# Security Settings

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

<figure><img src="https://content.gitbook.com/content/keUoF7YtiHJNX4ABAGoM/blobs/UzPRxIwlrbfOslgKcK25/clientsettings_security.png" 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.