If a device or the client certificate and encryption key are lost or stolen, you must immediately remove the device from the system to prevent the device from being able to log in.

Use one of the following procedures to remove devices from the system.

• Refer to "Administrator Procedure to Remove Devices" for more information on the procedure for administrators to remove devices.
• Refer to "Removing Devices" in "IIJ ID Service Manual [For Users]" for more information on the procedure for users themselves to remove devices.