Install the secure your wordpress site Firewall Plugin. This plugin investigates requests with heuristics that are straightforward to recognize and quit attacks that are obvious.
Strong passwords - Do what you can to use a password, alpha-numeric. Easy to remember passwords are also easy to guess!
Should you ever want to migrate your website elsewhere, such as a new hosting company, you'd be able to pull this news off without a hitch, and also without needing to disturb your old site until the new one was in place and ready to roll.
Note that you should try this step for setups. You need to change the table names website here inside the database, if you would like to do it for existing installations.
There are always going to be risks being online (or even just being alive!) Also it's easy to get caught up in the panic. We often put the breaks on when we get caught up in the fear. This isn't a good reaction. Just take some common sense precautions forge ahead. It is going to have to be addressed then, if something does happen and no amount of quaking in your boots before-hand will have helped. If nothing does, all is good and you haven't made yourself sick.