Which of the following ensures that a sender cannot deny sending a message?

Posted by: Pdfprep Category: GISP Tags: GISP exam questions, GISP practice exam, GIAC Information Security Post Date: October 21, 2020

Which of the following ensures that a sender cannot deny sending a message?
A . Authentication
B . Snooping
C . Spoofing
D . Non repudiation

Answer: D