When you read about a splashy new software update like Google's fresh-from-the-oven Android 8.0 Oreo release, you tend to hear mostly about the marquee features — the most attention-grabbing elements and refinements you're likely to notice when you get the update on your own device.

It's understandable, since those are the things we all see most immediately and directly. Beneath the surface, though, Oreo has some pretty significant stuff going on in the realm of security — stuff that hasn't been widely covered but is as important as anything else to understand.

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