CMMC L 2 - Control AC. L2-3.1.10: Workstation Lockout [M365 environment]
Objective: Prevent unauthorized access to unattended systems by enforcing automatic workstation lockout after a defined period of inactivity. Overview of the Control CMMC Level 2 requires organizations to implement technical safeguards that ensure unattended workstations automatically lock after a specified period of inactivity. This control maps to: NIST 800-171 Reference : 3.1.10[a], [b], [c] – Access Control 3.13.15 – System and Communications Protection Implementation Plan 🔹 Step 1: Define Organizational Policy Create or update your Workstation Configuration Policy to include: Lockout after 15 minutes of inactivity Applies to all endpoints handling CUI Enforcement via Microsoft Intune for both Windows and macOS Manual lockout behavior encouraged through user training 🔹 Step 2: Configure Windows Devices via Intune Tool : Microsoft Intune Settings Catalog Platform : Windows 10/11 and later Configuration Steps: Sign ...