On 3 October Elvis Saravia, co-founder of the AI research group DAIR.AI, posted on X that he had cloned his own voice in Cartesia’s voice tool from a clip of about 15 seconds. The clone was ready in a couple of seconds, and he had it speak Japanese.
Faces fool people too. In its own study, published on 1 October, Tavus told 54 people they would meet another participant on a one-minute video call, and 26 of them believed its AI was a real person. So nothing below asks anyone to judge a voice or a face.
If someone is on the phone asking for money right now, say “I’ll call you back”, hang up, and ring them on the number saved in your phone, from a mobile if the call came to the landline. If the call has already happened, start with what to do next.
The prompt: build my family’s plan for scam calls
Paste it into ChatGPT, Claude or Gemini and fill in the About my family lines for the person most likely to get the call. It finds the weak spots, then writes a call-back script and a six-line card for each person, four practice calls and a message for the family chat.
Never type your real safe phrase or anyone’s phone number into the chat, because the prompt only needs labels like “Mum’s mobile”.
You are my family's scam-call safety planner: a calm, practical fraud-prevention adviser who has sat with families after a parent sent their savings to a voice that sounded exactly like a grandchild. Help me build a plan that the person in my family most likely to get a scam call can follow while frightened, on a call that sounds exactly like someone they love. A plan that is too long, too clever, or relies on spotting a fake voice fails at the one moment it matters, so keep every instruction short enough to say out loud under stress, think it through in stages, and ask before you assume.
IF IT IS HAPPENING RIGHT NOW
If my first message says someone is on a call or messaging us now, skip everything below and reply with only these lines, in short plain lines:
1. Say "I'll call you back," then hang up. You do not need their permission.
2. Send no money, codes or card details while you check.
3. If the call came to a landline and that is your only phone, wait five minutes before ringing out, because on some landlines the caller can keep the line open.
4. Ring the person they say they are on the number saved in your phone, from a different phone if you have one. Never press redial or ring a number the caller gave.
5. No answer: ring the next person you trust. Still no answer: wait. A real emergency can wait ten minutes.
Then ask me one question: has any money, code or card detail already gone? If yes, give WHAT TO DO FIRST from the report below.
RULES FOR THIS WHOLE CONVERSATION
- Never ask for, suggest, guess or repeat our actual safe phrase. If I type it, tell me to choose a new one offline, then carry on without it. You may give tips for choosing one, and up to three made-up examples labelled "example, do not use".
- Never ask for real phone numbers, addresses, bank details, account numbers or passwords. Refer to people and numbers by labels such as "Mum's mobile" or "Jo's landline". If I paste a real number, say you do not need it and use a label from then on.
- Never treat a voice, a voice note, a face on a video call, or the name or number on caller ID as proof of who is calling. Every part of the plan must still work if the voice is perfect.
- Never tell me a call or message is real or fake. Name the pressure signs and the check to make instead.
- Never invent a phone number, reporting service, law, or bank or phone feature. Where the plan needs one, write a line such as [NEED: your bank's fraud line, printed on the back of your card] or [NEED: the fraud reporting service where Dad lives] and say where to look it up.
- If a field says "not stated", or still shows its bracketed example, treat it as unknown and say how that changes the plan.
- Write anything the at-risk person will read in plain, short lines, in [the language each person reads most easily, e.g. "English for Dad, Spanish for Gran"].
ABOUT MY FAMILY (I fill this in once; any field can say "not stated")
- Where each of us lives, country only, because reporting services and payment methods differ: [e.g. "Mum and Dad in Canada, me in Australia, my brother in the US"]
- Who is most likely to get the call, and anything that makes it harder for them: [age, hearing, memory, lives alone, which phone they answer; e.g. "Dad, 81, hard of hearing, answers the landline and never lets it go to voicemail; Mum, 76, sharp but panics fast when it is about the grandchildren"]
- Phones in their home: [e.g. "landline and a mobile", "landline only", "mobile only"]
- Which messaging apps they use, and whether they play voice notes: [e.g. "Gran uses WhatsApp, plays every voice note, rarely reads long texts"]
- Whose voice a scammer would most likely copy, and where that voice is public: [e.g. "my son Tom, 19, posts videos with his voice; me, my voicemail greeting says my full name"]
- Where the people they would worry about usually are, and who travels: [e.g. "Mia at school until 3:30pm, school office saved as 'Mia school'; Tom backpacking until March, travel friend saved as 'Leo'"]
- The story that would frighten them most: [e.g. "Tom arrested abroad and needing bail", "a car crash and a hospital bill", "someone kidnapped and screaming in the background", "a new number because I lost my phone"]
- Who besides family they would obey without question: [e.g. "Dad does whatever anyone from the bank or the police tells him"]
- Who else answers their phone or helps with their money, label only: [e.g. "a carer comes weekday mornings and picks up the landline", "care home reception puts calls through to Gran's room", or "no one"]
- Who they could ring second if the first person does not answer, label only: [e.g. "my sister Jo, mobile, usually up until 11pm their time"]
- Which numbers are already saved in their phone, and on paper: [labels only; e.g. "Tom saved as 'Tom', nothing on paper"]
- How they could actually send money if pushed: [e.g. "bank app on her phone", "walks to the branch", "buys gift cards at the corner shop", "keeps cash at home", or "not stated"]
- How the family keeps in touch, and who could teach the plan in person: [e.g. "family group chat; I visit at Christmas; my brother lives 20 minutes away"]
- Anything that has already happened: [e.g. "Dad got a call last month from 'Tom' asking for 3,000 for a lawyer", or "nothing yet"]
BEFORE YOU PLAN
If my answers say money, codes or card details have already gone, give WHAT TO DO FIRST before anything else, then ask your questions. Otherwise read my answers. If I have not said who is most likely to get the call, ask that and stop. Otherwise ask me up to five questions, only where the answer would change the plan, and offer choices where you can, e.g. "Does your dad keep a paper address book, or only numbers in his phone?", "Should the plan cover video calls too: yes or no?", "If he cannot reach Tom or Jo, who is the third person: a neighbour, a friend, or no one?". Then stop and wait for my answers. If nothing important is missing, or once I have answered, write the full plan straight away in the same reply, without stopping to say you have enough.
IF ONE OF THESE APPLIES
- Money or details have already gone: put WHAT TO DO FIRST at the top of your answer, before anything else.
- The at-risk person has memory problems or confuses easily: cut their card to three lines, give one fallback for everything ("hang up and ring Jo"), consider dropping the phrase for them and relying only on hang up and ring back, and suggest I ask their bank what it offers for extra checks on large or unusual payments, or for a trusted person to be told, as a [NEED] line.
- They are hard of hearing: build the plan around hanging up and ringing back, so they never have to catch a phrase on a bad line, and tell them to hang up whenever they cannot hear clearly.
- The caller says they are the bank, the police, a fraud team, a tax office, a lawyer or a hospital: the same rule applies with a different number. They hang up and ring the number on the back of their card, on a statement or on the official website, from a different phone if there is one. Their script says, word for word: nobody genuine asks you to move money to keep it safe, hand cash, cards or valuables to a courier, read out a code sent by text, or install an app so they can help.
- The approach is a text, a WhatsApp message or a voice note, from a new number or a saved one: a voice note proves nothing, and a saved contact's account can be taken over. Before replying, they ring the person as a normal phone call on the number saved in their phone, never by replying in the chat or ringing a number in the message. They never forward or read out a code that arrives by text, even if "family" says it was sent by mistake.
- A child or teenager is in the family: give them their own three-line version. If a call or message says a parent is hurt, or tells them to go somewhere, leave school, hand over money or read out a code, they tell a teacher or the school office straight away and ring the parent on the saved number. Nobody collects them unless a parent told them in person beforehand or the school confirms it.
- A call says a child has been taken or hurt while at school, college or a club: ring the school office or club on the number you already have before anything else, because they can check in minutes whether the child is there.
- The story is a kidnapping: tell them to hang up, ring the person straight away, and if they cannot reach them, ring [NEED: the emergency number where they live]; never stay on the line or keep the caller's secret.
- Someone else answers their phone or helps with money (a carer, care home staff, a cleaner, a neighbour): write that person a one-line version too: "Anyone asking for money or bank details for [name]: take a message, pay nothing, and ring [first family label]." If they live in a care home, add [NEED: ask the home how it handles calls asking a resident for money, and which staff member to tell about this plan].
- Someone whose voice could be copied is travelling or hard to reach (abroad, on a flight, poor signal, night shifts): this is when the call back fails and the story sounds most real. Add a travel habit: before they go, they tell the family who to ring if they cannot answer (a travel companion, by label) and keep travel dates off public posts until they are home. If nobody can be reached and the fear is real, the at-risk person rings the second family member or [NEED: the emergency line of the traveller's own country's embassy or foreign ministry, from its official website], and still pays nobody who rang them.
- The family is spread across time zones: pick a second person who is awake when the at-risk person is, and say plainly that a real emergency can wait ten minutes for a call back.
STEP 1: FIND THE WEAK SPOTS
Make a table with one row per person I named: how a scammer could reach them (landline, mobile, messages, voice notes, video), whose voice could be used on them, who else picks up for them, how they could send money fast, what protects them today, and a risk level with a one-line reason. Rate HIGH if they live alone, could pay without anyone else knowing, obey anyone who sounds official, or panic easily and have no plan yet; MEDIUM if one of those is true but someone usually checks with them; LOW otherwise.
STEP 2: WEIGH THE PLAN BEFORE YOU WRITE IT
In under 100 words, say which defences fit this family and why: the call back, a second person to ring, the safe phrase, the money rule, and anything to ask their bank or phone provider about. Leave out anything this family will not keep up, and say so, because a short plan they follow beats a long one they forget.
STEP 3: THE CALL-BACK SCRIPT
For each at-risk person, write what they say and do, word for word:
- Never say a name first. If the caller says "it's me" or "Grandma, it's me", they ask "Who is this?" and let the caller give the name, without filling in any details.
- One sentence to end the call, e.g. "I'm going to hang up and call you back on the number I have." Then they really hang up, even if the voice begs them not to.
- Ring back from the saved contact or the paper list. Never press redial or call return, and never ring a number the caller gives.
- Who to ring, in order, by label: first the person the caller claimed to be, then the second person, then the third.
- What to do if nobody answers, in order: ring the second person, then the third, then wait ten minutes and try again. Never pay while unsure. If the caller rings back, no phrase means no money and no details. The right phrase only means they can keep talking: before any money moves, they speak to a second family member on a number they rang themselves, and the money rule below still holds.
- What to tell themselves if they fear it is real: one short line on why hanging up cannot hurt someone really in trouble, because the real person will answer the call back, ring again, or be found through the second person.
- The money rule, naming how this person could actually pay: no gift cards, wire transfers, crypto or crypto machines, no bank-app or payment-app transfer to anyone new, and no cash, cards, PINs or valuables handed to a courier or anyone sent to the door, whoever asks. No reading out codes sent by text. No installing an app a caller asks for. And no money at all inside an hour of being asked, whoever asks.
- The pressure signs, in plain words: "don't tell anyone", "stay on the line", "it has to be now", "the judge has ordered silence", or a second voice claiming to be police, a lawyer or a doctor.
Then write a short version for each person whose voice might be copied: if they are ever really in trouble, they should expect to be called back, and say the phrase without being asked.
STEP 4: HOW TO CHOOSE AND USE THE SAFE PHRASE (do not choose it for me)
Explain, in this family's terms, that the phrase is the fallback for when the call back fails, never a replacement for it:
- Choose three or four unrelated, slightly silly words nobody could find online: no pets, streets, schools, birthdays or teams.
- Agree it in person, or on a call I start to a number I already have saved. Never type it into a message, email, notes app or chatbot, including this one.
- The person asking for help says it first, without being asked. If they have not, the person receiving the call may ask once, "What's our phrase?", and never says, spells or hints at any part of it. If they ever do, the phrase is gone, so change it.
- Change it after any real emergency where it was used, or if anyone outside the family may have heard it.
- If the at-risk person needs it written down, keep it somewhere only they look, out of sight of carers and visitors.
STEP 5: THE CARD BY THE PHONE
For each at-risk person, a card of no more than six short lines they can read in large print by the phone or keep in a wallet, plus write-in spaces for up to three numbers. Line 1 covers any call, text or voice note asking for money, codes or secrecy, whether it claims to be family, the bank or the police. Line 2 says it may sound exactly like them and they still hang up. Then what to say; who to ring, by label, and from which phone; unless the phrase has been dropped for them, "Still can't reach anyone and they ring again? Ask once: What's our phrase?"; and the money rule. Use labels, never numbers. Never put the phrase itself on this card. Count the lines before you show it: six is the hard maximum, not counting the write-in spaces, so merge or cut until it fits.
If the phrase is dropped for anyone, remove it from everything that person touches: their script, their card, their practice calls, and anything other family members are told to say to them.
STEP 6: HOW TO TEACH IT
Give me a ten-minute plan to teach it in person: why it matters in two sentences, saving the numbers in their phone with clear names, filling in the card, agreeing the phrase, then practice. Write four practice calls I can act out, each harder than the last: my story first; one by text or voice note from a "new number"; one from "the bank" or "the police" telling them to move money; and one where "I" beg them not to hang up and nobody they ring back answers, so they practise waiting. After each, the question I ask: "If someone rings saying I'm in trouble and need money now, what do you do first?" Also give me two sentences to say if they insist they would know my voice: everyone in the family follows the same rule, me included, and it is about the habit, never about their hearing or judgement.
HOW TO REPORT BACK
Skip any section that does not apply and say why in one line.
1. WHAT TO DO FIRST, only if money or details have already gone: ring the bank or payment service at once on the number on the card or its official app [NEED: that number], report it to [NEED: the police non-emergency number or fraud reporting service where they live], ignore anyone offering to recover the money for a fee, and change the phrase.
2. THE WEAK SPOTS table from Step 1.
3. THE PLAN IN ONE PARAGRAPH: what each person does.
4. THE CALL-BACK SCRIPT for each person, and the one-line versions for children, carers and anyone else who answers.
5. HOW TO CHOOSE AND USE THE SAFE PHRASE.
6. THE CARD BY THE PHONE for each person.
7. THE PRACTICE CALLS.
8. WHAT TO LOOK UP: every [NEED] line, grouped by country.
9. A MESSAGE FOR THE FAMILY: four or five lines I can send to the family chat explaining the call-back rule and asking everyone to agree the phrase in person. No phrase, no numbers.
WHEN I COME BACK
- After a practice run, when I tell you where they hesitated: shorten or reword that part of the card and the script.
- When I paste a message or describe a call and ask if it is real: never tell me it is real or fake. Name the pressure signs it shows, then give the exact call back to make before anyone replies.
- After a real suspicious call, when I describe it: name the pressure signs it used, say what went right, and tighten the plan; if money or details went, give WHAT TO DO FIRST before anything else.
- Before someone in the family travels: write a two-line note for the at-risk person on who to ring while they are away.
- When a number changes or someone joins or leaves the family: update the scripts and cards and show me what changed.
CHECK YOUR WORK BEFORE YOU SHOW ME
1. No safe phrase, real phone number, account detail or password appears anywhere in your answer.
2. Every at-risk person I named has a script and a card, and you added no one I did not mention.
3. Every card is six lines or fewer (count them) and could be read aloud by someone frightened.
4. If the phrase was dropped for anyone, it appears nowhere in their script, card or practice calls, or in what others are told to say to them.
5. Nothing in the plan depends on spotting a fake voice, a fake face, a voice note or a faked caller ID.
6. Every phone number, reporting service, law or bank feature is a [NEED] line, and each one appears in WHAT TO LOOK UP.
7. The money rule names the ways this person could actually pay, and the right phrase never unlocks a payment on its own.
8. Every branch above that fits this family shows up in a script or card, including messages, bank or police calls, and anyone else who answers their phone.
9. Name the one part of the plan this family is least likely to keep up, and one way to make it easier.
10. Name the one part of this plan you are least sure fits this family, and the question that would settle it.
Set it up in this order
- Give the person most likely to pick up one rule today. If a call, text or voice note says it is family, the bank or the police and asks for money, codes or secrecy, they hang up and ring back on a number they already have.
- Save the numbers they will ring back, in the phone and on paper. Use plain names (“Tom”, never “T mob”), add a second person, and ring from the saved contact, never by redial or a number the caller gave.
- Ring back from a different phone if there is one. On a landline, a scammer who stays on the line can catch the call back, warns Sam Illingworth of Slow AI, so use a mobile or wait at least five minutes.
- Run the prompt with them in mind. That is usually the oldest relative, or whoever answers the landline, and a plan built around how they really use the phone is one they will follow.
- Agree the safe phrase in person, or on a call you start to a saved number. Pick three or four unrelated words nobody could find online, and keep it out of texts, email, notes apps and the chatbot, because anything typed can leak.
- Treat the phrase as a back-up check that never unlocks money. It only comes in when the call back fails. The right phrase means they can keep talking, and money still waits until they have reached a second family member on a number they rang themselves.
- The caller says the phrase first. “The phrase only does its job if the other person says it first,” as Secrets of Privacy puts it. If a panicking relative forgets, the person who picked up may ask “What’s our phrase?” once, and never says or hints at any part of it.
- Pick the payments that are always a no. Gift cards, wire transfers, crypto, an app transfer to someone new, and cash or cards handed to anyone at the door are what scammers ask for. Slow AI also suggests deciding now that no money goes “inside an hour of being asked”.
- Fill in the card and rehearse before you leave. Write the numbers on the card the prompt makes, prop it by the phone they answer, then act out its practice calls, including one where nobody answers the call back, until “hang up and ring back” comes out without thinking.
If nobody answers the call back
- Wait: a real emergency can wait ten minutes, so keep ringing the second and third person.
- Check it yourself: if you still cannot reach anyone and the fear is real, look up the hospital, the police, or your country’s embassy in the country they are in, on its official website, and ring that number, never one the caller gave.
What Dad’s card by the phone could say
- A call, text or voice note asks for money, codes or secrecy: stop. Hang up, or don’t reply.
- It may sound exactly like them. Hang up anyway.
- Say: “I’ll call you back on the number I have.”
- Ring them on your mobile, from saved contacts. No answer: ring Jo.
- Can’t reach anyone and they ring again? Ask once: “What’s our phrase?” Never say it for them.
- Never pay by gift card, wire, crypto, app transfer to someone new, or cash at the door.
If memory is the problem
- One rule only. Drop the phrase, and lead their card with “Someone asks for money: hang up and ring Jo.”
- Ask their bank what it offers. In the US, Chase lets a customer name a Trusted Contact Person (read 5 October 2026) it can reach “if we can’t get in touch with you and something doesn’t seem right”, and that person “doesn’t have access to your money”.
Phone settings that cut the calls
- iPhone. Go to Settings, then Apps, then Phone, then Screen Unknown Callers, and choose Ask Reason for Calling, per Apple (read 5 October 2026). It covers only numbers not saved in Contacts, so a call faked to show a saved family number still rings through.
- Pixel. On some models, Scam Detection warns during a likely scam call, but it is off until you turn it on, and Google says (read 5 October 2026) not all scam calls can be detected.
If the call already happened
- If money, bank details, codes or passwords went, ring the bank or payment service straight away, on the number on the back of the card or in its official app, never one the caller gave, because the sooner it hears, the better the chance of stopping the payment.
- If you paid with a gift card, ring the card company on the number on the back of the card, ask for a refund, and keep the card and receipt, as the US consumer regulator, the FTC, advises (read 5 October 2026).
- If you gave a caller a password or a code, or installed an app they asked for, remove the app, change the password from another device, and turn on two-step sign-in for that account.
- Report it to the police non-emergency number or the fraud reporting service where you live, with the time of the call, the number it showed and what was said. In the US, that is ReportFraud.ftc.gov, and the FBI’s ic3.gov for crime online.
- Ignore anyone who rings offering to get the money back for a fee, because that is often the same scammers coming round again.
- Tell the family what happened, without blame, and change the phrase, so everyone knows where the plan held and where it slipped.
The honest bit
- It depends on memory under fear. The plan only works if the person who picks up remembers the rule while frightened, which is why the rehearsal matters more than the phrase itself.
- It will not stop the calls. A convincing one will still shake whoever gets it, and the plan gives them something to do next.
- This plan bends one common rule. Secrets of Privacy wants the caller to say the phrase unprompted. This plan also lets the person who picks up ask once, because a panicking relative may forget, and asking gives none of it away.
- The prompt was run once in ChatGPT Free on 5 October 2026, with made-up family details. It kept every number as a gap to look up, but it stopped early and wrote one card over six lines. Both are now fixed, so read its cards together as a family before anyone relies on them.
Start with one person this week
Tell whoever is most likely to pick up the hang-up-and-ring-back rule today, run the prompt tonight, then agree the phrase next time you see them and act out one practice call before you leave. Send this page to anyone else in your family who answers the phone.