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Pressure and emotion

Blocking verification

“Don't call”, “stay on the line”, “our phones are down” – the aim is to stop you checking another way.

A scammer knows that one call to the right number would give them away. So they talk you out of checking: a bad signal, a meeting, phones that are supposedly down, or you must stay on the line.

Example · made up for illustration
Message from an unknown number: “Hi Mum, this is my new number. I need to pay a bill today. Please don’t call right now, the signal is terrible.”

How to spot it

  • Being asked not to call, not to write elsewhere, or to “communicate by email only”.
  • Being told to stay on the line the whole time – even on the way to the bank or a cash machine.
  • An explanation of why the usual contact doesn’t work: a new phone, a move, a fault, a meeting.

How to check and what to do

  • Check in exactly the way they are talking you out of: call a number you already know.
  • Feel free to hang up. A real bank and a real person will get back to you.
  • Never take contact details from a message that wants something from you – find them on your card, your contract or in your phone.

Tip: If someone is stopping you from checking, that alone is a good reason to check.

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 Pressure and emotion.

All tricks in the atlas →

Blocking verification: how to spot and check it | ThinkCritical.eu