[Home](./index.md) > [bitburner](./bitburner.md) > [NS](./bitburner.ns.md) > [getServerSecurityLevel](./bitburner.ns.getserversecuritylevel.md)
## NS.getServerSecurityLevel() method
Returns the security level of the target server. A server’s security level is denoted by a number, typically between 1 and 100 (but it can go above 100).
Signature:
```typescript
getServerSecurityLevel(host: Host): number;
```
## Parameters
| Parameter | Type | Description |
| --- | --- | --- |
| host | [Host](./bitburner.host.md) | Host or IP of target server. |
Returns:
number
Security level of the target server.
## Remarks
0.1 GB