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CISM · Question #903
CISM Question #903: Real Exam Question with Answer & Explanation
The correct answer is C: Transport Layer Security (TLS). TLS provides encryption for data in transit over the internet, protecting confidentiality against interception; NAT, hashing, and MFA do not encrypt the communication channel.
Submitted by luis.pe· Apr 18, 2026Information Security Program Development and Management
Question
Which of the following is the BEST method to protect the confidentiality of data transmitted over the internet?
Options
- ANetwork address translation (NAT)
- BMessage hashing
- CTransport Layer Security (TLS)
- DMulti-factor authentication (MFA)
Explanation
TLS provides encryption for data in transit over the internet, protecting confidentiality against interception; NAT, hashing, and MFA do not encrypt the communication channel.
Topics
#Data Confidentiality#Data in Transit Security#TLS#Encryption
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