Having designed SOX controls in past, a long-term resource has been re-launched in MAY 2019 to include stronger passwords & spam controls.

http://www.sarbanes-oxley-forum.com

Some key topic areas include:

General Sarbanes Oxley Discussion
Sarbanes-Oxley: IT Issues
Other Legislation & Issues
Overseas Impact of Sarbanes-Oxley
Sarbanes-Oxley: Audit Issues