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Scams and data theft

Spoofed sender

A message, call or profile poses as a bank, authority, company or someone close to you. Names, numbers and logos can all be faked.

The name on the display, the sender’s address and the profile photo can all be faked – faking a phone number is called spoofing. So you can’t tell who is really calling or writing just from what you see on the screen.

Example · made up for illustration
Your bank’s number shows on the display: “Good afternoon, this is the security department. We’ve noticed a suspicious payment. You can see it’s our number on your screen.”

How to spot it

  • An unexpected contact “from the bank”, “from the police”, from a courier, or from a loved one on a new number.
  • A vague signature (“your courier”, “security department”) or a sender address that doesn’t match the official website.
  • Reassurance that you can “see” the number or name – that proves nothing.
  • The contact leads to money, personal details or installing an app.

How to check and what to do

  • Hang up and call a number you know yourself – your bank on the number on the back of your card, a loved one on their saved contact.
  • In an email, read the sender’s full address, not just the display name.
  • For a social media account, look for a link to it on the official website of the company or organisation.
  • If a loved one writes “from a new number”, ask for your family code word or something only they would know.

Tip: What matters is who calls whom: when you dial a number you know, you know who you’re talking to.

The card fits on one A4 page – for the classroom, a noticeboard, or parents and grandparents.

Practise it

Lessons and articles where you hunt for this trick with the red pencil.

More tricks from the chapter Scams and data theft.

All tricks in the atlas →

Spoofed sender: how to spot and check it | ThinkCritical.eu