Microsoft – Configure Microsoft Entra ID to meet CMMC Level 2

CMMC Level 2 Assessment Guide

State of Alabama – System Maintenance Policy

NIST SP 800-53 Rev 5: MA–4 Nonlocal Maintenance

NIST SP 800-53: IA-2 Identification and Authentication (Organization Users)

CyberSheath- How Multi-Factor Authentication Protects Your Business

SANS Whitepaper – Two-Factor Authentication (2FA) using OpenOTP

North Carolina – IT System Maintenance Policy