Critical Mac Security Flaw

Earlier this afternoon, a user on Twitter publicly disclosed a critical security vulnerability affecting Mac OS X Computers. While the extent of the vulnerability it not yet fully known, the issue allows any malicious person to easily gain full access to your computer with extremely little effort. This problem also affects the latest version of OS X, High Sierra 10.13.1. Therefore, even if your computer is currently up-to-date, this problem will affect you.

To determine if you are on the latest update :

  • Click the Apple logo in the upper-left, then click About This Mac.
  • Users with version 10.31.1 are known at-risk.
  • Other versions are NOT at-risk.

Update 11/29/2017 :

Apple has released a security patch to fix this vulnerability. If you have not already done so, please ensure that the patch has been installed.

To check for the patch :

  • Open the App Store.
  • Click on the Updates tab.
  • Look for the Security Update 2017-001.
  • If it has not already been installed, click on Update to install it.

If you have any questions, please contact Provost IT.

For more information about this security patch, you may view Apple official notice :