[Home](./index.md) > [bitburner](./bitburner.md) > [NS](./bitburner.ns.md) > [getServerBaseSecurityLevel](./bitburner.ns.getserverbasesecuritylevel.md) ## NS.getServerBaseSecurityLevel() method Get the base security level of a server. **Signature:** ```typescript getServerBaseSecurityLevel(host: string): number; ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | host | string | Host of target server. | **Returns:** number Base security level of the target server. ## Remarks RAM cost: 0.1 GB Returns the base security level of the target server. For the server's actual security level, use [ns.getServerSecurityLevel](./bitburner.ns.getserversecuritylevel.md).