnerability. The Profile section can help an analyst to assess the risk and priority of the vulnerability, but it does not provide a specific measure of the impact on data confidentiality.
References:
* [1] CVE - Common Vulnerabilities and Exposures (CVE)
* [2] Common Vulnerability Scoring System SIG
* [3] CVSS v3.1 Specification Document
* [4] CVSS v3.1 User Guide
* [5] How to Read a Vulnerability Report - Security Boulevard

NEW QUESTION # 116
The Chief Executive Officer of an organization recently heard that exploitation of new attacks in the industry was happening approximately 45 days after a patch was released.
Which of the following would best protect this organization?

• A. A mean time to remediate of 30 days
• B. A mean time to detect of 45 days
• C. Third-party application testing
• D. A mean time to respond of 15 days

Answer: A

Explanation:
A mean time to remediate of 30 days implies that the organization aims to remediate vulnerabilities within 30 days of their discovery. Since exploitation of new attacks tends to occur approximately 45 days after a patch is released, aiming for a mean time to remediate of 30 days ensures that vulnerabilities are patched before attackers have the opportunity to exploit them.

NEW QUESTION # 117
Which of the following is the software development process by which function, usability, and scenarios are tested against a known set of base requirements?

• A. Stress testing
• B. User acceptance testing
• C. Code review
• D. Security regression testing

Answer: B

Explanation:
User Acceptance Testing - Beta testing by the end users that proves a program is usable and fit- for-purpose in real-world conditions.
Stress Test - A stress test is used to determine what could trigger a denial of service.

NEW QUESTION # 118
A security analyst receives an alert for suspicious activity on a company laptop An excerpt of the log is shown below:

Which of the following has most likely occurred?

• A. A web browser vulnerability was exploited.
• B. An Office document with a malicious macro was opened.
• C. A phishing link in an email was clicked
• D. A credential-stealing website was visited.

Answer: B

Explanation:
An Office document with a malicious macro was opened is the most likely explanation for the suspicious activity on the company laptop, as it reflects the common technique of using macros to execute PowerShell commands that download and run malware. A macro is a piece of code that can automate tasks or perform actions in an Office document, such as a Word file or an Excel spreadsheet. Macros can be useful and legitimate, but they can also be abused by threat actors to deliver malware or perform malicious actions on the system. A malicious macro can be embedded in an Office document that is sent as an attachment in a phishing email or hosted on a compromised website. When the user opens the document, they may be prompted to enable macros or content, which will trigger the execution of the malicious code. The malicious macro can then use PowerShell, which is a scripting language and command-line shell that is built into Windows, to perform various tasks, such as downloading and running malware from a remote URL, bypassing security controls, or establishing persistence on the system. The log excerpt shows that PowerShell was used to download a string from a URL using the WebClient.DownloadString method, which is a common way to fetch and execute malicious code from the internet. The log also shows that PowerShell was used to invoke an expression (iex) that contains obfuscated code, which is another common way to evade detection and analysis.
The other options are not as likely as an Office document with a malicious macro was opened, as they do not match the evidence in the log excerpt. A credential-stealing website was visited is possible, but it does not explain why PowerShell was used to download and execute code from a URL. A phishing link in an email was clicked is also possible, but it does not explain what happened after the link was clicked or how PowerShell was involved. A web browser vulnerability was exploited is unlikely, as it does not explain why PowerShell was used to download and execute code from a URL.

NEW QUESTION # 119
Each time a vulnerability assessment team shares the regular report with other teams, inconsistencies regarding versions and patches in the existing infrastructure are discovered. Which of the following is the best solution to decrease the inconsistencies?

• A. Changing from a passive to an active scanning approach
• B. Implementing a central place to manage IT assets
• C. Performing agentless scanning
• D. Implementing credentialed scanning

Answer: B

Explanation:
Implementing a central place to manage IT assets is the best solution to decrease the inconsistencies regarding versions and patches in the existing infrastructure. A central place to manage IT assets, such as a configuration management database (CMDB), can help the vulnerability assessment team to have an accurate and up-to-date inventory of all the hardware and software components in the network, as well as their relationships and dependencies. A CMDB can also track the changes and updates made to the IT assets, and provide a single source of truth for the vulnerability assessment team and other teams to compare and verify the versions and patches of the infrastructure12. Implementing credentialed scanning, changing from a passive to an active scanning approach, and performing agentless scanning are all methods to improve the vulnerability scanning process, but they do not address the root cause of the inconsistencies, which is the lack of a central place to manage IT assets3. Reference: What is a Configuration Management Database (CMDB)?, How to Use a CMDB to Improve Vulnerability Management, Vulnerability Scanning Best Practices

NEW QUESTION # 120
A security analyst reviews the following extract of a vulnerability scan that was performed against the web server:

Which of the following recommendations should the security analyst provide to harden the web server?

• A. Disable tcp_wrappers.
• B. Close port 22.
• C. Remove the version information on http-server-header.
• D. Delete the /wp-login.php folder.

Answer: C

Explanation:
The vulnerability scan shows that the version information is visible in the http-server-header, which can be exploited by attackers to identify vulnerabilities specific to that version. Removing or obfuscating this information can enhance security.
References: CompTIA CySA+ CS0-003 Certification Study Guide, Chapter 4: Vulnerability Management, page 172; CompTIA CySA+ Study Guide: Exam CS0-003, 3rd Edition, Chapter 5: Vulnerability Management, page 223.

NEW QUESTION # 121
A security team identified several rogue Wi-Fi access points during the most recent network scan.
The network scans occur once per quarter. Which of the following controls would best all ow the organization to identity rogue devices more quickly?

• A. Implement a portable wireless scanning policy.
• B. Change the frequency of network scans to once per month.
• C. Implement a continuous monitoring policy.
• D. Implement a BYOD policy.

Answer: C

Explanation:
Implement a continuous monitoring policy. A continuous monitoring policy is a set of procedures and tools that enable an organization to detect and respond to unauthorized or anomalous activities on its network in real time or near real time. A continuous monitoring policy can help identify rogue access points as soon as they appear on the network, rather than waiting for quarterly or monthly scans. A continuous monitoring policy can also help improve the overall security posture and compliance of the organization by providing timely and accurate information about its network assets, vulnerabilities, threats, and incidents.

NEW QUESTION # 122
An analyst receives an alert for suspicious IIS log activity and reviews the following entries:
2024-05-23 15:57:05 10.203.10.16 HEAT / - 80 - 10.203.10.17 DirBuster-1.0-RC1+(http://www.owasp.org/index.php/Category:OWASP_DirBuster_Project)
...
Which of the following will the analyst infer from the logs?

• A. An attacker is conducting reconnaissance of the website.
• B. An attacker is exfiltrating data from the network.
• C. An attacker is performing network lateral movement.
• D. An attacker is cloning the website.

Answer: A

Explanation:
Comprehensive and Detailed Step-by-Step
The logs indicate that the OWASP DirBuster tool is being used. This tool is designed for directory brute-forcing to find hidden files or directories on a web server, which aligns with reconnaissance activities. The series of GET and HEAD requests further confirm directory and file enumeration attempts.
Reference:
CompTIA CySA+ Study Guide (Chapter 4: Reconnaissance Techniques)
CompTIA CySA+ Objectives (Domain 1.3 Tools and Techniques)

NEW QUESTION # 123
A security team identified several rogue Wi-Fi access points during the most recent network scan. The network scans occur once per quarter. Which of the following controls would best all ow the organization to identity rogue devices more quickly?

• A. Implement a portable wireless scanning policy.
• B. Change the frequency of network scans to once per month.
• C. Implement a continuous monitoring policy.
• D. Implement a BYOD policy.

Answer: C

Explanation:
The best control to allow the organization to identify rogue devices more quickly is A. Implement a continuous monitoring policy. A continuous monitoring policy is a set of procedures and tools that enable an organization to detect and respond to unauthorized or anomalous activities on its network in real time or near real time. A continuous monitoring policy can help identify rogue access points as soon as they appear on the network, rather than waiting for quarterly or monthly scans. A continuous monitoring policy can also help improve the overall security posture and compliance of the organization by providing timely and accurate information about its network assets, vulnerabilities, threats, and incidents1.

NEW QUESTION # 124
Which of the following describes the difference between intentional and unintentional insider threats'?

• A. Their behavior will be different
• B. The rate of occurrence will be the same
• C. The risk factor will be the same
• D. Their access levels will be different

Answer: A

Explanation:
The difference between intentional and unintentional insider threats is their behavior. Intentional insider threats are malicious actors who deliberately misuse their access to harm the organization or its assets. Unintentional insider threats are careless or negligent users who accidentally compromise the security of the organization or its assets. Their access levels, risk factors, and rates of occurrence may vary depending on various factors, but their behavior is the main distinction. Reference: CompTIA Cybersecurity Analyst (CySA+) Certification Exam Objectives (CS0-002), page 12; https://www.cisa.gov/sites/default/files/publications/Insider_Threat_Mitigation_Guide_508.pdf

NEW QUESTION # 125
Which of the following is a KPI that is used to monitor or report on the effectiveness of an incident response reporting and communication program?

• A. Average time to patch
• B. Incident volume
• C. Remediated incidents
• D. Mean time to detect

Answer: C

Explanation:
Comprehensive and Detailed Step-by-Step Explanation:Remediated incidents is a key performance indicator (KPI) that measures how effectively incidents are resolved and communicated during the incident response lifecycle. It reflects the program's success in mitigating risks and restoring normal operations. Other options (e.
g., mean time to detect) are important metrics but do not directly measure reporting or communication effectiveness.

NEW QUESTION # 126
During an incident, a security analyst discovers a large amount of Pll has been emailed externally from an employee to a public email address. The analyst finds that the external email is the employee's personal email. Which of the following should the analyst recommend be done first?

• A. Configure a deny rule on the firewall.
• B. Enable filtering on the web proxy.
• C. Disable the public email access with CASB.
• D. Place a legal hold on the employee's mailbox.

Answer: D

Explanation:
Placing a legal hold on the employee's mailbox is the best action to perform first, as it preserves all mailbox content, including deleted items and original versions of modified items, for potential legal or forensic purposes. A legal hold is a feature that allows an administrator to retain mailbox data for a user indefinitely or for a specified period, regardless of the user's actions or retention policies. A legal hold can be applied to a mailbox using Litigation Hold or In-Place Hold in Exchange Server or Exchange Online. A legal hold can help to ensure that evidence of data exfiltration or other malicious activities is not lost or tampered with, and that the organization can comply with any legal or regulatory obligations. The other actions are not as urgent or effective as placing a legal hold on the employee's mailbox, as they do not address the immediate threat of data loss or compromise. Enabling filtering on the web proxy may help to prevent some types of data exfiltration or malicious traffic, but it does not help to recover or preserve the data that has already been emailed externally. Disabling the public email access with CASB (Cloud Access Security Broker) may help to block or monitor the use of public email services by employees, but it does not help to recover or preserve the data that has already been emailed externally.
Configuring a deny rule on the firewall may help to block or monitor the network traffic from the employee's laptop, but it does not help to recover or preserve the data that has already been emailed externally.

NEW QUESTION # 127
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 a cloud-based scanner and perform a network scan.
• B. Deploy agents on all systems to perform the scans.
• C. Deploy a scanner sensor on every segment and perform credentialed scans.
• D. Deploy a central scanner and perform non-credentialed scans.

Answer: B

Explanation:
USB ports are a common attack vector that can be used to deliver malware, steal data, or compromise systems.
The first step to mitigate this vulnerability is to check the configurations of the company assets and disable or restrict the USB ports if possible. This will prevent unauthorized devices from being connected and reduce the attack surface. The other options are also important, but they are not the first priority in this scenario.
References:
* CompTIA CySA+ CS0-003 Certification Study Guide, page 247
* What are Attack Vectors: Definition & Vulnerabilities, section "How to secure attack vectors"
* Are there any attack vectors for a printer connected through USB in a Windows environment?, answer by user "schroeder"

NEW QUESTION # 128
An organization has tracked several incidents that are listed in the following table:
Which of the following is the organization's MTTD?

• A. 0
• B. 1
• C. 2
• D. 3

Answer: D

Explanation:
The MTTD (Mean Time To Detect) is calculated by averaging the time elapsed in detecting incidents. From the given data: (180+150+170+140)/4 = 160 minutes. This is the correct answer according to the CompTIA CySA+ CS0-003 Certification Study Guide1, Chapter 4, page 161. References: CompTIA CySA+ Study Guide: Exam CS0-003, 3rd Edition, Chapter 4, page 153; CompTIA CySA+ CS0-003 Certification Study Guide, Chapter 4, page 161.

NEW QUESTION # 129
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 a cloud-based scanner and perform a network scan.
• B. Deploy agents on all systems to perform the scans.
• C. Deploy a scanner sensor on every segment and perform credentialed scans.
• D. Deploy a central scanner and perform non-credentialed scans.

Answer: B

Explanation:
USB ports are a common attack vector that can be used to deliver malware, steal data, or compromise systems. The first step to mitigate this vulnerability is to check the configurations of the company assets and disable or restrict the USB ports if possible. This will prevent unauthorized devices from being connected and reduce the attack surface. The other options are also important, but they are not the first priority in this scenario.
References:
CompTIA CySA+ CS0-003 Certification Study Guide, page 247
What are Attack Vectors: Definition & Vulnerabilities, section "How to secure attack vectors" Are there any attack vectors for a printer connected through USB in a Windows environment?, answer by user
"schroeder"

NEW QUESTION # 130
During an audit, several customer order forms were found to contain inconsistencies between the actual price of an item and the amount charged to the customer. Further investigation narrowed the cause of the issue to manipulation of the public-facing web form used by customers to order products. Which of the following would be the best way to locate this issue?

• A. Reduce the session timeout threshold
• B. Deploy MFA for access to the web server.
• C. Run a dynamic code analysis.
• D. Implement input validation.

Answer: D

Explanation:
Implementing input validation is the best way to locate and prevent the issue of manipulation of the public-facing web form used by customers to order products. Input validation is a technique that checks and filters any user input that is sent to an application before processing it. Input validation can help to ensure that the user input conforms to the expected format, length and type, and does not contain any malicious characters or syntax that may alter the logic or behavior of the application. Input validation can also reject or sanitize any input that does not meet the validation criteria .

NEW QUESTION # 131
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. Preserving the state of PLC ladder logic prior to scanning
• B. Using passive instead of active vulnerability scans
• C. Running scans during off-peak manufacturing hours
• D. Employing Nmap Scripting Engine scanning techniques

Answer: B

NEW QUESTION # 132
Which of the following documents sets requirements and metrics for a third-party response during an event?

• A. SLA
• B. BIA
• C. DRP
• D. MOU

Answer: A

Explanation:
Comprehensive Detailed Explanation:A Service Level Agreement (SLA) defines the expectations, requirements, and metrics for third-party services, including response times and responsibilities during an event. Here's an overview of each option:
* A. BIA (Business Impact Analysis)
* Explanation: BIA is used to assess potential impacts of disruptions to business operations, but it does not specify third-party response requirements.
* B. DRP (Disaster Recovery Plan)
* Explanation: DRP provides recovery procedures for internal systems and services but does not directly establish third-party obligations.
* C. SLA (Service Level Agreement)
* Explanation: SLAs set clear expectations for third-party services, including response times, performance metrics, and specific requirements during incidents. SLAs ensure accountability for external providers during critical events.
* D. MOU (Memorandum of Understanding)
* Explanation: An MOU defines general terms and intentions between parties but lacks the specific performance metrics required in an SLA.

NEW QUESTION # 133
Which of the following would likely be used to update a dashboard that integrates.....

• A. Threat feed combination
• B. Webhooks
• C. Extensible Markup Language
• D. JavaScript Object Notation

Answer: D

Explanation:
JavaScript Object Notation (JSON) is commonly used for transmitting data in web applications and would be suitable for updating dashboards that integrate various data sources. It's lightweight and easy to parse and generate.

NEW QUESTION # 134
Which of the following best describes the goal of a tabletop exercise?

• A. To perform attack exercises to check response effectiveness
• B. To check the effectiveness of the business continuity plan
• C. To understand existing threat actors and how to replicate their techniques
• D. To test possible incident scenarios and how to react properly

Answer: D

Explanation:
A tabletop exercise is a type of simulation exercise that involves testing possible incident scenarios and how to react properly, without actually performing any actions or using any resources. A tabletop exercise is usually conducted by a facilitator who presents a realistic scenario to a group of participants, such as a cyberattack, a natural disaster, or a data breach. The participants then discuss and evaluate their roles, responsibilities, plans, procedures, and policies for responding to the incident, as well as the potential impacts and outcomes. A tabletop exercise can help identify strengths and weaknesses in the incident response plan, improve communication and coordination among the stakeholders, raise awareness and preparedness for potential incidents, and provide feedback and recommendations for improvement.

NEW QUESTION # 135
Due to reports of unauthorized activity that was occurring on the internal network, an analyst is performing a network discovery. The analyst runs an Nmap scan against a corporate network to evaluate which devices were operating in the environment. Given the following output:

Which of the following choices should the analyst look at first?

• A. wh4dc-748gy.lan (192.168.86.152)
• B. xlaptop.lan (192.168.86.249)
• C. p4wnp1_aloa.lan (192.168.86.56)
• D. imaging.lan (192.168.86.150)
• E. officerckuplayer.lan (192.168.86.22)

Answer: C

Explanation:
The analyst should look at p4wnp1_aloa.lan (192.168.86.56) first, as this is the most suspicious device on the network. P4wnP1 ALOA is a tool that can be used to create a malicious USB device that can perform various attacks, such as keystroke injection, network sniffing, man-in-the- middle, or backdoor creation. The presence of a device with this name on the network could indicate that an attacker has plugged in a malicious USB device to a system and gained access to the network.

NEW QUESTION # 136
During an incident, a security analyst discovers a large amount of Pll has been emailed externally from an employee to a public email address. The analyst finds that the external email is the employee's personal email. Which of the following should the analyst recommend be done first?

• A. Configure a deny rule on the firewall.
• B. Enable filtering on the web proxy.
• C. Disable the public email access with CASB.
• D. Place a legal hold on the employee's mailbox.

Answer: D

Explanation:
Placing a legal hold on the employee's mailbox is the best action to perform first, as it preserves all mailbox content, including deleted items and original versions of modified items, for potential legal or forensic purposes. A legal hold is a feature that allows an administrator to retain mailbox data for a user indefinitely or for a specified period, regardless of the user's actions or retention policies. A legal hold can be applied to a mailbox using Litigation Hold or In-Place Hold in Exchange Server or Exchange Online. A legal hold can help to ensure that evidence of data exfiltration or other malicious activities is not lost or tampered with, and that the organization can comply with any legal or regulatory obligations. The other actions are not as urgent or effective as placing a legal hold on the employee's mailbox, as they do not address the immediate threat of data loss or compromise. Enabling filtering on the web proxy may help to prevent some types of data exfiltration or malicious traffic, but it does not help to recover or preserve the data that has already been emailed externally. Disabling the public email access with CASB (Cloud Access Security Broker) may help to block or monitor the use of public email services by employees, but it does not help to recover or preserve the data that has already been emailed externally. Configuring a deny rule on the firewall may help to block or monitor the network traffic from the employee's laptop, but it does not help to recover or preserve the data that has already been emailed externally.

NEW QUESTION # 137
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CompTIA Cybersecurity Analyst (CySA+) Certification is one of the most in-demand certifications for cybersecurity analysts. CompTIA Cybersecurity Analyst (CySA+) Certification Exam certification exam has been designed to validate the aptitude of cybersecurity analysts in configuring and using threat detection techniques. It is an internationally recognized certification that demonstrates an individual's expertise in cybersecurity. CompTIA Cybersecurity Analyst (CySA+) Certification Exam certification exam is called CompTIA CS0-003.

 

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