Tools
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**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.

All versions
December 8, 2020