I just logged into my hosting service looking for the updated version of Drupal. The version you updated to was 8.1.6 which has been flagged as having a Critical Security risk even though 8.1.7 that fixes this risk has been posted since Monday.
https://www.drupal.org/SA-CORE-2016-003
* Advisory ID![:D]( "Big Grin :D")
RUPAL-SA-2016-002
* Project![:D]( "Big Grin :D")
rupalcore [1]
* Version: 8.x
* Date: 2016-July-18
* Security risk: 20/25 ( Highly Critical)...
Security Risk
https://www.drupal.org/SA-CORE-2016-003
* Advisory ID
RUPAL-SA-2016-002* Project
rupalcore [1]* Version: 8.x
* Date: 2016-July-18
* Security risk: 20/25 ( Highly Critical)...
Security Risk