Get Oct-2024 Dumps to Pass your CS0-003 Exam with 100% Real Questions and Answers
Updated Exam CS0-003 Dumps with New Questions
CompTIA Cybersecurity Analyst (CySA+) Certification, also known as the CS0-003 exam, is a globally recognized certification that validates the knowledge and skills of an individual in the field of cybersecurity analysis. CompTIA Cybersecurity Analyst (CySA+) Certification Exam certification is designed for professionals who wish to specialize in the field of cybersecurity and want to enhance their skills in detecting, preventing, and responding to cybersecurity threats.
CompTIA CS0-003 exam is designed for IT professionals who have at least three to four years of experience in the field of cybersecurity. CS0-003 exam covers a wide range of topics, including threat and vulnerability management, network security, incident response, and compliance and governance. It is a performance-based exam that tests the candidate's ability to apply their knowledge and skills in real-world scenarios.
NEW QUESTION # 166
A security analyst at a company is reviewing an alert from the file integrity monitoring indicating a mismatch in the login. html file hash. After comparing the code with the previous version of the page source code, the analyst found the following code snippet added:
Which of the following best describes the activity the analyst has observed?
- A. Beaconing
- B. Obfuscated links
- C. Exfiltration
- D. Unauthorized changes
Answer: C
NEW QUESTION # 167
Which of the following is a nation-state actor least likely to be concerned with?
- A. Detection or prevention of reconnaissance activities.
- B. Forensic analysis for legal action of the actions taken.
- C. Detection by MITRE ATT&CK framework.
- D. Examination of its actions and objectives.
Answer: B
NEW QUESTION # 168
A security analyst recently joined the team and is trying to determine which scripting language is being used in a production script to determine if it is malicious. Given the following script:
Which of the following scripting languages was used in the script?
- A. Ruby
- B. Python
- C. PowerShel
- D. Shell script
Answer: C
Explanation:
The script uses PowerShell syntax, such as cmdlets, parameters, variables, and comments. PowerShell is a scripting language that can be used to automate tasks and manage systems.
NEW QUESTION # 169
You are a cybersecurity analyst tasked with interpreting scan data from Company As servers You must verify the requirements are being met for all of the servers and recommend changes if you find they are not The company's hardening guidelines indicate the following
* TLS 1 2 is the only version of TLS
running.
* Apache 2.4.18 or greater should be used.
* Only default ports should be used.
INSTRUCTIONS
using the supplied data. record the status of compliance With the company's guidelines for each server.
The question contains two parts: make sure you complete Part 1 and Part 2. Make recommendations for Issues based ONLY on the hardening guidelines provided.
Part 1:
AppServ1:
AppServ2:
AppServ3:
AppServ4:
Part 2:
Answer:
Explanation:
check the explanation part below for the solution:
Explanation:
Part 1:
Part 2:
Based on the compliance report, I recommend the following changes for each server:
AppServ1: No changes are needed for this server.
AppServ2: Disable or upgrade TLS 1.0 and TLS 1.1 to TLS 1.2 on this server to ensure secure encryption and communication between clients and the server. Update Apache from version 2.4.17 to version 2.4.18 or greater on this server to fix any potential vulnerabilities or bugs.
AppServ3: Downgrade Apache from version 2.4.19 to version 2.4.18 or lower on this server to ensure compatibility and stability with the company's applications and policies. Change the port number from 8080 to either port 80 (for HTTP) or port 443 (for HTTPS) on this server to follow the default port convention and avoid any confusion or conflicts with other services.
AppServ4: Update Apache from version 2.4.16 to version 2.4.18 or greater on this server to fix any potential vulnerabilities or bugs. Change the port number from 8443 to either port 80 (for HTTP) or port 443 (for HTTPS) on this server to follow the default port convention and avoid any confusion or conflicts with other services.
NEW QUESTION # 170
Security analysts review logs on multiple servers on a daily basis. Which of the following implementations will give the best central visibility into the events occurring throughout the corporate environment without logging in to the servers individually?
- A. Configure the servers to forward logs to a SIEM-
- B. Share the log directory on each server to allow local access,
- C. Deploy a database to aggregate the logging.
- D. Automate the emailing of logs to the analysts.
Answer: A
Explanation:
The best implementation to give the best central visibility into the events occurring throughout the corporate environment without logging in to the servers individually is B. Configure the servers to forward logs to a SIEM.
A SIEM (Security Information and Event Management) is a security solution that helps organizations detect, analyze, and respond to security threats before they disrupt business1. SIEM tools collect, aggregate, and correlate log data from various sources across an organization's network, such as applications, devices, servers, and users. SIEM tools also provide real-time alerts, dashboards, reports, and incident response capabilities to help security teams identify and mitigate cyberattacks2345.
By configuring the servers to forward logs to a SIEM, the security analysts can have a central view of potential threats and monitor security incidents across the corporate environment without logging in to the servers individually. This can save time, improve efficiency, and enhance security posture2345.
Deploying a database to aggregate the logging (A) may not provide the same level of analysis, correlation, and alerting as a SIEM tool. Sharing the log directory on each server to allow local access may not be scalable or secure for a large number of servers. Automating the emailing of logs to the analysts (D) may not be timely or effective for real-time threat detection and response. Therefore, B is the best option among the choices given.
NEW QUESTION # 171
An analyst investigated a website and produced the following:
Which of the following syntaxes did the analyst use to discover the application versions on this vulnerable website?
- A. nmap -sV -T4 -F insecure.org
- B. nmap -sS -T4 -F insecure.org
- C. nmap -A insecure.org
- D. nmap -o insecure.org
Answer: A
NEW QUESTION # 172
Which of the following best describes the document that defines the expectation to network customers that patching will only occur between 2:00 a.m. and 4:00 a.m.?
- A. LOI
- B. KPI
- C. MOU
- D. SLA
Answer: D
Explanation:
Explanation
SLA (Service Level Agreement) is the best term to describe the document that defines the expectation to network customers that patching will only occur between 2:00 a.m. and 4:00 a.m., as it reflects the agreement between a service provider and a customer that specifies the services, quality, availability, and responsibilities that are agreed upon. An SLA is a common type of document that is used in various industries and contexts, such as IT, telecom, cloud computing, or outsourcing. An SLA typically includes metrics and indicators to measure the performance and quality of the service, such as uptime, response time, or resolution time. An SLA also defines the consequences or remedies for any breaches or failures of the service, such as penalties, refunds, or credits. An SLA can help to manage customer expectations, formalize communication, improve productivity, and strengthen relationships. The other terms are not as accurate as SLA, as they describe different types of documents or concepts. LOI (Letter of Intent) is a document that outlines the main terms and conditions of a proposed agreement between two or more parties, before a formal contract is signed. An LOI is usually non-binding and expresses the intention or interest of the parties to enter into a future agreement. An LOI can help to clarify the key points of a deal, facilitate negotiations, or demonstrate commitment. MOU (Memorandum of Understanding) is a document that describes a mutual agreement or cooperation between two or more parties, without creating any legal obligations or commitments. An MOU is usually more formal than an LOI, but less formal than a contract. An MOU can help to establish a common ground, define roles and responsibilities, or outline expectations and goals. KPI (Key Performance Indicator) is a concept that refers to a measurable value that demonstrates how effectively an organization or individual is achieving its key objectives or goals. A KPI is usually quantifiable and specific, such as revenue growth, customer satisfaction, or employee retention. A KPI can help to track progress, evaluate performance, or identify areas for improvement.
NEW QUESTION # 173
A managed security service provider is having difficulty retaining talent due to an increasing workload caused by a client doubling the number of devices connected to the network. Which of the following would best aid in decreasing the workload without increasing staff?
- A. SOAR
- B. EDR
- C. SIEM
- D. XDR
Answer: A
Explanation:
SOAR stands for Security Orchestration, Automation and Response, which is a set of features that can help security teams manage, prioritize and respond to security incidents more efficiently and effectively. SOAR can help decrease the workload without increasing staff by automating repetitive tasks, streamlining workflows, integrating different tools and platforms, and providing actionable insights and recommendations. SOAR is also one of the current trends that CompTIA CySA+ covers in its exam objectives. Official Reference:
https://www.comptia.org/blog/the-new-comptia-cybersecurity-analyst-your-questions-answered
https://www.comptia.org/certifications/cybersecurity-analyst
https://partners.comptia.org/docs/default-source/resources/comptia-cysa-cs0-002-exam-objectives
NEW QUESTION # 174
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. Federal law enforcement
- C. Card issuer
- D. Local law enforcement
Answer: C
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.
NEW QUESTION # 175
A security analyst discovers the accounting department is hosting an accounts receivable form on a public document service. Anyone with the link can access it. Which of the following threats applies to this situation?
- A. Potential data loss to external users
- B. Identification and authentication failures
- C. Cloud-based authentication attack
- D. Loss of public/private key management
Answer: A
Explanation:
Potential data loss to external users is a threat that applies to this situation, where the accounting department is hosting an accounts receivable form on a public document service. Anyone with the link can access it. Data loss is an event that results in the destruction, corruption, or unauthorized disclosure of sensitive or confidential data. Data loss can occur due to various reasons, such as human error, hardware failure, malware infection, or cyberattack. In this case, hosting an accounts receivable form on a public document service exposes the data to potential data loss to external users who may access it without authorization or maliciously modify or delete it .
NEW QUESTION # 176
A security team conducts a lessons-learned meeting after struggling to determine who should conduct the next steps following a security event. Which of the following should the team create to address this issue?
- A. Service-level agreement
- B. Memorandum of understanding
- C. Incident response plan
- D. Change management plan
Answer: C
Explanation:
An incident response plan (IRP) is a document that defines the roles and responsibilities, procedures, and guidelines for responding to a security incident. It helps the security team to act quickly and effectively, minimizing the impact and cost of the incident. An IRP should specify who should conduct the next steps following a security event, such as containment, eradication, recovery, and analysis12. Reference: CompTIA CySA+ CS0-003 Certification Study Guide, page 362; 6 Incident Response Steps to Take After a Security Event, section 2.
NEW QUESTION # 177
A managed security service provider is having difficulty retaining talent due to an increasing workload caused by a client doubling the number of devices connected to the network. Which of the following
would best aid in decreasing the workload without increasing staff?
- A. SOAR
- B. EDR
- C. SIEM
- D. XDR
Answer: A
Explanation:
SOAR stands for Security Orchestration, Automation and Response, which is a set of features that can help security teams manage, prioritize and respond to security incidents more efficiently and effectively. SOAR can help decrease the workload without increasing staff by automating repetitive tasks, streamlining workflows, integrating different tools and platforms, and providing actionable insights and recommendations. SOAR is also one of the current trends that CompTIA CySA+ covers in its exam objectives. Official Reference:
https://www.comptia.org/blog/the-new-comptia-cybersecurity-analyst-your-questions-answered
https://www.comptia.org/certifications/cybersecurity-analyst
https://partners.comptia.org/docs/default-source/resources/comptia-cysa-cs0-002-exam-objectives
NEW QUESTION # 178
A security analyst noticed the following entry on a web server log:
Warning:
fopen (http://127.0.0.1:16) : failed to open stream:
Connection refused in /hj/var/www/showimage.php on line 7
Which of the following malicious activities was most likely attempted?
- A. CSRF
- B. RCE
- C. SSRF
- D. XSS
Answer: C
Explanation:
The malicious activity that was most likely attempted is SSRF (Server-Side Request Forgery). This is a type of attack that exploits a vulnerable web application to make requests to other resources on behalf of the web server. In this case, the attacker tried to use the fopen function to access the local loopback address (127.0.0.1) on port 16, which could be a service that is not intended to be exposed to the public. The connection was refused, indicating that the port was closed or filtered. References: CompTIA CySA+ Study Guide: Exam CS0-003, 3rd Edition, Chapter 2: Software and Application Security, page 66.
NEW QUESTION # 179
A company has a primary control in place to restrict access to a sensitive database. However, the company discovered an authentication vulnerability that could bypass this control. Which of the following is the best compensating control?
- A. Running regular penetration tests to identify and address new vulnerabilities
- B. Implementing intrusion detection software to alert security teams of unauthorized access attempts
- C. Deploying an additional layer of access controls to verify authorized individuals
- D. Conducting regular security awareness training of employees to prevent social engineering attacks
Answer: C
Explanation:
Deploying an additional layer of access controls to verify authorized individuals is the best compensating control for the authentication vulnerability that could bypass the primary control. A compensating control is a security measure that is implemented to mitigate the risk of a vulnerability or a threat when the primary control is not sufficient or feasible. A compensating control should provide a similar or greater level of protection as the primary control, and should be closely related to the vulnerability or the threat it is addressing1. In this case, the primary control is to restrict access to a sensitive database, and the vulnerability is an authentication bypass. Therefore, the best compensating control is to deploy an additional layer of access controls, such as multifactor authentication, role-based access control, or encryption, to verify the identity and the authorization of the individuals who are accessing the database. This way, the compensating control can prevent unauthorized access to the database, even if the primary control is bypassed23. Running regular penetration tests, conducting regular security awareness training, and implementing intrusion detection software are all good security practices, but they are not compensating controls for the authentication vulnerability, as they do not provide a similar or greater level of protection as the primary control, and they are not closely related to the vulnerability or the threat they are addressing. References: Compensating Controls:
An Impermanent Solution to an IT ... - Tripwire, What is Multifactor Authentication (MFA)? | Duo Security, Role-Based Access Control (RBAC) and Role-Based Security, [What is a Penetration Test and How Does It Work?]
NEW QUESTION # 180
An analyst is examining events in multiple systems but is having difficulty correlating data points. Which of the following is most likely the issue with the system?
- A. Invalid playbook
- B. Access rights
- C. Network segmentation
- D. Time synchronization
Answer: D
Explanation:
Time synchronization is the process of ensuring that all systems in a network have the same accurate time, which is essential for correlating data points from different sources. If the system has an issue with time synchronization, the analyst may have difficulty matching events that occurred at the same time or in a specific order. Access rights, network segmentation, and invalid playbook are not directly related to the issue of correlating data points. Verified References: [CompTIA CySA+ CS0-002 Certification Study Guide], page
23
NEW QUESTION # 181
The analyst reviews the following endpoint log entry:
Which of the following has occurred?
- A. New account introduced
- B. Rename computer
- C. Privilege escalation
- D. Registry change
Answer: A
Explanation:
The endpoint log entry shows that a new account named "admin" has been created on a Windows system with a local group membership of "Administrators". This indicates that a new account has been introduced on the system with administrative privileges. This could be a sign of malicious activity, such as privilege escalation or backdoor creation, by an attacker who has compromised the system.
NEW QUESTION # 182
An end-of-life date was announced for a widely used OS. A business-critical function is performed by some machinery that is controlled by a PC, which is utilizing the OS that is approaching the end-of- life date. Which of the following best describes a security analyst's concern?
- A. Any discovered vulnerabilities will not be remediated.
- B. There are no compensating controls in place for the OS.
- C. An outage of machinery would cost the organization money.
- D. Support will not be available for the critical machinery
Answer: A
Explanation:
A security analyst's concern is that any discovered vulnerabilities in the OS that is approaching the end-of-life date will not be remediated by the vendor, leaving the system exposed to potential attacks. The other options are not directly related to the security analyst's role or responsibility. Verified Reference: CompTIA Cybersecurity Analyst (CySA+) Certification Exam Objectives, page 9, section 2.21
NEW QUESTION # 183
Several vulnerability scan reports have indicated runtime errors as the code is executing. The dashboard that lists the errors has a command-line interface for developers to check for vulnerabilities. Which of the following will enable a developer to correct this issue? (Select two).
- A. Implementing a coding standard
- B. Debugging the code
- C. Reviewing the code
- D. Fuzzing the application
- E. Implementing IDS
- F. Performing dynamic application security testing
Answer: B,C
Explanation:
Reviewing the code and debugging the code are two methods that can help a developer identify and fix runtime errors in the code. Reviewing the code involves checking the syntax, logic, and structure of the code for any errors or inconsistencies. Debugging the code involves running the code in a controlled environment and using tools such as breakpoints, watches, and logs to monitor the execution and find the source of errors. Both methods can help improve the quality and security of the code.
NEW QUESTION # 184
Which of the following security operations tasks are ideal for automation?
- A. Firewall IoC block actions:
Examine the firewall logs for IoCs from the most recently published zero-day exploit Take mitigating actions in the firewall to block the behavior found in the logs Follow up on any false positives that were caused by the block rules - B. Security application user errors:
Search the error logs for signs of users having trouble with the security application Look up the user's phone number Call the user to help with any questions about using the application - C. Suspicious file analysis:
Look for suspicious-looking graphics in a folder.
Create subfolders in the original folder based on category of graphics found.
Move the suspicious graphics to the appropriate subfolder - D. Email header analysis:
Check the email header for a phishing confidence metric greater than or equal to five Add the domain of sender to the block list Move the email to quarantine
Answer: D
Explanation:
Email header analysis is one of the security operations tasks that are ideal for automation. Email header analysis involves checking the email header for various indicators of phishing or spamming attempts, such as sender address spoofing, mismatched domains, suspicious subject lines, or phishing confidence metrics. Email header analysis can be automated using tools or scripts that can parse and analyze email headers and take appropriate actions based on predefined rules or thresholds
NEW QUESTION # 185
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. EDR
- B. SIEM
- C. SOAR
- D. CASB
Answer: A
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 Reference:
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/
NEW QUESTION # 186
A company's application development has been outsourced to a third-party development team.
Based on the SLA, the development team must follow industry best practices for secure coding.
Which of the following is the BEST way to verify this agreement?
- A. Security regression testing
- B. Application fuzzing
- C. Input validation
- D. User acceptance testing
- E. Stress testing
Answer: B
Explanation:
Threat actors use fuzzing to find zero-day exploits - this is known as a fuzzing attack. Security professionals, on the other hand, leverage fuzzing techniques to assess the security and stability of applications.
https://brightsec.com/blog/fuzzing/
NEW QUESTION # 187
A security analyst reviews the following results of a Nikto scan:
Which of the following should the security administrator investigate next?
- A. shtml.exe
- B. sshome
- C. phpList
- D. tiki
Answer: A
Explanation:
The security administrator should investigate shtml.exe next, as it is a potential vulnerability that allows remote code execution on the web server. Nikto scan results indicate that the web server is running Apache on Windows, and that the shtml.exe file is accessible in the /scripts/ directory. This file is part of the Server Side Includes (SSI) feature, which allows dynamic content generation on web pages. However, if the SSI feature is not configured properly, it can allow attackers to execute arbitrary commands on the web server by injecting malicious code into the URL or the web page12. Therefore, the security administrator should check the SSI configuration and permissions, and remove or disable the shtml.exe file if it is not needed. References:
Nikto-Penetration testing. Introduction, Web application scanning with Nikto
NEW QUESTION # 188
A security analyst is trying to detect connections to a suspicious IP address by collecting the packet captures from the gateway. Which of the following commands should the security analyst consider running?
- A. tcpdump -n -r packets.pcap host [IP address]
- B. cat packets.pcap | grep [IP Address]
- C. grep [IP address] packets.pcap
- D. strings packets.pcap | grep [IP Address]
Answer: A
Explanation:
Explanation
tcpdump is a command-line tool that can capture and analyze network packets from a given interface or file.
The -n option prevents tcpdump from resolving hostnames, which can speed up the analysis. The -r option reads packets from a file, in this case packets.pcap. The host [IP address] filter specifies that tcpdump should only display packets that have the given IP address as either the source or the destination. This command can help the security analyst detect connections to a suspicious IP address by collecting the packet captures from the gateway. Official References:
https://partners.comptia.org/docs/default-source/resources/comptia-cysa-cs0-002-exam-objectives
https://www.techtarget.com/searchsecurity/quiz/Sample-CompTIA-CySA-test-questions-with-answers
https://www.reddit.com/r/CompTIA/comments/tmxx84/passed_cysa_heres_my_experience_and_how_i_st
NEW QUESTION # 189
......
CompTIA CS0-003, also known as the CompTIA Cybersecurity Analyst (CySA+) Certification exam, is a globally recognized certification designed to validate the skills and knowledge required to perform intermediate-level cybersecurity analysis. CompTIA Cybersecurity Analyst (CySA+) Certification Exam certification helps IT professionals to advance their career in cybersecurity by demonstrating their expertise in identifying and addressing security threats and vulnerabilities.
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