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Exam Code: CAS-003
Exam Title: CompTIA Advanced Security Practitioner (CASP)
Vendor: CompTIA
Exam Questions: 555
Last Updated: December 18th,2024

Question 1

A company has gone through a round of phishing attacks. More than 200 users have had their workstation infected because they clicked on a link in an email. An incident analysis has determined an executable ran and compromised the administrator account on each workstation. Management is demanding the information security team prevent this from happening again. Which of the following would BEST prevent this from happening again?

A. Antivirus
B. Patch management
C. Log monitoring
D. Application whitelisting
E. Awareness training

Correct Answer:A

Question 2

A company provides on-demand cloud computing resources for a sensitive project. The company implements a fully virtualized datacenter and terminal server access with two-factor authentication for customer access to the administrative website. The security administrator at the company has uncovered a breach in data confidentiality. Sensitive data from customer A was found on a hidden directory within the VM of company B. Company B is not in the same industry as company A and the two are not competitors. Which of the following has MOST likely occurred?

A. Both VMs were left unsecured and an attacker was able to explogt network vulnerabilities to access each and move the data.
B. A stolen two factor token was used to move data from one virtual guest to another host on the same network segment.
C. A hypervisor server was left un-patched and an attacker was able to use a resource exhaustion attack to gain unauthorized access.
D. An employee with administrative access to the virtual guests was able to dump the guest memory onto a mapped disk.

Correct Answer:A
In this question, two virtual machines have been accessed by an attacker. The question is asking what is MOST likely to have occurred.
It is common for operating systems to not be fully patched. Of the options given, the most likely occurrence is that the two VMs were not fully patched allowing an attacker to access each of them. The attacker could then copy data from one VM and hide it in a hidden folder on the other VM. Incorrect Answers:
B: The two VMs are from different companies. Therefore, the two VMs would use different twofactor tokens; one for each company. For this answer to be correct, the attacker would have to steal
both two-factor tokens. This is not the most likely answer.
C: Resource exhaustion is a simple denial of service condition which occurs when the resources necessary to perform an action are entirely consumed, therefore preventing that action from taking place. A resource exhaustion attack is not used to gain unauthorized access to a system.
D: The two VMs are from different companies so it can’t be an employee from the two companies. It is possible (although unlikely) than an employee from the hosting company had administrative access to both VMs. Even if that were the case, the employee would not dump the memory to a mapped disk to copy the information. With administrative access, the employee could copy the data using much simpler methods.
References: https://www.owasp.org/index.php/Resource_exhaustion

Question 3

A user asks a security practitioner for recommendations on securing a home network. The user recently purchased a connected home assistant and multiple IoT devices in an effort to automate the home. Some of the IoT devices are wearables, and other are installed in the user’s automobiles. The current home network is configured as a single flat network behind an ISP-supplied router. The router has a single IP address, and the router performs NAT on incoming traffic to route it to individual devices.
Which of the following security controls would address the user’s privacy concerns and provide the BEST level of security for the home network?

A. Ensure all IoT devices are configured in a geofencing mode so the devices do not work when removed from the home networ
B. Disable the home assistant unless actively using it, and segment the network so each IoT device has its own segment.
C. Install a firewall capable of cryptographically separating network traffic require strong authentication to access all IoT devices, and restrict network access for the home assistant based on time-of-day restrictions.
D. Segment the home network to separate network traffic from users and the IoT devices, ensure security settings on the home assistant support no or limited recording capability, and install firewall rules on the router to restrict traffic to the home assistant as much as possible.
E. Change all default passwords on the IoT devices, disable Internet access for the IoT devices and the home assistant, obtain routable IP addresses for all devices, and implement IPv6 and IPSec protections on all network traffic.

Correct Answer:B

Question 4

The Information Security Officer (ISO) is reviewing new policies that have been recently made effective and now apply to the company. Upon review, the ISO identifies a new requirement to implement two-factor authentication on the company’s wireless system. Due to budget constraints, the company will be unable to implement the requirement for the next two years. The ISO is required to submit a policy exception form to the Chief Information Officer (CIO). Which of the following are MOST important to include when submitting the exception form? (Select THREE).

A. Business or technical justification for not implementing the requirements.
B. Risks associated with the inability to implement the requirements.
C. Industry best practices with respect to the technical implementation of the current controls.
D. All sections of the policy that may justify non-implementation of the requirements.
E. A revised DRP and COOP plan to the exception form.
F. Internal procedures that may justify a budget submission to implement the new requirement.
G. Current and planned controls to mitigate the risk

Correct Answer:ABG
The Exception Request must include: A description of the non-compliance.
The anticipated length of non-compliance (2-year maximum). The proposed assessment of risk associated with non-compliance.
The proposed plan for managing the risk associated with non-compliance.
The proposed metrics for evaluating the success of risk management (if risk is significant). The proposed review date to evaluate progress toward compliance.
An endorsement of the request by the appropriate Information Trustee (VP or Dean). Incorrect Answers:
C: The policy exception form is not for implementation, but for non-implementation.
D: All sections of the policy that may justify non-implementation of the requirements is not required, a description of the non-compliance is.
E: A Disaster recovery plan (DRP) and a Continuity of Operations (COOP) plan is not required, a proposed plan for managing the risk associated with non-compliance is.
F: The policy exception form requires justification for not implementing the requirements, not the other way around.
References: http://www.rit.edu/security/sites/rit.edu.security/files/exception process.pdf

Question 5

A deployment manager is working with a software development group to assess the security of a
new version of the organization’s internally developed ERP tool. The organization prefers to not perform assessment activities following deployment, instead focusing on assessing security throughout the life cycle. Which of the following methods would BEST assess the security of the product?

A. Static code analysis in the IDE environment
B. Penetration testing of the UAT environment
C. Vulnerability scanning of the production environment
D. Penetration testing of the production environment
E. Peer review prior to unit testing

Correct Answer:C