Add best practice page #7540

New Feature / Enhancement Checklist

• I am not disclosing a vulnerability.
• I am not just asking a question.
• I have searched through existing issues.

Current Limitation

Although the topic pops up frequently, there is no security and common design best practice document.

Feature / Enhancement Description

Add such a page.

Example Use Case

n/a

Alternatives / Workarounds

n/a

3rd Party References

n/a