Chrome OS to block USB access while the screen is locked

guest · Dec 23, 2018

Chrome OS to block USB access while the screen is locked
Google takes steps to protect Chromebooks from some types of physical access attacks
December 23, 2018
https://www.zdnet.com/article/chrome-os-to-block-usb-access-while-the-screen-is-locked/

The new feature, named USBGuard, will block access to the USB port access while the device's screen is locked.

According to a Chrome OS source code commit spotted by Chrome Story earlier this week, the new feature is currently available in Chrome OS Canary builds and is expected to land in the stable branch of Chrome OS soon.
Once this happens, users can enable it by modifying the following Chrome OS flag: chrome://flags/#enable-usbguard

The way this security feature is meant to work is by preventing the operating system from reading or executing any code when a USB-based device is plugged in, and the screen is locked.
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reasonablePrivacy · Feb 24, 2019

Linux 5.1 Picking Up Option To Lockdown All But Internal USB Devices
https://www.phoronix.com/scan.php?page=news_item&px=Linux-5.1-USB-Auth-Default-2

A change for Google's Chrome OS is working its way into the upstream Linux 5.1 codebase that adds a new mode to the kernel's USB authorization mechanism. This opt-in change will allow users/administrators to only authorize internal USB devices by default.

The Linux kernel's USB authorization code has already allowed the explicit authorization of all or none devices, should you want user-space to manage to what USB devices can interface with the system.
Click to expand...

mirimir · Feb 24, 2019

Nice

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Chrome OS to block USB access while the screen is locked

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