authoritarian /ə-thôr″ĭ-târ′ē-ən, ə-thŏr″-, ô-/ adjective

Characterized by or favoring absolute obedience to authority, as against individual freedom.

"an authoritarian regime."

Look, it's right there in the example even.

If you would like to argue definitions I encourage you to spend some quality time with a dictionary. Google can point you to several.

Since the Stasi were one arm of an authoritarian government and the Nazis were the whole-ass authoritarian government, including Stasi-like arms, it's not an apples-to-apples comparison. But I mean if you're just here to conflate fascism and communism then you are probably immune to nuance and subtlety anyway, so by all means, don't let me stop you.

Heh, I worked in IT for many years, I remember the days of obsessive wipes of Windows machines to restore ghosted drive images because users couldn't keep from installing malware or other bullshit on their system. One guy I had to wipe it every day for a fucking week straight to get the message across, and only then because he came whining to me about resetting his machine again and I got fed up and gave him what-for.