# Security Plus

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This product expansion requires a *Security Plus* license. Contact your Nexthink representative for more information.
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Security Plus is a purchasable additional package of advanced security functionalities that allows customers to meet strict security regulations and demanding security requirements.

The Security Plus package includes:

* The [Bring Your Own Key (BYOK) encryption](https://docs.nexthink.com/platform/security/security-plus/bring-your-own-key-byok-encryption) model that allows you to manage your unique encryption key if required.
* A small set of [Static IP addresses](https://docs.nexthink.com/platform/security/security-plus/static-ip-addresses) to target the Nexthink environment.

After you receive the Security plus package, reach out to the [Nexthink support](https://support.nexthink.com/) team to enable the BYOK, Static IP feature or both.