How simple sysadmin was in 1994 with no cryptography on any protocol. Everything could be easily MITM'd. Your credit card number would get jacked left and right in the 90s.
Cool. Feel free to explain how to tighten things up.
I've just given them part of a recipe for using DNSSEC. I suspect you are not actually human .. qingcharles.
Nobody was taking credit cards online then. Your telnet sessions were easily sniffed, however.