Azure devops security across different projects

Yes, you can restrict access to Azure DevOps items (work items, code, builds, etc.) between project sites in Azure DevOps. Each project in Azure DevOps has its own set of permissions, security groups, and access controls, and by default, users don't have cross-project permissions unless explicitly granted. Here’s how you can manage and restrict access between projects:


### 1. **Use Different Security Groups Per Project**

  - Each project in Azure DevOps has **security groups** such as *Project Administrators*, *Contributors*, *Readers*, etc.

  - If users belong to different projects, you can control their permissions using these groups. Users who should not have access to another project can simply not be added to that project’s security groups.


### 2. **Set Specific Permissions at the Project Level**

  - Go to **Project Settings** > **Permissions**.

  - Select the security group (e.g., Contributors or Readers) that applies to users of that project.

  - Ensure the users or groups only have the necessary permissions for their own project and deny or restrict permissions that would allow them to view or modify items from other projects.

  - For example, under **Repos** or **Boards**, ensure permissions are denied for unwanted access across projects.


### 3. **Restrict Permissions to Specific Areas/Iterations**

  - In Azure DevOps, you can also configure access control at the **Area Path** level. 

  - If a project is divided into multiple teams, ensure that the **Area Paths** and **Iterations** are set up properly. You can limit users or groups to access specific areas (such as work items or iterations) based on their roles within that area.


  Steps:

  - Navigate to **Project Settings** > **Work** > **Areas**.

  - Set **permissions** for each area to control access to specific work items or iterations.


### 4. **Repository-Specific Permissions**

  If you want to restrict access to code repositories across projects:

  - Go to **Project Settings** > **Repositories**.

  - Select the specific repository you want to restrict.

  - Adjust the repository permissions, denying access to users from other projects.


### 5. **Use Access Control Lists (ACLs) for Pipelines and Releases**

  If you want to control access to pipelines or release definitions across projects:

  - Go to **Project Settings** > **Pipelines** > **Permissions**.

  - For each pipeline or release, specify which users or groups have access to it.


### 6. **Shared Services**

  If you have shared resources (like service connections or libraries) that span multiple projects, ensure that these shared services have restricted access as well.


  - Go to **Project Settings** > **Service Connections**.

  - Set permissions to deny access to unauthorized users or groups from other projects.


### Key Points:

  - Users added to a specific project do not automatically have access to other projects unless explicitly granted.

  - Permissions can be defined at the project, team, area, or repository levels.

  - Ensure users are part of appropriate security groups to enforce restrictions.


This setup allows you to ensure that items within one project are not accessible to users who should only be working on a separate project. Let me know if you need more detailed steps on any of these options!

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