Terms

ZeroBox is a free tool for practice and learning. These terms are short and plain.

Last updated 2026-10-12.

No warranty

ZeroBox is provided as is, without warranty of any kind. The author is not liable for any loss or damage from using it. This follows the disclaimer in the license.

License

The source code is under the ZeroBox Source-Available Non-Commercial and Educational License (ZNSL 1.0). You can read, study and run it for personal, educational and non-commercial use. It is not an OSI-approved open-source license, so read the license for what is and is not allowed.

Authorized use only

ZeroBox is for practice and learning. Use it on labs, CTF platforms and systems you own or have permission to test. You are responsible for following the rules of the platforms you use and the laws that apply to you.

No affiliation

ZeroBox is an independent project. It is not affiliated with, endorsed by or sponsored by Hack The Box, TryHackMe, OffSec, TCM Security, INE or Anthropic. All trademarks and product names belong to their owners and are used only to describe what ZeroBox works with.

Your data

You are responsible for what you store in ZeroBox and what you export from it, including credentials, flags and scan output from the systems you test. Follow the rules of the platform or exam you are using about what you may record or share. See the privacy page for where your data lives.

Changes

These terms may change. The date at the top shows the last update.