What data transfer protocol is most interesting in the field of information security?

Question

Information Security

Good day!
The institute was asked to choose some data transfer protocol and talk about it.
I would like something interesting and relevant today, do you recommend anything?
Thanks in advance! =)
PS I'm studying information security.

Answer 1

SCTP

Answer 2

SSL is a commonplace thing, but it was and remains the cornerstone of the security of the entire Internet.

Answer 3

SNMP