How to keep your eCommerce website safe?

I know only a few things regarding security of an eCommerce store and want to know more. This is what i knew
- Update eCommerce solution's SSL/TLS to encrypt browser communications
- Regularly test eCommerce website for loop holes
- Remove risky software that endanger online security

Are there any extra tips to make our eCommerce sites safe?

It will depend on the software you are using. Prestashop, Woocommerce, Magento or OpenCart haven't the same requirement for the security.

The SSL will keep your visitors safe, not your server. And testing a software in production is not always a good idea

Ways to Keep Your eCommerce website safe -
1. Choose a eCommerce platform that's secure.
2. Ensure your online checkout has secure connection and you have PCI compliance certificate.
3. Avoid storing sensitive data.
4. Install a verification system for address and card.
5. Make strong passwords compulsory.
6. System alerts need to be installed for suspicious activity.
7. Layer your security.
8. Make sure your employees are trained for security.
9. Track numbers for all orders.
10. Do website monitoring regularly and ensure the hosting company does it too.
11. Perform regular PCI scans.
12. Patch your systems.
13. Make sure you have a DDoS protection and mitigation service.