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Candidates who crack the CAS-005 examination of the CompTIA CAS-005 certification validate their worth in the sector of information technology. The CompTIA CAS-005 credential is evidence of their talent. Reputed firms hire these talented people for high-paying jobs. To get the CompTIA SecurityX Certification Exam (CAS-005) certification, it is essential to clear the CompTIA SecurityX Certification Exam (CAS-005) test. For this task, you need to update CompTIA SecurityX Certification Exam (CAS-005) preparation material to get success.
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NEW QUESTION # 523
A social media company wants to change encryption ciphers after identifying weaknesses in the implementation of the existing ciphers. The company needs the new ciphers to meet the following requirements:
* Utilize less RAM than competing ciphers.
* Be more CPU-efficient than previous ciphers.
* Require customers to use TLS 1.3 while broadcasting video or audio.
Which of the following is the best choice for the social media company?
Answer: C
Explanation:
ChaCha20-Poly1305is a cipher suite specifically designed for efficiency on systems with limited hardware resources. It offers high security with lower memory and CPU consumption compared to AES on certain platforms, especially mobile devices. TLS 1.3 supports ChaCha20-Poly1305 natively. CBC (Cipher Block Chaining) modes like IDEA-CBC and Camellia-CBC are less efficient and not recommended under TLS 1.3, and AES-GCM, while secure, can be less efficient than ChaCha20 on devices without AES hardware acceleration.
Reference:CompTIA SecurityX CAS-005, Domain 3.0: Implement secure protocols including TLS 1.3 and lightweight cipher selections for performance efficiency.
NEW QUESTION # 524
Which of the following key management practices ensures that an encryption key is maintained within the organization?
Answer: A
Explanation:
Step by Step Explanation:
Understanding the Scenario: The question is about ensuring that an organization retains control over its encryption keys. It focuses on different key storage and management methods.
Analyzing the Answer Choices:
A). Encrypting using a key stored in an on-premises hardware security module (HSM): This is thebest option for maintaining complete control over encryption keys. An HSM is a dedicated, tamper-resistant hardware device specifically designed for secure key storage and cryptographic operations. Storing keys on-premises within an HSM ensures the organization has exclusive access.
Reference: HSMs are a core component of strong key management practices, often discussed in CASP+ material related to cryptography and data protection.
B). Encrypting using server-side encryption capabilities provided by the cloud provider: With server-side encryption, the cloud provider typically manages the encryption keys. This means the organization is relinquishing some control over the keys.
C). Encrypting using encryption and key storage systems provided by the cloud provider: Similar to option B, using cloud-provider-managed key storage systems means the organization doesn't have full, exclusive control over the keys.
D). Encrypting using a key escrow process for storage of the encryption key: Key escrow involves entrusting a third party with a copy of the encryption key. This introduces a potential security risk, as the organization no longer has sole control over the key. Also, the key is not maintained within the organization.
Reference: Key escrow is sometimes used for data recovery, but it's generally not recommended for maintaining the highest level of security and control over encryption keys. This is relevant to CASP+ discussions on risk assessment and key management best practices.
Why A is the Correct answer:
Control: On-premises HSMs provide the highest level of control over encryption keys. The organization has physical and logical control over the HSM and the keys stored within it.
Security: HSMs are designed to be tamper-resistant and protect keys from unauthorized access, even if the surrounding systems are compromised.
Compliance: In some industries, regulatory requirements may mandate that organizations maintain direct control over their encryption keys. On-premises HSMs can help meet these requirements.
CASP+ Relevance: HSMs, key management, and data encryption are fundamental topics in CASP+. The exam emphasizes understanding the security implications of different key management approaches.
Elaboration on Key Management Principles:
Key LifecycleManagement: Proper key management involves managing the entire lifecycle of a key, from generation and storage to rotation and destruction.
Separation of Duties: It's generally a good practice to separate the roles of key management and data encryption to enhance security.
Access Control: Strict access controls should be in place to limit who can access and use encryption keys.
In conclusion, using an on-premises HSM for key storage is the best way to ensure that an organization maintains control over its encryption keys. It provides the highest level of security and control, aligning with best practices in cryptography and key management as emphasized in the CASP+ exam objectives.
NEW QUESTION # 525
A security engineer is implementing security measures on new hardware in preparation for its launch. During the development phase, a risk related to protections at the UEFI level was found.
Which of the following should the engineer recommend to reduce this risk?
Answer: B
Explanation:
Enabling Secure Boot at the UEFI level helps ensure that only trusted and signed operating system loaders and boot files can be executed on the hardware. This prevents unauthorized code, such as bootkits or rootkits, from loading during the boot process, significantly reducing risks at the UEFI level. Secure Boot is an essential measure to ensure the integrity of the system from the very start of the boot process.
NEW QUESTION # 526
A company implemented a NIDS and a NIPS on the most critical environments. Since this implementation, the company has been experiencing network connectivity issues. Which of the following should the security architect recommend for a new NIDS/NIPS implementation?
Answer: B
Explanation:
Comprehensive and Detailed
Best practice in CAS-005 network security design is to deploy:
NIDS passively via a port mirror (SPAN port) to avoid introducing latency or failure points.
NEW QUESTION # 527
A Chief Information Security Officer is concerned about the operational impact of ransomware. In the event of a ransomware attack, the business requires the integrity of the data to remain intact and an RPO of less than one hour. Which of the following storage strategies best satisfies the business requirements?
Answer: B
Explanation:
Comprehensive and Detailed In-Depth Explanation:
* Remote journaling continuously sends log updates to a remote system, ensuring near-real-time backup and an RPO (Recovery Point Objective) under one hour.
* Key concepts:
* RPO under one hour means minimal data loss.
* Remote journaling provides rapid recovery by keeping near-live backups.
* Other options:
* A (Full disk encryption) protects against unauthorized access but does not aid recovery.
* C (Immutable storage) prevents modification but does not ensure real-time backups.
* D (RAID 10) improves redundancy but does not help against ransomware.
NEW QUESTION # 528
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