I need a WordPress woocommerce website loaded, and complete security as my hosting has been hacked 4 times in 4 months

I need to keep hackers out my hosting. My hosting company doesn't know how they're getting in. There may be a vulnerability in woocommerce but I need an expert at keeping hackers out and to reload WordPress then woocommerce.

I will populate the store...
All sales orders must go to either an email address or a secure web page for driver to choose order, pick it and deliver it.

All sales are through e-transfer so no checkout involved. Only confirmation of order.