Identity Repack: Facebook Login

Facebook Login Identity is a that balances convenience with tracking prevention (via app-scoped IDs). It relies on multiple authentication factors and passive signals to verify users. While it reduces password fatigue, it centralizes identity risk – compromising a Facebook account can grant access to many connected services.

To ensure a seamless and secure experience, developers should: facebook login identity

To explain how Facebook establishes, manages, and shares user identity during the login process, particularly focusing on: Facebook Login Identity is a that balances convenience

| Identifier | Description | |------------|-------------| | | Primary user-supplied identifier for login | | User ID | Unique internal numeric ID per Facebook account | | App-scoped ID | Unique ID for a user within a specific third-party app (changes per app) | facebook login identity