These numbers as the time it takes if a Hask of your password was obtained and then bruteforced. This can be achieved using latest hardware that can be readily purchased on the market,Gigabyte GeForce RTX 2080 Ti Turbo 11GB Graphics Card with Costs about 1000 GBP

What do I do?

You can see in the graph that you will need a minimum 10 Characters length password with differing UpperCase\LowerCase\Symbols and Numbers to hold up to a brute force attack.

It is recommended now to use Password Phrases instead of a single word for example

door cisco 2452 tree!