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Preview

Unit 1 C2: Keeping systems secure and backed up

This is the first page of the lesson. Read it and have a go at the activities. The rest is in the full lesson.

55 minutes

The laptop that went missing

A student leaves a laptop on a bus. It holds a year of coursework and her photos.

Can anyone open it? Is her work saved anywhere else? Two habits would have saved her: a good lock, and a backup.

By the end of this lesson

Note

I can apply basic security measures and plan a backup for a computer or phone.

Key words

WordWhat it means
Networkcomputers joined so they can share data
Encryptionscrambling data so only the right people can read it
Malwaresoftware made to cause harm
Virusmalware that hides in files and spreads
Firewalla filter that blocks unwanted network traffic
Authenticationproving who you are
Phishinga fake message that tricks you into giving details
Backupa spare copy of your data in another place
Hardeningmaking a system harder to attack

The cells students fill in are left blank in this preview.

Starter

Have a go

Starter

3 questions
Have a go: your answers are marked here and then forgotten. Sign in if you would like your score kept, and to pick up where you left off.Sign in to keep your score

Your answers are marked here and are not kept. A college account keeps every student’s marks.

Basic threats

Malware is the name for harmful software. A virus hides in files and spreads when you open them. Other malware steals passwords or locks your files until you pay.

Phishing is a fake email or text. It pretends to be a bank or a friend to get your details.

A firewall checks network traffic and blocks what the rules say it should.

Threat and protection

ThreatWhat it doesProtection
VirusSpreads through filesSecurity software, and updates
PhishingTricks you into giving detailsDo not click, check the sender
Hacking over the networkTries to get in from outsideA firewall, and strong passwords
Stolen deviceA thief opens your dataA lock, and encryption

The cells students fill in are left blank in this preview.

Check

Have a go

Check

3 questions
Have a go: your answers are marked here and then forgotten. Sign in if you would like your score kept, and to pick up where you left off.Sign in to keep your score

Your answers are marked here and are not kept. A college account keeps every student’s marks.

The lesson goes on

7 more parts of this lesson are in the full lesson, which colleges teach from the Library. A college account gives your students all of it.