---
title: Which security levels are there and what are they used for?
description: "### Level 1 (Low) Level 1 includes fields such as first name, last name, telephone, e-mail. ### Level 2 (Medium) Under Level 2 are address and addition to address. Not everyone needs to see the address of persons. ### Level…"
url: "https://staging.churchtools.academy/en/help/permissions-management/security-level/21-which-security-levels-are-there-and-what-are-they-used-for/"
updated: "2025-09-18"
category: Understanding Permissions / Security Level
---

# Which security levels are there and what are they used for?

### Level 1 (Low)

Level 1 includes fields such as first name, last name, telephone, e-mail.

### Level 2 (Medium)

Under Level 2 are address and addition to address. Not everyone needs to see the address of persons.

### Level 3 (High)

Information about a person, i.e. birth name, wedding date, baptism, etc.

### Level 4 (Very high)

Optigem number, as well as the admin fields for groups.  

**Tip**

You can also add your own security levels or change the names of the existing ones.

#### Read more

- [What are security levels?](https://staging.churchtools.academy/en/help/permissions-management/security-level/21-what-are-security-levels/)
- [How to change the default security levels?](https://staging.churchtools.academy/en/help/permissions-management/editing-security-levels/how-to-change-the-default-security-levels/)
- [How to change the security level of a Personfield?](https://staging.churchtools.academy/en/help/permissions-management/editing-security-levels/how-to-change-the-security-level-of-a-personfield/)