Resources for the global digital safety training community.
Hashes in Everyday Life
Credits Jon Camfield, Robert J. Hansen (Reviewer) Last Updated 2026-08
Hashes help provide proof of integrity and knowledge across everything from credit card numbers to safe downloads to threat hunting to email signatures to community solidarity. This module walks through common uses and easy-to-use tools.
Learning Goals
- Baseline understanding of how hashes work
- Hands-on experience calculating and verifying hashes
- Information on the current attacks against hashes and current best practices.
- A working understanding of the role of hashes in digital security
- An understanding of additional use cases of hashes in limited information sharing
- Simple Hashes in Everyday Life
Activity and Discussion
- Hands on with Hashing
Deepening
- Other Uses for Hashes
Synthesis