> For the complete documentation index, see [llms.txt](https://docs.safetycli.com/safety-2/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.safetycli.com/safety-2/welcome-to-safety-2.md).

# Welcome to Safety 2

<figure><img src="/files/YLANs5IRPXu2m4XiVzGI" alt=""><figcaption></figcaption></figure>

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[2023 Rebrand from PyUp to Safety Cybersecurity](/safety-2/2023-rebrand-from-pyup-to-safety-cybersecurity.md)
{% endcontent-ref %}

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**Existing Customers: Upgrade to Safety 3.0**

Safety 3.0 is now available, providing system-wide scanning, unpinned package support, new SBOM and JSON output formats, and more.&#x20;
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### About Safety 2 / PyUp

Safety Cybersecurity (née PyUp) is a Python Supply Chain Security company. We help keep thousands of Python developer teams and codebases around the world secure using our industry-leading Python Dependency Vulnerability Database and our security scanning and analysis tools. To learn more, head over to our [website](https://safetycli.com).

### Get started

Dive right in, and [run your first security scan](/safety-2/safety-2.x-basics/running-a-safety-scan.md) using the Safety CLI command-line tool.

Then, check out our Getting Started guide to start implementing security scans into your development and production systems.