2020 New CompTIA CySA+ CS0-002 Practice Test Questions

1. An analyst is performing penetration testing and vulnerability assessment activities against a new vehicle automation platform.

Which of the following is MOST likely an attack vector that is being utilized as part of the testing and assessment?

2. An information security analyst observes anomalous behavior on the SCADA devices in a power plant. This behavior results in the industrial generators overheating and destabilizing the power supply.

Which of the following would BEST identify potential indicators of compromise?

3. Which of the following would MOST likely be included in the incident response procedure after a security breach of customer PII?

4. An analyst is working with a network engineer to resolve a vulnerability that was found in a piece of legacy hardware, which is critical to the operation of the organization’s production line. The legacy hardware does not have third-party support, and the OEM manufacturer of the controller is no longer in operation. The analyst documents the activities and verifies these actions prevent remote exploitation of the vulnerability.

Which of the following would be the MOST appropriate to remediate the controller?

5. A small electronics company decides to use a contractor to assist with the development of a new FPGA-based device. Several of the development phases will occur off-site at the contractor’s labs.

Which of the following is the main concern a security analyst should have with this arrangement?

6. A security analyst is trying to determine if a host is active on a network.

The analyst first attempts the following:

The analyst runs the following command next:

Which of the following would explain the difference in results?

7. A cybersecurity analyst is contributing to a team hunt on an organization’s endpoints.

Which of the following should the analyst do FIRST?

8. A security analyst received a SIEM alert regarding high levels of memory consumption for a critical system. After several attempts to remediate the issue, the system went down. A root cause analysis revealed a bad actor forced the application to not reclaim memory. This caused the system to be depleted of resources.

Which of the following BEST describes this attack?

9. Which of the following software security best practices would prevent an attacker from being able to run arbitrary SQL commands within a web application? (Choose two.)

10. A cyber-incident response analyst is investigating a suspected cryptocurrency miner on a company’s server.

Which of the following is the FIRST step the analyst should take?

11. While planning segmentation for an ICS environment, a security engineer determines IT resources will need access to devices within the ICS environment without compromising security.

To provide the MOST secure access model in this scenario, the jumpbox should be.

12. Which of the following secure coding techniques can be used to prevent cross-site request forgery attacks?

13. Risk management wants IT to implement a solution that will permit an analyst to intercept, execute, and analyze potentially malicious files that are downloaded from the Internet.

Which of the following would BEST provide this solution?

14. A web-based front end for a business intelligence application uses pass-through authentication to authenticate users. The application then uses a service account, to perform queries and look up data m a database A security analyst discovers employees are accessing data sets they have not been authorized to use.

Which of the following will fix the cause of the issue?

15. Clients are unable to access a company’s API to obtain pricing data. An analyst discovers sources other than clients are scraping the API for data, which is causing the servers to exceed available resources.

Which of the following would be BEST to protect the availability of the APIs?

16. A security team is implementing a new vulnerability management program in an environment that has a historically poor security posture. The team is aware of issues patch management in the environment and expects a large number of findings.

Which of the following would be the MOST efficient way to increase the security posture of the organization in the shortest amount of time?

17. The computer incident response team at a multinational company has determined that a breach of sensitive data has occurred in which a threat actor has compromised the organization’s email system. Per the incident response procedures, this breach requires notifying the board immediately.

Which of the following would be the BEST method of communication?

18. A security analyst for a large financial institution is creating a threat model for a specific threat actor that is likely targeting an organization’s financial assets.

Which of the following is the BEST example of the level of sophistication this threat actor is using?

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

IF * TO <[email protected]> THEN mailto: <[email protected]>

SELECT FROM ‘sent’ THEN DELETE FROM <[email protected]>

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?

20. During routine monitoring, a security analyst discovers several suspicious websites that are communicating with a local host.

The analyst queries for IP 192.168.50.2 for a 24-hour period:

To further investigate, the analyst should request PCAP for SRC 192.168.50.2 and.

21. An analyst is reviewing the following output:

Which of the following was MOST likely used to discover this?

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

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

23. During an investigation, a security analyst determines suspicious activity occurred during the night shift over the weekend. Further investigation reveals the activity was initiated from an internal IP going to an external website.

Which of the following would be the MOST appropriate recommendation to prevent the activity from happening in the future?

24. A security analyst is reviewing packet captures from a system that was compromised. The system was already isolated from the network, but it did have network access for a few hours after being compromised.

When viewing the capture in a packet analyzer, the analyst sees the following:

Which of the following can the analyst conclude?

25. The inability to do remote updates of certificates. keys software and firmware is a security issue commonly associated with:

26. A security analyst received an email with the following key:

Xj3XJ3LLc

A second security analyst received an email with following key:

3XJ3xjcLLC

The security manager has informed the two analysts that the email they received is a key that allows access to the company’s financial segment for maintenance.

This is an example of:

27. A security analyst is providing a risk assessment for a medical device that will be installed on the corporate network. During the assessment, the analyst discovers the device has an embedded operating system that will be at the end of its life in two years. Due to the criticality of the device, the security committee makes a risk-based policy decision to review and enforce the vendor upgrade before the end of life is reached.

Which of the following risk actions has the security committee taken?

28. A security analyst is reviewing a web application. If an unauthenticated user tries to access a page in the application, the user is redirected to the login page. After successful authentication, the user is then redirected back to the original page. Some users have reported receiving phishing emails with a link that takes them to the application login page but then redirects to a fake login page after successful authentication.

Which of the following will remediate this software vulnerability?

29. D18912E1457D5D1DDCBD40AB3BF70D5D

A security analyst scanned an internal company subnet and discovered a host with the following Nmap output.

Based on the output of this Nmap scan, which of the following should the analyst investigate FIRST?

30. A security analyst has received information from a third-party intelligence-sharing resource that indicates employee accounts were breached.

Which of the following is the NEXT step the analyst should take to address the issue?

31. An information security analyst on a threat-hunting team Is working with administrators to create a hypothesis related to an internally developed web application.

The working hypothesis is as follows:

• Due to the nature of the industry, the application hosts sensitive data associated with many clients and Is a significant target

•. The platform Is most likely vulnerable to poor patching and Inadequate server hardening, which expose vulnerable services.

•. The application is likely to be targeted with SQL injection attacks due to the large number of reporting capabilities within the application.

As a result, the systems administrator upgrades outdated service applications and validates the endpoint configuration against an industry benchmark. The analyst suggests developers receive additional training on implementing identity and access management, and also implements a WAF to protect against SOL injection attacks.

Which of the following BEST represents the technique in use?

32. An incident response team is responding to a breach of multiple systems that contain PII and PHI.

Disclosing the incident to external entities should be based on:

33. A security analyst has a sample of malicious software and needs to know what the sample does. The analyst runs the sample in a carefully controlled and monitored virtual machine to observe the software behavior.

Which of the following malware analysis approaches is this?

34. A company’s Chief Information Security Officer (CISO) is concerned about the integrity of some highly confidential files. Any changes to these files must be tied back to a specific authorized user’s activity session.

Which of the following is the BEST technique to address the CISO’s concerns?

35. A team of security analysts has been alerted to potential malware activity. The initial examination indicates one of the affected workstations is beaconing on TCP port 80 to five IP addresses and attempting to spread across the network over port 445.

Which of the following should be the team’s NEXT step during the detection phase of this response process?

36. A security analyst on the threat-hunting team has developed a list of unneeded, benign services that are currently running as part of the standard OS deployment for workstations. The analyst will provide this list to the operations team to create a policy that will automatically disable the services for all workstations in the organization.

Which of the following BEST describes the security analyst’s goal?

37. HOTSPOT

Welcome to the Enterprise Help Desk System. Please work the ticket escalated to you in the desk ticket queue.

INSTRUCTIONS

Click on me ticket to see the ticket details Additional content is available on tabs within the ticket

First, select the appropriate issue from the drop-down menu. Then, select the MOST likely root cause from second drop-down menu

If at any time you would like to bring back the initial state of the simulation, please click the Reset All button

38. A developer wrote a script to make names and other Pll data unidentifiable before loading a

database export into the testing system.

Which of the following describes the type of control that is being used?

39. An executive assistant wants to onboard a new cloud based product to help with business analytics and dashboarding. When of the following would be the BEST integration option for the service?

40. What is the executable file name or the malware?

41. Which of the following assessment methods should be used to analyze how specialized software performs during heavy loads?

42. A threat feed notes malicious actors have been infiltrating companies and exfiltration data to a specific set of domains Management at an organization wants to know if it is a victim.

Which of the following should the security analyst recommend to identity this behavior without alerting any potential malicious actors?

43. A cybersecurity analyst is responding to an incident. The company’s leadership team wants to attribute the incident to an attack group.

Which of the following models would BEST apply to the situation?

44. A cybersecurity analyst is dissecting an intrusion down to the specific techniques and wants to organize them in a logical manner.

Which of the following frameworks would BEST apply in this situation?

45. While analyzing logs from a WAF, a cybersecurity analyst finds the following:

Which of the following BEST describes what the analyst has found?

46. Ann, a user, reports to the security team that her browser began redirecting her to random sites while using her Windows laptop. Ann further reports that the OS shows the C: drive is out of space despite having plenty of space recently. Ann claims she not downloaded anything.

The security team obtains the laptop and begins to investigate, noting the following:

✑ File access auditing is turned off.

✑ When clearing up disk space to make the laptop functional, files that appear to be cached web pages are immediately created in a temporary directory, filling up the available drive space.

✑ All processes running appear to be legitimate processes for this user and machine.

✑ Network traffic spikes when the space is cleared on the laptop.

✑ No browser is open.

Which of the following initial actions and tools would provide the BEST approach to determining what is happening?

47. Which of the following technologies can be used to store digital certificates and is typically used in high-security implementations where integrity is paramount?

48. A company’s modem response team is handling a threat that was identified on the network Security analysts have as at remote sites.

Which of the following is the MOST appropriate next step in the incident response plan?

49. It is important to parameterize queries to prevent:

50. Which of the following is the MOST important objective of a post-incident review?

51. Which of me following BEST articulates the benefit of leveraging SCAP in an organization’s cybersecurity analysis toolset?

52. A security analyst suspects a malware infection was caused by a user who downloaded malware after clicking http://<malwaresource>/A.php in a phishing email.

To prevent other computers from being infected by the same malware variation, the analyst should create a rule on the.

53. An analyst is performing penetration testing and vulnerability assessment activities against a new vehicle automation platform.

Which of the following is MOST likely an attack vector that is being utilized as part of the testing and assessment?

54. During a review of vulnerability scan results an analyst determines the results may be flawed because a control-baseline system which is used to evaluate a scanning tools effectiveness was reported as not vulnerable Consequently, the analyst verifies the scope of the scan included the control-baseline host which was available on the network during the scan. The use of a control-baseline endpoint in this scenario assists the analyst in confirming.

55. As part of a review of incident response plans, which of the following is MOST important for an organization to understand when establishing the breach notification period?

56. A new on-premises application server was recently installed on the network. Remote access to the server was enabled for vendor support on required ports, but recent security reports show large amounts of data are being sent to various unauthorized networks through those ports.

Which of the following configuration changes must be implemented to resolve this security issue while still allowing remote vendor access?

57. A pharmaceutical company’s marketing team wants to send out notifications about new products to alert users of recalls and newly discovered adverse drug reactions. The team plans to use the names and mailing addresses that users have provided.

Which of the following data privacy standards does this violate?

58. An organization suspects it has had a breach, and it is trying to determine the potential impact.

The organization knows the following:

✑ . The source of the breach is linked to an IP located in a foreign country.

✑ The breach is isolated to the research and development servers.

✑ . The hash values of the data before and after the breach are unchanged.

✑ The affected servers were regularly patched, and a recent scan showed no vulnerabilities.

Which of the following conclusions can be drawn with respect to the threat and impact? (Choose two.)

59. A security analyst has discovered trial developers have installed browsers on all development servers in the company’s cloud infrastructure and are using them to browse the Internet.

Which of the following changes should the security analyst make to BEST protect the environment?

60. A security manager has asked an analyst to provide feedback on the results of a penetration lest.

After reviewing the results the manager requests information regarding the possible exploitation of vulnerabilities Much of the following information data points would be MOST useful for the analyst to provide to the security manager who would then communicate the risk factors to senior management? (Select TWO)

61. A cyber-incident response analyst is investigating a suspected cryptocurrency miner on a company’s server.

Which of the following is the FIRST step the analyst should take?

62. A security analyst reviews the following aggregated output from an Nmap scan and the border firewall ACL:

Which of the following should the analyst reconfigure to BEST reduce organizational risk while maintaining current functionality?

63. A web developer wants to create a new web part within the company website that aggregates sales from individual team sites. A cybersecurity analyst wants to ensure security measurements are implemented during this process.

Which of the following remediation actions should the analyst take to implement a vulnerability management process?

64. A development team is testing a new application release. The team needs to import existing client PHI data records from the production environment to the test environment to test accuracy and functionality.

Which of the following would BEST protect the sensitivity of this data while still allowing the team to perform the testing?

65. A storage area network (SAN) was inadvertently powered off while power maintenance was being performed in a datacenter. None of the systems should have lost all power during the maintenance. Upon review, it is discovered that a SAN administrator moved a power plug when testing the SAN’s fault notification features.

Which of the following should be done to prevent this issue from reoccurring?

66. A security analyst is investigating a malware infection that occurred on a Windows system. The system was not connected to a network and had no wireless capability Company policy prohibits using portable media or mobile storage. The security analyst is trying to determine which user caused the malware to get onto the system.

Which of the following registry keys would MOST likely have this information?

67. A security analyst is investigating malicious traffic from an internal system that attempted to download proxy avoidance software as identified from the firewall logs but the destination IP is blocked and not captured.

Which of the following should the analyst do?

68. A user receives a potentially malicious email that contains spelling errors and a PDF document. A security analyst reviews the email and decides to download the attachment to a Linux sandbox for review.

Which of the following commands would MOST likely indicate if the email is malicious?

69. A security analyst is attempting to utilize the blowing threat intelligence for developing detection capabilities:

In which of the following phases is this APT MOST likely to leave discoverable artifacts?

70. Which of the following attacks can be prevented by using output encoding?

71. A security analyst recently discovered two unauthorized hosts on the campus’s wireless network segment from a man-m-the-middle attack. The security analyst also verified that privileges were not escalated, and the two devices did not gain access to other network devices.

Which of the following would BEST mitigate and improve the security posture of the wireless network for this type of attack?

72. A cybersecurity analyst is contributing to a team hunt on an organization’s endpoints.

Which of the following should the analyst do FIRST?

73. Which of the following software security best practices would prevent an attacker from being able to run arbitrary SQL commands within a web application? (Choose two.)

74. A security analyst received an alert from the SIEM indicating numerous login attempts from users outside their usual geographic zones, all of which were initiated through the web-based mail server. The logs indicate all domain accounts experienced two login attempts during the same time frame.

Which of the following is the MOST likely cause of this issue?

75. For machine learning to be applied effectively toward security analysis automation, it requires.

76. Which of the following BEST describes the primary role ol a risk assessment as it relates to compliance with risk-based frameworks?

77. During an investigation, an incident responder intends to recover multiple pieces of digital media.

Before removing the media, the responder should initiate:

78. Which of the following technologies can be used to house the entropy keys for task encryption on desktops and laptops?

79. A security administrator needs to create an IDS rule to alert on FTP login attempts by root.

Which of the following rules is the BEST solution?

80. An organization wants to move non-essential services into a cloud computing environment. Management 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?

81. A security analyst is conducting a post-incident log analysis to determine which indicators can be used to detect further occurrences of a data exfiltration incident.

The analyst determines backups were not performed during this time and reviews the following:

Which of the following should the analyst review to find out how the data was exfilltrated?

82. A security architect is reviewing the options for performing input validation on incoming web form submissions.

Which of the following should the architect as the MOST secure and manageable option?

83. 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?

84. An audit has revealed an organization is utilizing a large number of servers that are running unsupported operating systems.

As part of the management response phase of the audit, which of the following would BEST demonstrate senior management is appropriately aware of and addressing the issue?

85. A security analyst wants to identify which vulnerabilities a potential attacker might initially exploit if the network is compromised.

Which of the following would provide the BEST results?

86. A security analyst has observed several incidents within an organization that are affecting one specific piece of hardware on the network. Further investigation reveals the equipment vendor previously released a patch.

Which of the following is the MOST appropriate threat classification for these incidents?

87. Which of the following software assessment methods would be BEST for gathering data related to an application’s availability during peak times?

88. Bootloader malware was recently discovered on several company workstations. All the workstations run Windows and are current models with UEFI capability.

Which of the following UEFI settings is the MOST likely cause of the infections?

89. Which of the following policies would state an employee should not disable security safeguards, such as host firewalls and antivirus on company systems?

90. Because some clients have reported unauthorized activity on their accounts, a security analyst is reviewing network packet captures from the company’s API server.

A portion of a capture file is shown below:

POST /services/v1_0/Public/Members.svc/soap <s:Envelope+xmlns:s="http://schemas.s/soap/envelope/"><s:Body><GetIPLocation+xmlns="http://tempuri.org/">

<request+xmlns:a="http://schemas.somesite.org"+xmlns:i="http://www.w3.org/2001/XMLSchema-instance"></s:Body></s:Envelope> 192.168.1.22 – – api.somesite.com 200 0 1006 1001 0 192.168.1.22

POST /services/v1_0/Public/Members.svc/soap <<a:Password>Password123</a:Password><a:ResetPasswordToken+i:nil="true"/> <a:ShouldImpersonatedAuthenticationBePopulated+i:nil="true"/><a:Username>[email protected]</a:Username></request></Login></s:Body></s:Envelope> 192.168.5.66 – – api.somesite.com 200 0 11558 1712 2024 192.168.4.89

POST /services/v1_0/Public/Members.svc/soap <s:Envelope+xmlns:s="http://schemas.xmlsoap.org/soap/envelope/"><s:Body><GetIPLocation+xmlns="http://tempuri.org/"> <a:IPAddress>516.7.446.605</a:IPAddress><a:ZipCode+i:nil="true"/></request></GetIPLocation></s:Body></s:Envelope> 192.168.1.22 – – api.somesite.com 200 0 1003 1011 307 192.168.1.22

POST /services/v1_0/Public/Members.svc/soap <s:Envelope+xmlns:s="http://schemas.xmlsoap.org/soap/envelope/"><s:Body><IsLoggedIn+xmlns="http://tempuri.org/"> <request+xmlns:a="http://schemas.datacontract.org/2004/07/somesite.web+xmlns:i="http://www.w3.org/2001/XMLSchema-instance"><a:Authentication> <a:ApiToken>kmL4krg2CwwWBan5BReGv5Djb7syxXTNKcWFuSjd</a:ApiToken><a:ImpersonateUserId>0</a:ImpersonateUserId><a:LocationId>161222</a:LocationId> <a:NetworkId>4</a:NetworkId><a:ProviderId>”1=1</a:ProviderId><a:UserId>13026046</a:UserId></a:Authentication></request></IsLoggedIn></s:Body></s:Envelope> 192.168.5.66 – – api.somesite.com 200 0 1378 1209 48 192.168.4.89

Which of the following MOST likely explains how the clients’ accounts were compromised?