Check the channel, not the vibe

Why we judge the person instead of the route

When a call or message arrives, the natural question is “does this person seem genuine?” We listen for confidence, warmth, the right jargon, our own name. Most of the time that works, because most callers are who they say they are. The researcher Timothy Levine calls this the truth-default: we tend to believe others, and usually that is the right bet.

The trouble is how weak the instrument is. A review of 206 studies covering 24,483 people found that, judging in real time without special aids, people sorted lies from truths correctly 54% of the time. They caught 47% of lies. A feeling that is right a little more often than a coin toss is a poor gatekeeper for your savings.

What a good vibe shows, and what it does not

The channel answers different questions, and better ones. Who started this contact? Did the number come from your card, your bill or the official app, or from the message itself? Can you reach this person again through a route they do not control?

The call-back rule

Official advice in both countries comes down to one move. The FTC says not to trust caller ID, because it can be faked, and to hang up and call the agency directly at a number you know is correct. For calls that sound like a relative in trouble, it says: don't trust the voice, and call the person back on a number you know is theirs. The FBI gives the same advice and suggests a family code word.

In India, the RBI has told banks and other regulated entities to make service calls only from a dedicated 1600 number series once it is running, and promotional calls only from a 140 series. That turns the route itself into something you can check. Even so, the strongest channel is the one you start: the number on the back of your card, the official app, a website you typed yourself.

A real bank loses nothing when you call back. Pressure to stay on the line is about the channel, not about your money.

Why vibes are what scammers optimise

A fraud operation cannot control the number you look up and dial yourself. What it can change, endlessly, is how it sounds: scripts, accents, background noise, the right reference numbers. The FBI warns that generative AI lets criminals work at a larger scale and correct the human errors that might otherwise give them away.

The scale is large. Impostor scams were the most reported fraud to the FTC for the ninth year running in 2025, with more than a million reports and $3.5 billion in reported losses. In almost every case the performance is the product, so judging the performance plays to their strength.

What works instead

• Ask who started this. If they contacted you, treat everything they say as unverified until you have reached them yourself.
• Find the channel on your own: the card, the bill, the official app, a website you type. Never use a number or link supplied in the message.
• Be careful even when you started it. Fake helpline numbers sit in search results; see fake customer care numbers.
• For people rather than institutions, rely on something they cannot fake in the moment: a contact you already had, a code word, or a verified profile you can look up yourself.

None of this asks you to become suspicious of everyone. It asks you to stop grading performances and start checking routes, which is easier, calmer and much harder to fool.

If it already happened

1. If you shared an OTP, PIN or password, call your bank on the number from your card or its official app and ask them to block the account or card.
2. Change the password of any account you logged into during the call.

Questions