# Security

## Contents

{% content-ref url="security/authorization" %}
[authorization](https://greymatter.gitbook.io/grey-matter-documentation/1.3/usage/security/authorization)
{% endcontent-ref %}

{% content-ref url="security/spire" %}
[spire](https://greymatter.gitbook.io/grey-matter-documentation/1.3/usage/security/spire)
{% endcontent-ref %}

{% content-ref url="security/tls" %}
[tls](https://greymatter.gitbook.io/grey-matter-documentation/1.3/usage/security/tls)
{% endcontent-ref %}

{% content-ref url="security/opa" %}
[opa](https://greymatter.gitbook.io/grey-matter-documentation/1.3/usage/security/opa)
{% endcontent-ref %}