If you've updated to 6.0.3 and still see the security notification in your OpenERP home screen, you can remove it by logging in as an administrator, going to Administration>Reporting>Audit>Client Logs, press "Clear" to reset the filters, and then delete the related system message.
If you've updated to 6.0.3 and still see the security notification in your OpenERP home screen, you can remove it by logging in as an administrator, going to Administration> Reporting> Audit>Client Logs, press "Clear" to reset the filters, and then delete the related system message.