---
id: 587d8247367417b2b2512c37
title: Hide Potentially Dangerous Information Using helmet.hidePoweredBy()
challengeType: 2
videoUrl: ''
localeTitle: ''
---
## Description
undefined
## Instructions
undefined
## Tests
```yml
tests:
- text: ''
testString: 'getUserInput => $.get(getUserInput("url") + "/_api/app-info").then(data => { assert.include(data.appStack, "hidePoweredBy"); assert.notEqual(data.headers["x-powered-by"], "Express")}, xhr => { throw new Error(xhr.responseText); })'
```
## Challenge Seed
## Solution
```js
// solution required
```