Please consider bringing the old Security Bulletins back. If the individual bulletins cannot be brought back, the monthly summary should DEFINITELY remain and include links out to the Security Update Guide.

https://social.technet.microsoft.com/Forums/en-US/e49ea9bf-f364-4f1f-8c84-93766fa96065/bring-the-old-security-bulletins-back?forum=securityupdateguide