Storing a credit card number is just an example. LunaDefend can store any text or even large files.
The LunaDefend Stack creates trusted contexts in which sensitive data can be stored and/or processed. This is achieved through libraries and services, which are integrated into your application, working together through secure communication channels.
To understand how data is encrypted at rest with the LunaDefend Tokenizer, you can check out How LunaDefend Tokens are encrypted.
There are multiple configurations of the stack which allow for a flexible onboarding experience based on your organization's needs. To understand the different levels available and what their advantages are, check out LunaDefend Security Levels.
Each component of the LunaDefend Stack assists in protecting against common security vulnerabilities. To understand how the stack works together to achieve this, check out LunaDefend Mitigations for Common Security Vulnerabilities.