Educating customers and staff on online security is another way to ensure secure payment systems for e-commerce. You can do this by providing clear information on your website about security policies, payment methods, and refund policies. Additionally, displaying trust badges and logos from payment gateways, SSL providers, and security partners can help to increase consumer confidence. Furthermore, it's important to encourage customers to use strong passwords, update their software, and avoid phishing emails and links. Training staff on how to handle sensitive data, avoid malware, and report suspicious activities is also necessary. Lastly, make sure to keep your staff up-to-date on the latest security trends, threats, and solutions.