What do security updates actually do?

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I’m on iPhone, and quite often they release a new version of iOS and the release notes just say “security update”.

What exactly do these updates do? Are they a result from attempted cyberattacks? What would happen if they didn’t release these updates?

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4 Answers

Anonymous 0 Comments

Let’s say I build birdhouses.

I build them for a while and I’ve sold many, but someone tells me there is a flaw. I used nails instead of screws, and if they mess with it just right, the nails will fall out and it’ll do something that birdhouses aren’t supposed to do, like fall apart.

A security patch would be like me calling up every person I sold a bird house, and offering to fix it by replacing all nails with screws.

Essentially someone wrote code in a component that has a fundamental flaw, and a patch will replace that entire component with corrected code.

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