It's highly unlikely that you will get a definitive answer to this question. All you can do is install software to protect the system generally, against many - if not all - attacks. I use...
Being a business, although you can still have the second two free. You would have pay for 'Avast'.
They do it for me and have been for a few years now. However no-one can afford to be complacent. You still have to keep you finger on the pulse. If it skips a beat, move fast and take immediate action!