AC-11 (01) - Session Lock (Pattern-Hiding Displays)

Last modified: July 17, 2026

Introduction

This document describes how Private Mendix Platform fulfills the AC-11 (01) control.

Control ID AC-11 (01)
Control category AC - Access Control
Requirement baseline FEDRAMP MODERATE
Responsibility and ownership Mendix - Private Mendix Platform, Customer - Org

Control

The information system conceals, through the session lock, information previously visible on the display with a publicly viewable image.

Supplemental Guidance

Publicly viewable images can include static or dynamic images, for example, patterns used with screen savers, photographic images, solid colors, clock, battery life indicator, or a blank screen, with the additional caveat that none of the images convey sensitive information.

For more information, refer to OMB Memorandum 06-16.

Responsibility

Customer Responsibility

The customer administrator must configure this feature properly according to the organization's own access policy.

Guidance

Customer Responsibility

Private Mendix Platform provides the setting to configure idleness detection. Administrators can enable Detect User Idle, then configure the Maximum duration before session lock and enable Require Pin to unlock. This setting will lock user’s session after setting duration passed and ask for Pin to unlock.

Proof and Remarks

To configure the setting, go to Admin > Settings > Identity & Access:

After the time specified in the Maximum duration before session lock time setting passes, the user needs to enter a PIN to unlock their session:

For information about implementing the function in your Mendix apps by building a widget which runs a JavaScript snippet with idle detection API, refer to the following topics: