Which of the following is assured when a user signs an email using a private key?

Which of the following is assured when a user signs an email using a private key?
A . Non-repudiation
B. Confidentiality
C. Availably
D. Authentication

View Answer

Answer: A

Explanation:

Non Repudiation is your virtual John Hancock. It’s a way of virtually stamping any data or document with "I am who I say I am". Only way to break this would be if the private key owners’ private key became compromised.

Which at that point you got bigger problems than Non Repudiation.