Education Technology


Cybersecurity 1: All Clear

Updated on 07/03/2024

Activity Overview

Activity 1 introduces students to “cleartext” messaging. Students will send messages between two micro:bit radios on one of 83 radio channels using plaintext characters, referred to as cleartext. The “student hacker” will attempt to eavesdrop on the conversation by listening in on the same channel.

About the Lesson

For more information on this series of activities and set-up required, check out the Computer Science Resources page.