This one is a big challenge with the continuous rise in online data theft but you need to attend to it sincerely. As an online estore owner, you will have sensitive data of your customers like name, address, card details, mobile numbers, etc. So, maintaining and keeping them secure is your responsibility. Make sure that your technology partner is using the updated algorithms to keep the data secure.
With the help of your technical partner or ecommerce web development company make sure to develop the checkout process as simple as possible. Make sure it has features like multiple online payment methods, auto-fill address, etc. so it becomes easy for you to deliver products and make your customers happy.