NIST SP 800-53 Rev 5: SI-8 Spam Protection

Broadcom – Five Best Practices to Manage and Control Third-Party Risk

BeyondTrust – How to Secure Remote Access for Vendors & Employees: 10 Tips

Delinea – Limit Privileged Access for Third-Party Vendors Without Restricting their Ability to Get Work Done

Department of Homeland Security – Configuring and Managing Remote Access for Industrial Control Systems

Security Scorecard – Best Practices for Trusted Third-Party Risk Management

NIST SP 800-209 Security Guidelines for Storage Infrastructure

NIST SP 800-147B BIOS Protection Guidelines for Servers

State of Alabama – System Maintenance Policy

Citrix Blogs – Security best practices: Multi-factor authentication