All lessons › Level 3: Emails & look-alikes

Dangerous attachments

Files like invoice.zip, payment.html or scan.pdf.exe can install a virus or show a fake login page.
Do not open files you did not expect, even if they come from someone you know.
If you are unsure, call the sender and ask.

RememberUnexpected file? Don't open it.

Example from the test

Invoice overdue — pay today

Hello,
Please see the attached invoice and pay today to avoid legal action.
Accounts

Answer: Scam. You bought nothing from them. A .zip "invoice" and a legal threat are classic tricks to install a virus.