The macOS 13 Ventura operating system will soon block unknown USB-C and Thunderbolt accessories by default. The new security feature will not automatically allow you to use your MacBook accessory for the first time. Almost all types of USB-C gadgets except a few will be blocked.
To start using a MacBook-connected device, the user must first authorize it. To do this, the OS will display a pop-up window asking for the user’s permission.
The permit does not require a connection to a power adapter, stand-alone display and authorized hub.
Unless the user approves the accessory, he will not be able to use it. However, the connected device will continue to be charged. Although the user can block it.
The operating system will start asking for permission to connect only for new accessories All accessories that the user has attached before upgrading to MacOS 13 will be considered approved.
If the user is confident about the security of USB gadgets, he can disable this automatic lock. To do this, you can change the security configuration in the System Settings> Security and Privacy> Security menu. Initial Configuration – Request new accessories. Authorized devices can connect to a locked Mac for up to three days
Restricting the use of USB-C devices by default is an attempt to prevent hardware threats. After all, USB accessories have a chip that allows attackers to write malware.
In 2014, researchers showed that the only way to get rid of an infected and harmful USB accessory is to discard it. After all, the usual means of protection against such hardware attacks are powerless.