Update About Facebook Breach
https://newsroom.fb.com/news/2018/09/security-update/
Adobe Acrobat/Reader Update
https://helpx.adobe.com/security/products/acrobat/apsb18-30.html
SMTP MTA Strict Transport Security (MTA-STS)
https://www.rfc-editor.org/rfc/rfc8461.txt
