[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	_(Optional)_ Hostname/IP of the target server. Optional. Defaults to current server if not provided.

**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).