> For the complete documentation index, see [llms.txt](https://docs.omics.ai/products/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.omics.ai/products/publisher/getting-started/logging-in-to-publisher.md).

# Logging in to Publisher

## Authentication System

Publisher uses [Passport](https://github.com/DNAstack/dnastack-product-docs/blob/main/docs/publisher/getting-started/broken-reference/README.md), DNAstack's digital identity management system, to handle user authentication and permissions. Passport is specifically designed for federated data environments where data is distributed across multiple locations and organizations.

## Login Requirements

Publisher currently requires a Google account for authentication through Single Sign-On (SSO). Important notes about authentication:

* A Google account is mandatory for Publisher access
* This login is separate from your data source credentials
* Your Publisher login does not affect or interact with your cloud resource access configurations

{% hint style="info" %}
If you do not currently have a Google account, you can follow [this guide](/products/passport/register-account-with-google.md) to register your email address with a Google account.
{% endhint %}

## Login Process

1. Navigate to your Publisher instance
2. Click "Log in with Passport"
3. Select "Sign in with Google"
4. Choose your Google account

{% hint style="info" %}
When you sign in, DNAstack receives only basic profile information (name, email, and profile image). This process does not grant Google any permissions to resources connected through Publisher.
{% endhint %}

After successful authentication, you'll be directed to the Collections page, which displays your Publisher's available [Collections](/products/publisher/collections.md).


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