Common WhatsApp Scams Targeting Seniors: How to Spot Them

October 5, 2026

A message arrives from a number you don't recognize: "Hi Mom, my phone broke, this is my new number." A little later, the so-called daughter asks for money for an emergency. Things like this happen on WhatsApp every day, and they are often aimed at older adults. The good news is that these scams follow patterns you can learn to recognize, and here we explain what they are and what to do.

Why do scammers use WhatsApp to target seniors?

WhatsApp is how many families stay in touch every day. That's why a message there feels familiar and trustworthy. Scammers take advantage of that trust and of the love grandparents feel for their children and grandchildren.

On top of that, everything in a chat moves fast. A scammer can write in a rush, send voice messages and pressure you to act without thinking. Falling for a scam has nothing to do with age or intelligence: these schemes are designed by people who do this for a living.

What is the "Hi Mom, I changed my number" scam?

It's one of the most common. Someone texts from an unknown number claiming to be your son, daughter or grandchild. They explain that they lost or broke their phone and that this is their new number. Sometimes they don't even give a name and wait for you to guess.

After a few loving messages, the request comes: money to pay a bill, a debt or an emergency. There's always a rush, and always an excuse for why they can't talk on the phone. A typical message might be: "Ma, I can't call, my mic isn't working. Can you send me the money today? I'll pay you back tomorrow."

The simplest way to expose the scam is to call your family member at the number you've always had for them. If they answer and they're fine, you know it was a scam.

How do scammers steal your WhatsApp account with a code?

When someone tries to open your WhatsApp on another phone, the app sends you a code by text message. Scammers try to register your number and then message you with an excuse to get you to give them that code. If you share it, they take over your account.

The excuses vary: they say they sent you the code by mistake, that it's for a giveaway, to confirm a doctor's appointment or to receive a package. Sometimes the message comes from a contact you know whose account has already been stolen. For example: "Sorry, I think my code got sent to you by mistake, can you forward it to me?"

Once they have your account, the scammer messages your contacts pretending to be you and asks them for money. That's why the code you get by text should never be shared with anyone, ever.

What other WhatsApp scams should you know about?

• Fake bank employee: someone says there's a problem with your account or card and asks for your PIN, your password or the code you get by text. Your bank never asks for that on WhatsApp.
• Fake prizes and giveaways: they congratulate you on winning something you never bought and ask you to pay for "shipping" or give your personal information to claim it.
• Phishing: this is the name for fake messages that imitate companies or institutions to get you to visit a fake website and enter your information.
• Too-good-to-be-true investments: they offer you a lot of money fast and with no risk. At first they may show fake earnings to get you to put in more.
• Romance scams: a friendly person starts chatting with you, earns your trust over weeks and then asks for money for an urgent problem.
• Fake voice messages: there are now tools that can imitate a person's voice. A voice message that sounds like your grandson isn't always your grandson.
• Fake family member in trouble: they tell you a loved one was in an accident or has been arrested and that you need to pay right away without telling anyone.

How can you tell if a WhatsApp message is a scam?

Even though the tricks change, almost all of them share common warning signs. If you notice one or more of these, stop before you reply.

• Someone messages you from a number you don't have saved and claims to be someone you know.
• They urgently ask for money, transfers or prepaid top-ups.
• They ask for a code, a PIN or a password.
• They make excuses not to talk on a phone or video call.
• They ask you to keep it a secret and not tell anyone in the family.
• They offer prizes, gifts or earnings that seem too good to be true.
• You notice mistakes, odd phrases or a way of writing that doesn't sound like your family member.
• They make you feel scared, guilty or rushed so you don't stop to think.

How can you protect your parents or grandparents from WhatsApp scams?

Talking about it calmly, without scolding, is the best protection. Share examples like the ones in this article and make it clear they can ask you about anything, even if it seems silly.

• Agree on a family code word that only you know, to confirm emergencies.
• Set a simple rule: no one in the family asks for money by message without calling first.
• If a new number shows up claiming to be family, always call the number you've always had for them.
• Turn on two-step verification together in WhatsApp's settings, which adds a personal PIN to the account.
• Remind them that they can block and report suspicious numbers right inside the app.
• Go over the profile privacy settings together so only their contacts can see their photo and information.
• Tell them that hanging up, not replying or taking some time is never rude.

What should you do if you already sent money or shared a code?

If it already happened, take a breath. It's not your fault, and acting quickly helps a lot. These are the steps to take as soon as possible.

• Call your bank using the number on your card or on your bank's official website. Explain what happened and ask them to stop the transaction or block the card if needed.
• Change your passwords, starting with your bank and email passwords. If you gave out a PIN or password, change it right away.
• If you lost your WhatsApp account, register it again with your phone number: doing so locks the scammer out. Then turn on two-step verification.
• Let your contacts know some other way that your account was stolen and that they shouldn't send money if they get requests in your name.
• Save screenshots of the messages and the numbers the scammer used.
• Report it to the police or to the consumer protection office where you live.
• Tell your family. Talking about it helps resolve it faster and keeps others from falling for the same scam.

Remember: whenever a message asks for money or codes, the best response is to stop and call someone you trust. Pausing for a few minutes can save you a lot of trouble.

Educational article adapted with the help of artificial intelligence from its Spanish version, which the Watcher24 team reviewed before publication.