the.com/access control
the bouncer of the digital world: knows your name, checks the list, doesn't care about your feelings.
means the system of rules deciding who or what can view, use, or touch a resource, and what happens when they try.
from grew out of 1960s multi-user operating systems, where sharing one mainframe meant someone had to decide whose files were whose business.
three modelsdiscretionary, mandatory, and role-based each fight differently
least privilegethe golden rule everyone agrees on, few follow
physical cousinsame logic as keycards on office doors
biggest failure modetoo permissive, discovered only after breach