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CompTIA - Newest CAS-004 - CompTIA Advanced Security Practitioner (CASP+) Exam Valid Exam Test

Candidates who become CompTIA CAS-004 certified demonstrate their worth in the CompTIA field. CAS-004 certification is proof of their competence and skills. This is a highly sought after credential and it makes career advancement easier for the candidate. To become CompTIA CAS-004 Certified, you must pass the CompTIA Advanced Security Practitioner (CASP+) Exam (CAS-004) Exam. For this task, you need actual and updated CAS-004 Questions.

CompTIA Advanced Security Practitioner (CASP+) Exam Sample Questions (Q282-Q287):

NEW QUESTION # 282
Which of the following allows computation and analysis of data within a ciphertext without knowledge of the plaintext?

A. Lattice-based cryptography
B. Quantum computing
C. Homomorphic encryption
D. Asymmetric cryptography

Answer: C

Explanation:
Reference: https://searchsecurity.techtarget.com/definition/cryptanalysis Homomorphic encryption is a type of encryption that allows computation and analysis of data within a ciphertext without knowledge of the plaintext. This means that encrypted data can be processed without being decrypted first, which enhances the security and privacy of the data. Homomorphic encryption can enable applications such as secure cloud computing, machine learning, and data analytics.References:
https://www.ibm.com/security/homomorphic-encryption
https://www.synopsys.com/blogs/software-security/homomorphic- encryption/

NEW QUESTION # 283
A company recently deployed a SIEM and began importing logs from a firewall, a file server, a domain controller a web server, and a laptop. A security analyst receives a series of SIEM alerts and prepares to respond. The following is the alert information:

Which of the following should the security analyst do FIRST?

A. Shut down abc-usa-fw01; the remote access VPN vulnerability is exploited
B. Disable the jdoe account, it is likely compromised
C. Disable Administrator on abc-uaa-fsl, the local account is compromised
D. Shut down the abc-usa-fsl server, a plaintext credential is being used

Answer: B

Explanation:
Based on the SIEM alerts, the security analyst should first disable the jdoe account, as it is likely compromised by an attacker. The alerts show that the jdoe account successfully logged on to the abc-usa-fsl server, which is a file server, and then initiated SMB (445) traffic to the abc-web01 server, which is a web server. This indicates that the attacker may be trying to exfiltrate data from the file server to the web server.
Disabling the jdoe account would help stop this unauthorized activity and prevent further damage.
Disabling Administrator on abc-usa-fsl, the local account is compromised, is not the first action to take, as it is not clear from the alerts if the local account is compromised or not. The alert shows that there was a successful logon event for Administrator on abc-usa-fsl, but it does not specify if it was a local or domain account, or if it was authorized or not. Moreover, disabling the local account would not stop the SMB traffic from jdoe to abc-web01.
Shutting down the abc-usa-fsl server, a plaintext credential is being used, is not the first action to take, as it is not clear from the alerts if a plaintext credential is being used or not. The alert shows that there was RDP (3389) traffic from abc-admin1-logon to abc-usa-fsl, but it does not specify if the credential was encrypted or not. Moreover, shutting down the file server would disrupt its normal operations and affect other users.
Shutting down abc-usa-fw01; the remote access VPN vulnerability is exploited, is not the first action to take, as it is not clear from the alerts if the remote access VPN vulnerability is exploited or not. The alert shows that there was FTP (21) traffic from abc-usa-dcl to abc-web01, but it does not specify if it was related to the VPN or not. Moreover, shutting down the firewall would expose the network to other threats and affect other services. References: What is SIEM? | Microsoft Security, What is a SIEM Alert? | Cofense

NEW QUESTION # 284
A security analyst for a managed service provider wants to implement the most up-to-date and effective security methodologies to provide clients with the best offerings. Which of the following resources would the analyst MOST likely adopt?

A. ISO
B. MITRE ATT&CK
C. OWASP
D. OSINT

Answer: B

NEW QUESTION # 285
A security consultant needs to set up wireless security for a small office that does not have Active Directory. Despite the lack of central account management, the office manager wants to ensure a high level of defense to prevent brute-force attacks against wireless authentication. Which of the following technologies wouldbestmeet this need?

A. WPA3 SAE
B. WPA2 PSK
C. WEP 128 bit
D. Faraday cage

Answer: A

Explanation:
Comprehensive and Detailed in-Depth
Why the Correct Answer is C (WPA3 SAE):
WPA3 SAE (Simultaneous Authentication of Equals)is the most advanced method for wireless security in small office environments without centralized authentication (like Active Directory).
It addressesbrute-force attacksthroughforward secrecyand theDragonfly key exchangemethod, making it resistant to dictionary attacks and offline cracking.
WPA3 SAEenhances security by protecting against password-guessing attacks even when a weak password is chosen.
Additionally,WPA3 SAEeliminates the vulnerabilities found in WPA2-PSK by using amore secure key exchange mechanism.
Why the Other Options Are Incorrect:
A . Faraday cage:
A Faraday cage can block wireless signals entirely, but it does not provide asecurity protocolfor wireless authentication.
It's primarily used forsignal isolationrather than securing wireless communication.
B . WPA2 PSK:
AlthoughWPA2 PSK (Pre-Shared Key)is widely used, it is vulnerable tobrute-force and offline dictionary attacks, especially when weak passwords are used.
WPA2 does not includeprotection against offline password cracking, which is a significant concern.
D . WEP 128 bit:
WEP (Wired Equivalent Privacy)is extremely outdated and insecure.
It uses theRC4 stream cipher, which is prone toIV (Initialization Vector) collisionsandkey recovery attacks.
Modern tools can crack WEP keys within minutes, making it highly unsuitable.
Additional Information:
WPA3 SAEis particularly designed for environments where there is no centralized authentication server (likeActive Directory), which fits the small office scenario perfectly.
TheDragonfly handshakeused by WPA3 SAE prevents offline brute-force attacks by usingpassword-based authenticated key exchange.
Even if an attacker captures the handshake, they cannot easily performoffline dictionary attacksdue toindividualized encryptionfor each session.
Extract from CompTIA SecurityX CAS-005 Study Guide:
According to theCompTIA SecurityX CAS-005 Official Study Guide, WPA3 offers improved security over WPA2 by providingrobust protection against password guessing attacks, especially in environments without enterprise-grade authentication mechanisms. TheSAE protocolis highlighted as essential forpersonal and small office wireless networkswhere enhanced security is required without the complexity of a RADIUS server.

NEW QUESTION # 286
A security administrator needs to implement an X.509 solution for multiple sites within the human resources department. This solution would need to secure all subdomains associated with the domain name of the main human resources web server. Which of the following would need to be implemented to properly secure the sites and provide easier private key management?

A. Certificate pinning
B. Digital signature
C. Registration authority
D. Wildcard certificate
E. Certificate revocation list

Answer: D

Explanation:
A wildcard certificate is one that contains the wildcard character * in its domain name field. This allows the certificate to be used for any number of subdomains.
Not to be confused with subject alternate name (SAN), wildcard certificates can only be used for subdomains where a SAN can be used to specify a completely different domain name. Wildcard certificates are particularly useful for SSL accelerators and load balancers (LB) that provide the outward-facing component of a website.

NEW QUESTION # 287
......

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CAS-004 Valid Exam Test | Latest CAS-004 Test Practice

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CompTIA Advanced Security Practitioner (CASP+) Exam Sample Questions (Q282-Q287):

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