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SSCP · Question #565

Which of the following is a cryptographic protocol and infrastructure developed to send encrypted credit card numbers over the Internet?

The correct answer is A. Secure Electronic Transaction (SET). SET was developed by a consortium including Visa and MasterCard. Mondex is a smart card electronic cash system owned by MasterCard. SSH-2 is a secure, efficient, and portable version of SSH (Secure Shell) which is a secure replacement for telnet. Secure HTTP is a secure…

Submitted by alyssa_d· Apr 18, 2026Cryptography

Question

Which of the following is a cryptographic protocol and infrastructure developed to send encrypted credit card numbers over the Internet?

Options

  • ASecure Electronic Transaction (SET)
  • BMONDEX
  • CSecure Shell (SSH-2)
  • DSecure Hypertext Transfer Protocol (S-HTTP)

How the community answered

(26 responses)
  • A
    92% (24)
  • C
    4% (1)
  • D
    4% (1)

Explanation

SET was developed by a consortium including Visa and MasterCard. Mondex is a smart card electronic cash system owned by MasterCard. SSH-2 is a secure, efficient, and portable version of SSH (Secure Shell) which is a secure replacement for telnet. Secure HTTP is a secure message-oriented communications protocol designed for use in conjunction with HTTP. It is designed to coexist with HTTP's messaging model and to be easily integrated with HTTP applications.

Topics

#SET protocol#Electronic transactions#Cryptographic protocols#Payment security

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