> ## Documentation Index
> Fetch the complete documentation index at: https://developer.upsun.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Security and compliance

> Learn how Upsun ensures your data is handled with appropriate care and according to industry standards.


> [card] [Fastly WAF](https://developer.upsun.com/docs/security/fastly-waf.md)
>
> Subscribe to the Fastly Next-Gen Web Application Firewall.

> [card] [Upsun WAF](https://developer.upsun.com/docs/security/waf.md)
>
> Learn how the WAF protects your site from DDoS attacks.

> [card] [Data retention](https://developer.upsun.com/docs/security/data-retention.md)
>
> Understand how Upsun Cloud retains and manages your data.

> [card] [Project isolation](https://developer.upsun.com/docs/security/project-isolation.md)
>
> Learn how project isolation is handled on Upsun Cloud.


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