> For the complete documentation index, see [llms.txt](https://docs.link11.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.link11.com/using-link11/security-and-data-protection/introduction-and-documents.md).

# Introduction and Documents

This section discusses security and data protection in the Link11 system. These articles do not relate to specific capabilities or configuration of the products, but are a general explanation of security measures within Link11 itself.

Below are the most important security and data protection documents for the system.

## Security Certificates <a href="#securityanddataprotection-securitycertificates" id="securityanddataprotection-securitycertificates"></a>

ISO 27001 Certificate, English:

{% file src="/files/9BXFKwa8gK7j5Aocxk1j" %}

ISO 27001 Certificate, German:&#x20;

{% file src="/files/FPRLHiRdJNC6Ti0bdEVA" %}

## GDPR Templates <a href="#securityanddataprotection-gdprtemplates" id="securityanddataprotection-gdprtemplates"></a>

AVV / DPA Template, English:

{% file src="/files/gtFuni9QaBU0nmDz8TyQ" %}

AVV / DPA Template, German:

{% file src="/files/cj6PzhbBgtqiIiWMGH1A" %}

TOM, English:

{% file src="/files/E5sQl1mYOuxzuN5YSzcY" %}

TOM, German:

{% file src="/files/CNwmMtnwgpMjn4tfajwA" %}