First of all, you should secure your internet from data leakage by using VPN. I have my own business and one of the first things which I done - got a VPN. It is very important if you want to secure your organisation’s data traffic and provide your colleagues with safe remote access. There are a lot of different VPN's which are offering great deals for small business. Personally, I use NordVPN Teams for half a year and my colleagues are happy by their services. Also, I heard good reviews about VyprVPN and PureVPN so you can check them out.
Take better control of your passwords.
Encrypt your entire .
Configure two-factor authentication.
Don't trust native .
Help customers be .
Keep redundant backups.
Never credit card data.