CAS-004 Exam Dumps - CompTIA CASP Questions and Answers

This is because a risk assessment requires identifying the assets that are valuable to the organization and could be targeted by attackers. A full inventory of information and data assets can help the analyst prioritize the most critical assets and determine their potential exposure to threats. Without knowing what assets are at stake, the analyst cannot effectively assess the risk level or the impact of an attack. Creating an inventory of assets is also a prerequisite for performing other actions, such as following compliance standards, measuring availability, or conducting penetration tests.

 Execute never is a technology that can be enabled on the ARM architecture to prevent malware from inserting itself in another process memory location and executing code. Execute never is a feature that allows each memory region to be tagged as not containing executable code by setting the execute never (XN) bit in the translation table entry. If the XN bit is set to 1, then any attempt to execute an instruction in that region results in a permission fault. If the XN bit is cleared to 0, then code can execute from that memory region. Execute never also prevents speculative instruction fetches from memory regions that are marked as non-executable, which can avoid undesirable side-effects or vulnerabilities. By enabling execute never, the developer can protect the process memory from being hijacked by malware. Verified References:

https://developer.arm.com/documentation/ddi0360/f/memory-management-unit/memory-access-control/execute-never-bits

https://developer.arm.com/documentation/den0013/d/The-Memory-Management-Unit/Memory-attributes/Execute-Never

https://developer.arm.com/documentation/ddi0406/c/System-Level-Architecture/Virtual-Memory-System-Architecture–VMSA-/Memory-access-control/Execute-never-restrictions-on-instruction-fetching

Step by Step Explanation:

RPO (Recovery Point Objective): Specifies the maximum acceptable amount of data loss measured in time. If data loss of more than one hour is unacceptable, the RPO should be set to less than or equal to one hour.

RTO (Recovery Time Objective): Refers to the acceptable duration of system downtime, which is not relevant to the question.

The BCP, DRP, and SLA do not directly address data loss.

Signed applications ensure the integrity of the application by verifying that the source code has not been tampered with. Digital signatures provide a cryptographic guarantee that the software is exactly as the developer released it.

Passwordless authentication is an authentication method that does not require the user to enter a password. Instead, it relies on alternative forms of verification, such as biometric readers (fingerprint or facial recognition), proximity badge entry systems, and hardware security tokens. These technologies provide a means to authenticate users with higher assurance levels and would benefit the most from the use of the mentioned devices and methods.

Steganography is a technique that can hide data within other files or media, such as images, audio, or video. This can provide a low-cost approach to theft detection for the audio recordings produced and sold by the small business, as it can embed identifying information or watermarks in the audio files that can reveal their origin or ownership. Performing deep-packet inspection of all digital audio files may not be feasible or effective for theft detection, as it could consume a lot of bandwidth and resources, and it may not detect hidden data within encrypted packets. Adding identifying filesystem metadata to the digital audio files may not provide enough protection for theft detection, as filesystem metadata can be easily modified or removed by unauthorized parties. Purchasing and installing a DRM (digital rights management) suite may not be a low-cost approach for theft detection, as it could involve licensing fees and hardware requirements. Verified References: https://www.comptia.org/blog/what-is-steganography https://partners.comptia.org/docs/default-source/resources/casp-content-guide

Step by Step Explanation:

The information disclosed in the error message (e.g., "Apache Tomcat 7.0.52") provides attackers insights into the software version, which may have known vulnerabilities.

Correcting this issue ensures that attackers cannot use the disclosed information to tailor more sophisticated or targeted attacks.

Best practices include suppressing unnecessary error details to mitigate the risk of information disclosure.

The dd tool creates a bit-for-bit copy of a hard drive, preserving its contents exactly as they are. This is essential for forensic analysis, as it ensures the integrity of evidence. This aligns with CASP+ objective 5.2, which emphasizes forensic tools and techniques for preserving and analyzing digital evidence.

Steganography is the practice of hiding a secret message within another object, in such a way that others cannot discern the presence or contents of the hidden message. It is often used for watermarking to embed a covert sign of ownership in a proprietary document without adding any visible identifying attributes.

When a legal records hold is issued, the organization is required to preserve all documents and communications that may relate to the litigation. This includes emails, files, and any other form of communication that contains the requested search terms. It is a process of ensuring that this information is not deleted, altered, or otherwise tampered with.

One of the known security concerns with the Distributed Network Protocol version 3 (DNP3), which is used in SCADA systems, is the lack of built-in security features, including authentication. This means that by default, it does not verify the identity of the entities communicating, making it susceptible to unauthorized access and commands.

Security Information and Event Management (SIEM) systems provide real-time analysis of security alerts generated by applications and network hardware. SIEMs are beneficial in environments where there is a mix of various solutions, as they can collect and aggregate logs from multiple sources, providing the internal security team with a centralized view and visibility into all platforms. This would best meet the objective of ensuring visibility into all platforms, regardless of the differing solutions across the company's locations.

In this scenario, the organization is looking to deploy a containerized application in the cloud and wants the infrastructure to automatically scale without handling patch management. A Platform as a Service (PaaS) model is the best fit because it allows developers to focus on the application and its deployment, while the cloud provider manages the underlying infrastructure, including patching and scaling. PaaS supports container orchestration, enabling automated scaling based on demand, and offloads most operational responsibilities to the provider. This is in contrast to Infrastructure as a Service (IaaS), which requires more direct management of the infrastructure, including patching. CASP+ highlights PaaS as a service model that minimizes operational overhead for security operations teams.

References:

CASP+ CAS-004 Exam Objectives: Domain 3.0 – Enterprise Security Architecture (Cloud Service Models)

CompTIA CASP+ Study Guide: Cloud Computing and PaaS Benefits