If you do nothing
If you do nothing about security, the most likely effect is that all users can access and change every resource. This includes not only local users, but also those on remote systems using distributed queuing or clients, where the logon security controls might be less strict than is normally the case for z/OS.
To enable security checking do the following:
- Install and activate an ESM (for example, Security Server).
- Define the MQADMIN class if you are using an ESM other than Security Server.
- Activate the MQADMIN class.