Imagine the scenario you have built a lovely Joomla website you’ve filled it full of content and all is well.
Then one day it is hacked and becomes corrupted, unusable. Someone or something has managed to enter your file system and corrupt it.
You seek advice and are told that you left your folders and files open allowing easy access for the hackers program. The attack could have been thwarted had you locked down the permissions on your files and folders.