# Security Settings

The **Security** section allows you to modify the following settings:

<figure><img src="https://4030289229-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FdE26aPb472s8cuV4JFhy%2Fuploads%2FayMKPD3EmcOyDe3nIAGu%2Fclientsettings_security.png?alt=media&#x26;token=46177c02-9e7b-476d-a3f7-66e1a4116252" alt=""><figcaption></figcaption></figure>

* **PIN & biometrics**. Tap this field to choose whether to protect Parallels Client from unauthorized access with a PIN code and fingerprint.

{% hint style="info" %}
**Note:** If your Android device doesn't support fingerprint authentication, you'll be able to specify only a PIN code.
{% endhint %}

* **Gateway authentication**. Tap this field to choose what to do when the gateway certificate is untrusted.
* **Clear all saved security certificates**. Tap this field to remove all saved security certificates.