How iPhone becomes more compromised after iOS software support ends?

[Sami13496]

Could someone please explain to me how iPhone iOS exactly becomes more compromised after software support ends? If I don’t visit suspicious websites, open suspicious emails or download fishy files?

 

[Lihp8270]

When exploits are found. Apple doesn’t fix them on iOS versions which are unsupported.

 

[iStorm]

Also, exploits can come in any shape or form, it’s not just about your internet browsing habits. You could be the safest internet/email user in the world, but still get exploited/hacked in other ways. There could be an exploit with the lightning port, or maybe someone sends you a well crafted message that involves no interaction, or an exploit via Bluetooth, etc.

These are a few past examples:

Here’s how the FBI managed to get into the San Bernardino shooter’s iPhone

The end to a mystery that’s been around for years.

www.theverge.com

iPhones Can Apparently Now Be Hacked Just By Texting Them

A journalist says a hacker was able to access his iPhone after sending him a text message — even though he never clicked on any links.

futurism.com

Researchers devise iPhone malware that runs even when device is turned off

Research is largely theoretical but exposes an overlooked security issue.

arstechnica.com

 

[FreakinEurekan]

Because when Apple stops updating iOS, it doesn’t mean hackers stop hacking.

 

[maclad]

Because

I have notifications turned off, so if you quote me in a reply there's a decent chance I'll never see it. I'm not ignoring you, specifically. I'm ignoring everyone.
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Why do you have notifications turned off, can notifications be a security risk?

 

[iStorm]

I have notifications turned off, so if you quote me in a reply there's a decent chance I'll never see it. I'm not ignoring you, specifically. I'm ignoring everyone.
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Why do you have notifications turned off, can notifications be a security risk?

They're referring to the notifications on this site (found under Preferences in your user account); not on the iPhone/iPad itself.

My guess is he/she doesn't care or have the time to go through all replies they've been quoted in. I know a lot of my quotes in replies aren't really directed at me.

 

[bradbomb]

It is usually a long time before software support ends. I know Apple still has issued security updates to iOS 12 for devices that are stuck at iOS 12.

They also did iOS 15 updates the same day

Apple security releases

This document lists security updates and Rapid Security Responses for Apple software.

support.apple.com