Encryption

• Computing
• Lower Secondary (Key Stage 3)

Security/Encryption

Encryption

Recap

We will use a 3,2,1 Focus Faces teacher command, to ensure we are all focused on the learning at the front of the classroom.

We also DO NOT close LessonUP but we split our windows so we can see our tasks while we work independently.

By the end of this lesson, you will know​ what physical security and encryption is and where it came from

LO -By the end of this lesson, you will know​ what encryption is and where it came from

What is physical security?

Actual physical barriers such as locks, fences and cameras.

LO -By the end of this lesson, you will know​ what encryption is and where it came from

Types of security

• Key locks
• Card locks
• Cameras
• 2FA
• Biometrics
• Encryption

LO -By the end of this lesson, you will know​ what encryption is and where it came from

What is biometrics?

Human security features such as facial scans or fingerprint scans and voice recognition.

Have you ever used biometrics?

1. yes
2. no

What do you think is more secure passwords or biometrics and why?

What is an advantage and disadvantage of physical locks and passwords?

LO -By the end of this lesson, you will know​ what encryption is and where it came from

What is encryption?

Encryption means data that is scrambled. The only way to unscramble this data is with a decryption key.​

​

This secures data when being transferred over the internet or network. It also limits the effectiveness of interception attacks.

What shift did Caesar use with his
generals?​

Why did Caesar create the code?​

LO -By the end of this lesson, you will know​ what encryption is and where it came from

You do - Independent task

You are going to complete a Caesar Cypher worksheet. You will use a website to help you.

Remember we can split our windows by dragging the window off the left and right of our screen.

computerscienced.co.uk

LO -By the end of this lesson, you will know​ what encryption is and where it came from