Winnipeg man caught in scam after AI told him fake Facebook customer support number was legitimate
'You absolutely should not trust AI. It is a very powerful tool that makes mistakes': computer science prof
A Winnipeg man who says he was scammed out of hundreds of dollars when he called what he thought was a Facebook customer support hotlinewants to warn others about what can go wrong.
"I just felt like I needed to say more because other people are going to fall for this. It was such a good scam," Dave Gaudreau told CBC.
Gaudreau says the scammerhe called was able to access his Facebook account.
What he didn't know at the time isthere is no phone numberfor Facebook customer support.
The problem started after Gaudreau, a former Manitoba NDP member of the legislature, got a new cellphone in April and needed to transfer his apps, including Facebook, to his new phone.
But when he hit a problemmoving his Facebook account over to the new phone, his wife did an online search and found what appeared to be aphone number for Facebook customer support.
Before phoning the number, Gaudreau did a search in Facebook Messenger to find out whether it waslegitimate.
The answer he got in Messenger from the "Meta AI" artificial intelligence search tool was that the phone number he found,1-844-457-0520, was "indeed a legitimate Facebook support number."
"According to Meta, right on the Facebook app, it's telling me that this is right. So I had no reason to think it wasn't," Gaudreau said.
When Gaudreau phoned the number, he was asked for his Facebook username, the email address linked to his account, and his phone number, which he gave to the woman on the other end of the line.
She then opened his Facebook account.
That's when the call took a turn, said Gaudreau.
"She was trying to tell me that we were being hacked, that our IP address was hackedand that they were watching every keystroke," he recalled.
The woman said she would clear the hackers out, but he had togive her access to hisphone through an app shehad him download.
But during the phone call, he says someone also accessed his PayPalaccount and used it to buy a$500 Apple gift card, on a monthly renewal.
The person on the call also tried to buy bitcoin, Gaudreausaid, but thankfully his bank refused that attempted purchase.
His wife caught on first.
"She said, 'Hang up on them. This is a scam,'"Gaudreausaid, adding he still thoughtthere was someone from Meta on the phone, because they were able to open his Facebook account.
"But I did hang up on them. And then we proceeded to call our bank and the internet provider and everybody else," he said.
WATCH| How Gaudreau got caught in the scam:
Gaudreau cancelled credit cards and locked his bank accounts. He filedfraud complaints with PayPal and Visa, a police report, and alerts with the credit bureaus Equifax and TransUnion.
He also filed a complaint with the Canadian Anti-Fraud Centre.
Hewas pleased when PayPal agreed to reverse the $500 charge against his account.
"PayPal was amazing," Gaudreau said. "The next day they contacted me and said, 'OK, we're on it.'"
CBC calls 'customer service' line
A CBC reporter called the "support line" phone number Gaudreau used, without identifying as a journalist, and reached someone who said he was with Meta.
Asked if the number was for a legitimate Facebook support line,he said, "Yeah, this is Facebook customer service."
The man asked a number of questions, including asking foran email address to verify the account.
When the reporter said she wasn'tcomfortable giving that, the man said, "I appreciate your caution. But you're the one who called me," adding "even I am not asking your name. I'm just asking the email ID to confirm that account."
WATCH | Here's an excerpt from CBC's call to the support line:
The man then gave the reporter his full name, suggesting she Google it. A search found a LinkedIn account that appeared to show he was the "head of technical solutions consultants" at Facebook.
CBC messaged the LinkedIn account. Theman who replied denied any involvement in the call.
Gaudreau also filed a complaint with Meta, the company that owns Facebook.
"Nobody's gotten back to me" from Meta, he said."And that's another reason why I want to bring this forward, because it just seems like they operate with impunity. They don't have to answer to me."
There is a phone number for Meta online. When CBC called it, an automated recording said, "Please note that we are unable to provide telephone support at this time," anddirected callers to meta.com/help.
In response to a request for comment from CBCabout Gaudreau's case,a Meta spokesperson said in a Friday afternoon email that "Meta AI can sometimes produce inaccurate information, and we are continually working to make it better."
The company ran its own searches withMeta AI to see if the results would be similar to what Gaudreaugot when he searched the phone number, but the results were different, according toMeta's spokesperson.
"Scammers use every platform available to them to defraud people and constantly adapt to avoid enforcement," and Meta isworking with law enforcement agenciesand other organizations to understandthe techniques used by hackers and scammers to circumvent the company's policies and systems, the spokesperson said.
A Winnipeg Police Service spokesperson told CBC they havean active investigation open, and the case has been forwarded to the financial crimes unit.
AI tools 'don't know what truthis': prof
Gaudreau says after this ordeal, he no longer trusts AI.Prof.David Gerhard, head of computer science at the University of Manitoba, says that's wise.
"You absolutely should not trust AI. It is a very powerful tool that makes mistakes," Gerhard, who has studied artificial intelligence and social media, said in an interview.
He likened it to "a hyper-intelligent eight-year-old that desperately wants to please you. It knows everything about everything, but it will give you a wrong answer rather than say, 'I don't know.'"
Artificial intelligence models don't understand what truth is, said Gerhard.
WATCH | A computer scientist explains why AI can't be trusted:
The AI software that Meta uses in the Messenger app where Gaudreau went to confirmthe fake support number is calledLlama 3. Like the better-known ChatGPT, it'swhat's known as a"large language model,"Gerhard said.
"Llama and other large language models are trained on everything. They're trained on all of the internet. And the problem there is that there's a lot of bad information on the internet," he said which also means they don't have an understanding of truth.
"They don't know what truthis or how to get to it," said Gerhard.
"So don't use a large language model to verify facts."
Gerhard says Gaudreau's case is troubling because Facebook AI gave him incorrect information that led to him getting scammed.
"The fact that it's very difficult to find a way to talk to a human in these companies is problematic," he said.
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