we do Frontend-Backup for month now but since a few weeks it seems to be broken and the external cron-log is telling me "Error 403 - Access denied".
At first I thought that the webhoster may have been reconfiguring their security but that wasn't the case.
Searched the support here and stumbled upon "Joomla update sometimes breaks component settings" but that wasn't it neither.
Do you have any idea in which direction to investigate further?
All the best,
Ralf