If you care to tell us what you're doing, maybe we can offer better answers.
Hire an experienced web developer to create a secure online app for you to safely collect, encrypt and process data. If you sell products online for example, you need a PCI compliant shopping cart and payment processing gateway that interfaces with your Merchant bank account so you can get paid. At no time should you be collecting sensitive data without robust security and encryption to protect yourself and your users.
Nancy O'Shea, Adobe Product User & Community Professional Alt-Web Design & Publishing ~ Web : Print : Graphics : Media