As a Joomla administrator you should be aware of security issues, how to maintain them, and how to make a backup or restore a backup. Learn more about Security & Maintenance.
- Knowledge about official security resources and how to subscribe to them.
- Making the site Search Engine Friendly (SEF URL’s, maintenance )
- (Two factor) authentication
- Backups & Restoring backups.
- General knowledge. Check that the backup was successful.