**Synology NAS and a Synology account are required for this Application.**
**DiskStation Manager 7.0 or above version with Synology Secure SignIn service enabled is required.**
Synology Secure SignIn increases account security and offers two verification methods: Approve sign-in and verification code (OTP). Approve sign-in can be used to replace DSM password. For enhanced protection, use either method as the second sign-in step of 2-factor authentication.
From version Synology Secure SignIn 1.0.0:
1. This is the initial version of Synology Secure SignIn app.
