CYBER.ORG: AP Cybersecurity – Lesson 4.2.1 – Cryptography Basic Concepts

Objective:

  • Students will:
    • Examine cryptography vocabulary terms and methods of encryption.
    • Identify cryptographic algorithms and define how they can be used to help improve security.

Standards:

CompTIA Security+ SYO-701 Objective:

1.4 – Explain the importance of using appropriate cryptographic solutions

    Guiding Question:

    How have various cryptography methods been used from ancient history to modern day to protect vital information?

    Resources:

    • Lesson 4.2.1 – Cryptography Concepts.pptx presentation and Activity 4.2.1 – Breaking Ciphers form available on Google Classroom

    Assignment:

    1. Read the Lesson 4.2.1 – Cryptography Concepts.pptx presentation in today’s class.
    2. Complete the Activity 4.2.1 – Breaking Ciphers Activity using the form posted in the Google Classroom. Solve the Ciphers and hand in the completed form to complete the Lab Activity (50 pts).

    Assigned: April 10th, 2026
    Teacher Pacing Due Date: April 13th, 2026