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Question 329 - CAS-004 discussion

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A software development company is building a new mobile application for its social media platform. The company wants to gain its users' trust by reducing the risk of on-path attacks between the mobile client and its servers and by implementing stronger digital trust. To support users' trust, the company has released the following internal guidelines:

* Mobile clients should verify the identity of all social media servers locally.

* Social media servers should improve TLS performance of their certificate status

* Social media servers should inform the client to only use HTTPS.

Given the above requirements, which of the following should the company implement? (Select TWO).

A.
Quick UDP internet connection
Answers
A.
Quick UDP internet connection
B.
OCSP stapling
Answers
B.
OCSP stapling
C.
Private CA
Answers
C.
Private CA
D.
DNSSEC
Answers
D.
DNSSEC
E.
CRL
Answers
E.
CRL
F.
HSTS
Answers
F.
HSTS
G.
Distributed object model
Answers
G.
Distributed object model
Suggested answer: B, F

Explanation:

The company should implement OCSP stapling and HSTS to improve TLS performance and enforce HTTPS. OCSP stapling is a technique that allows a server to provide a signed proof of the validity of its certificate along with the TLS handshake, instead of relying on the client to contact the certificate authority (CA) for verification. This can reduce the latency and bandwidth of the TLS handshake, as well as improve the privacy and security of the certificate status. HSTS stands for HTTP Strict Transport Security, which is a mechanism that instructs browsers to only use HTTPS when connecting to a website, and to reject any unencrypted or invalid connections. This can prevent downgrade attacks, man-in-the-middle attacks, and mixed content errors, as well as improve the performance of HTTPS connections by avoiding unnecessary redirects. Verified

Reference:

https://www.techtarget.com/searchsecurity/definition/OCSP-stapling

https://www.techtarget.com/searchsecurity/definition/HTTP-Strict-Transport-Security

https://www.cloudflare.com/learning/ssl/what-is-hsts/

asked 02/10/2024
Chrysovalantis Oikonomopoulos
35 questions
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