# Blursec SDK > Pre-auth credential & session leak detection backed by live stealer-log threat intel. ## Docs - [Blursec SDK](https://docs.blursec.dev/index.md): Pre-auth credential & session leak detection backed by live stealer-log threat intel. - [How it works](https://docs.blursec.dev/docs/how-it-works.md) - [Configuration](https://docs.blursec.dev/docs/configuration.md) - [Errors](https://docs.blursec.dev/docs/errors.md) - [Advanced](https://docs.blursec.dev/docs/advanced.md) - [Mcp](https://docs.blursec.dev/docs/mcp.md) - [Replit](https://docs.blursec.dev/docs/replit.md) - [Frontend](https://docs.blursec.dev/docs/frontend.md) - [Credentials](https://docs.blursec.dev/docs/resources/credentials.md) - [Sessions](https://docs.blursec.dev/docs/resources/sessions.md) - [Webhooks](https://docs.blursec.dev/docs/resources/webhooks.md) - [Auth](https://docs.blursec.dev/docs/resources/auth.md)