Assessment Objective

Determine if:

• AC-11a. further access to the system is prevented by [Selection (one or more): initiating a device lock after [Assignment: time period] of inactivity; requiring the user to initiate a device lock before leaving the system unattended];
• AC-11b. device lock is retained until the user re-establishes access using established identification and authentication procedures.

Assessment Methods

Examine

• Access control policy
• procedures addressing session lock
• procedures addressing identification and authentication
• system design documentation
• system configuration settings and associated documentation
• security plan
• system security plan
• other relevant documents or records

Interview

• System/network administrators
• organizational personnel with information security responsibilities
• system developers

Test

• Mechanisms implementing access control policy for session lock

Tichete legate

• NIST -

  https://csrc.nist.gov/pubs/sp/800/53/r5/upd1/final