Domain Admin is a forest-scale key

In a Windows environment, domain administrator is not an account. It is effectively the keys to everything.

It can reach every machine, read every credential and alter the rules that govern all of them. Which is why attackers aim for it specifically and why using it for routine work is so dangerous: every machine it logs into gets a copy of something worth stealing. Treating it as an ordinary administrative account is how one workstation becomes the whole estate.

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