Cybersecurity · hands-on lab
Kali Lab 07: Hashing and File Integrity
Use hashing to verify file integrity and detect tampering — the defender side of the same math.
- 30 minutesTime in the lab
- beginnerLevel
- 3 tasksChecked automatically
- CertificateVerifiable link when you finish
The situation
Tool: sha256sum / openssl dgst. Hashing is not only for passwords. Use it to prove a file has not been tampered with, and detect when one has.
What you will do
- Verify a good file
- Detect tampering
- Where is this used in defence?question
How it works
The lab opens in your browser: a real terminal or desktop, nothing to install. Work through the tasks, press Check after each one and the portal verifies your work. Stuck? Ask for a hint. Finish every task and you get a certificate page with its own verification link for LinkedIn or your CV.