yii2/docs/guide/security-overview.md

Security

Good security is vital to the health and success of any application. Unfortunately, many developers cut corners when it comes to security, either due to a lack of understanding or because implementation is too much of a hurdle. To make your Yii powered application as secure as possible, Yii has included several excellent and easy to use security features.

• Authentication
• Authorization
• Working with Passwords
• Cryptography
• Views security
• Auth Clients
• Best Practices
• Trusted proxies and headers