Value of UAC
https://isc.sans.edu/forums/diary/UAC+is+not+all+that+bad+really/24620/
Apple Releases Facetime Patch
https://support.apple.com/en-us/HT201222
Skype Video Now Allows For Blurred Background
https://blogs.skype.com/news/2019/02/06/introducing-background-blur-in-skype/
Microsoft Exchange Server Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/adv190007
