[Home](./index.md) > [bitburner](./bitburner.md) > [NS](./bitburner.ns.md) > [getServerMinSecurityLevel](./bitburner.ns.getserverminsecuritylevel.md)
## NS.getServerMinSecurityLevel() method
Returns the minimum security level of the target server.
Signature:
```typescript
getServerMinSecurityLevel(host: string): number;
```
## Parameters
| Parameter | Type | Description |
| --- | --- | --- |
| host | string | Host or IP of target server. |
Returns:
number
Minimum security level of the target server.
## Remarks
RAM cost: 0.1 GB