This slide always throws people off.
Checkm8-- so checkm8 we talked about in section 3
to get a forensic acquisition, a full file system acquisition,
of iOS devices.
Now we're talking about it in the Malware section.
It is a Bootrom exploit.
It is a vulnerability hardcoded in the chip.
It affects many devices.
The issue is, what if you don't have a password on your device,
and it falls into the wrong hands?
Could someone put checkm8 on it and actually leverage checkm8
to put CheckRa1n or Unc0ver and get all your data?
They could get a full file system
acquisition of your device.
Keep in mind, it does not survive a reboot.
It is not persistent.
But it does require physical access to your iPhone.
It's not something that someone can trick you into downloading
something on that device.
You physically need to have the iPhone in front of you
to interact with it to jailbreak it.