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WGU (KFO1/D488) Cybersecurity Architecture and Engineering Exam - Topic 3 Question 7 Discussion

Actual exam question for WGU's WGU (KFO1/D488) Cybersecurity Architecture and Engineering exam
Question #: 7
Topic #: 3
[All WGU (KFO1/D488) Cybersecurity Architecture and Engineering Questions]

A cloud hosting provider is concerned about the potential risks associated with attacks that target the confidentiality and integrity of sensitive data stored on its servers' volatile memory. The provider has decided to implement hardening techniques and endpoint security controls to mitigate the risk.

Which hardening technique will meet the needs of this provider?

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Suggested Answer: A

To protect datain use(within memory), the provider must implementhardware-level memory encryptionandtrusted execution environments(secure enclaves), which protect against cold boot attacks, memory scraping, and unauthorized access.

NIST SP 800-207A (Hardware-Enabled Security: Enclaves):

''Trusted execution environments and memory encryption mechanisms help ensure that data remains protected even when systems are compromised at lower levels.''

This is amodern cloud security best practiceespecially useful forconfidential computingenvironments.

WGU Course Alignment:

Domain:System Security Engineering / Cryptography

Topic:Protect data in use with hardware-based encryption and enclaves


by Phuong at Jan 26, 2026, 12:02 PM

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Rene
15 days ago
Totally agree, a layered security approach is the way to go!
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Krissy
20 days ago
Really? Can hardening techniques actually stop all attacks?
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Derrick
26 days ago
Hardening the OS is crucial for preventing attacks.
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Selene
1 month ago
I think regular updates and patches are key too.
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Sharika
1 month ago
Encryption is a must for protecting sensitive data!
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Mohammad
1 month ago
Securing the memory, eh? Sounds like a real brain-teaser. Better not let the hackers get their hands on that juicy data!
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Carline
2 months ago
Haha, I bet the provider is really sweating over this one. Gotta keep that data safe, am I right?
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Regenia
2 months ago
Randomizing the memory layout to prevent memory disclosure attacks could be the solution.
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Marvel
2 months ago
I'd say implementing memory isolation and access control policies would be the best approach.
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Ilda
2 months ago
Encrypting the volatile memory seems like the way to go.
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Annabelle
2 months ago
I feel like using secure coding practices could be part of the solution, but I’m not sure how that ties into hardening techniques for volatile memory.
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Ty
2 months ago
Hardening techniques like disabling unnecessary services could be relevant here, but I’m not confident if that directly addresses the confidentiality and integrity concerns.
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Tammara
3 months ago
I remember practicing a question about endpoint security controls, and I think implementing strict access controls might also help mitigate risks related to sensitive data.
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Chana
3 months ago
I think using encryption for data in memory could be a solid hardening technique, but I'm not entirely sure if that's the best approach for volatile memory specifically.
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Elouise
4 months ago
Based on the details provided, I think memory encryption is the way to go. It should protect the confidentiality and integrity of the data stored in volatile memory, which seems to be the main concern the cloud provider is trying to address.
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Vilma
4 months ago
I'm a bit confused on the differences between the various hardening techniques. I'll need to review my notes on memory encryption, isolation, and secure boot to decide which one would be most appropriate here.
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Keena
4 months ago
Secure boot could be a good choice, but I'm not sure if that would fully address the risks to the volatile memory. Maybe a combination of techniques like memory encryption and secure boot would be the best approach.
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Jame
4 months ago
Hmm, I'm not sure about that. Wouldn't memory isolation or secure boot be a better option to address the specific concerns mentioned in the question?
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Rene
4 months ago
I think implementing memory encryption would be a good hardening technique to protect the confidentiality and integrity of the data.
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