[Home](./index.md) > [bitburner](./bitburner.md) > [NS](./bitburner.ns.md) > [hackChance](./bitburner.ns.hackchance.md) ## NS.hackChance() method Returns the chance you have of successfully hacking the specified server. This returned value is in decimal form, not percentage. Signature: ```typescript hackChance(host: string): number; ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | host | string | Hostname of the target server. | Returns: number The chance you have of successfully hacking the target server. ## Remarks RAM cost: 1 GB