What is the difference between discretionary access control (DAC) and mandatory access control?

[ProfRon]

I always get confused with these at first. You know DAC lets the file owner pick who gets in. It's like you owning a secret clubhouse and handing out keys to buddies. I mean, you decide the rules there. No bossy system overrides your call.

MAC flips that script entirely. The whole setup enforces strict labels on everything. You can't just invite whoever; clearances dictate access. I picture it as military ranks blocking doors. You follow the chain, no shortcuts.

Think about your phone versus a top-secret lab. DAC gives you freedom to share pics with pals. MAC locks down data by sensitivity levels. I bet you'd hate MAC on your personal stuff. Too rigid for everyday chaos.

Swapping between them changes how secure your world feels. DAC trusts your judgment mostly. MAC demands obedience to the system's wisdom. I once tinkered with both in a project. DAC felt loose and fun; MAC like wearing a straitjacket.

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