Privacy in a Tracked World: teacher key

Staying Safe Online, grade 10 edition, written for 10th grade. Websites track visits, data brokers sell profiles and scammers use what they find. See how tracking works, what privacy laws and policies do, and how to protect accounts after a mistake.

Read the book. Print this page for the key.

Questions and answers

What does browser fingerprinting identify?
- Your password
- A device, by characteristics like screen resolution and installed fonts (answer)
- Your Wi-Fi name
Why do websites ask you about cookies?
- Because browsers require it
- Because cookies are free
- Because of a data privacy law, the European GDPR (answer)
What is a cost of stronger tracking protection?
- Your password gets shorter
- Some websites work less well (answer)
- Your device slows down
What can scammers sometimes get from data brokers?
- Data they use to write more convincing phishing messages (answer)
- Your passkeys
- Your cookies
As of November 2026, how long a password does NIST say websites should accept?
- 8 characters
- Exactly 15
- At least 64 characters, with spaces (answer)
What should you do first if bank or card details were shared with a scammer?
- Post about it
- Get in touch with the bank straight away (answer)
- Wait

Words

fingerprinting: device tracking
GDPR: European privacy law
brokers: data sellers
certificate: site ID