With an individual domain name we can upload all the content we want, in a free domain or share domain, upload content in some cases have a limit, for example the size of an image, in an individual domain we can add our brand, in a shared, we can add our brand side to company share those domains, we can have our own email address, practically we have a complete autonomy in our website.
A brute attack is a method of cracking someone's password/credentials using a predefined set or list of commonly used passwords or from a database leak.
We can prevent our passwords from being brute forced by using a combination of password with no dictionary words and using many symbols and numbers with both upper and lower case characters.