1. Implement Strong Encryption: Implementing strong encryption is one of the most important techniques used to ensure the security of an iOS app. This can be done by using Apple’s CommonCrypto library to encrypt data stored on the device. For example, when a user logs into the app, the password can be encrypted using the library and stored in the device’s Keychain.
2. Use Secure Network Connections: All network connections should be encrypted using TLS/SSL. This ensures that all data transmitted between the app and the server is secure and cannot be intercepted by malicious actors.
3. Use Secure Authentication: Secure authentication is essential for any app that requires a user to log in. This can be done by using two-factor authentication or biometric authentication such as Face ID or Touch ID.
4. Implement App Sandboxing: App sandboxing is a security technique that isolates an app from other apps and the operating system. This ensures that the app cannot access data from other apps or the system itself.
5. Use Secure Data Storage: Data stored on the device should be securely encrypted. This can be done by using the iOS Data Protection API to encrypt the data.
6. Use App Transport Security: App Transport Security (ATS) is a security feature that prevents unencrypted connections from being used when sending data from the app to a server. This ensures that all data is securely encrypted when being transmitted over the internet.