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
| Word | What it means |
|---|---|
| Network | computers joined so they can share data |
| Encryption | scrambling data so only the right people can read it |
| Malware | software made to cause harm |
| Virus | malware that hides in files and spreads |
| Firewall | a filter that blocks unwanted network traffic |
| Authentication | proving who you are |
| Phishing | a fake message that tricks you into giving details |
| Backup | a spare copy of your data in another place |
| Hardening | making a system harder to attack |
The cells students fill in are left blank in this preview.
Starter
Have a go
Starter
3 questionsYour 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
| Threat | What it does | Protection |
|---|---|---|
| Virus | Spreads through files | Security software, and updates |
| Phishing | Tricks you into giving details | Do not click, check the sender |
| Hacking over the network | Tries to get in from outside | A firewall, and strong passwords |
| Stolen device | A thief opens your data | A lock, and encryption |
The cells students fill in are left blank in this preview.
Check
Have a go
Check
3 questionsYour answers are marked here and are not kept. A college account keeps every student’s marks.