If you have an Apple computer, this is an urgent security update!
A security flaw has been found in apple operating systems that could allow someone with physical access to your computer to bypass any security procedures you have in place, such as passwords and secondary login software. Luckily, Apple has already plugged this hole, but the fix will not take effect until you update your computer.
Please go to this link to learn how to install the latest Apple OS updates:
https://support.apple.com/en-us/HT201541
More information about the exploit is forthcoming, and will be posted here.