---
title: "Phish Sim Open Rate"
---

> Documentation Index
> Fetch the complete documentation index at: https://docs.praxisnavigator.io/llms.txt
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# Phish Sim Open Rate

## How we describe it

Proportion of phishing test emails this user opened — a key measure of phishing resilience.

## Where this comes from

This signal is derived from Microsoft Graph: `message.internetMessageHeaders, message.isRead, GET /me/messages`.

[Microsoft Graph documentation](https://learn.microsoft.com/en-us/graph/api/resources/internetmessageheader)

Source: https://docs.praxisnavigator.io/analytics/glossary/phish-sim-open-rate/index.mdx