CISSP – Information Systems Security Management Professional (ISSMP) — Question 22

Which of the following are the ways of sending secure e-mail messages over the Internet? Each correct answer represents a complete solution. Choose two.

Answer options

• A. TLS
• B. PGP
• C. S/MIME
• D. IPSec

Correct answer: B, C

Explanation

PGP and S/MIME are both protocols specifically designed for securing email communications, providing encryption and digital signatures. TLS, while important for securing connections, is not specifically an email security protocol, and IPSec is primarily used for securing IP communications rather than email.