Points taken from article:
- Android 15 is adding a built-in mechanism to protect your device from “juice jacking” attacks.
- Charging will be allowed when lockdown mode is enabled in Android 15, but USB data access will not.
- Juice jacking is a largely theoretical problem you don’t really need to worry about, but it’s still nice that Android will protect you against it.
Don’t you already need to unlock the phone to change USB protocol?
Yes, but the data pins are still connected and talking to some software. That software can have vulnerabilities.
It’s more secure to allow no communication whatsoever, whereas it’s extremely hard to prove that any software is free of vulnerabilities.