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No, it’s not really Apple or Microsoft popping up on your screen to tell you your computer has been infected.

It’s scammers trying to convince you to call them and divulge sensitive information, which may include passwords, bank or credit account information or Social Security numbers.

“They use the reputation of the brand [for legitimacy purposes] to make it seem more real,” said Cliff Steinhauer, director of information security and engagement at The National Cybersecurity Alliance. “Because, who doesn’t know Microsoft or Apple as a brand?”

Consumers are likely to see more of these types of scams now, in the wake of Apple’s recent release of its new iPhone. There tends to be a rise in scams when a new product or version is released because it’s easier for scammers taking advantage of news headlines to strike while the iron is hot, said Nati Tal, head of Guardio Labs, which identifies, monitors and mitigates internet security threats. “In a very small time period, they will get tons and tons of potential victims.”

The scams can affect anyone, but as has been the case with other recent tech-linked consumer crime waves, such as bitcoin ATM fraud, the elderly are especially vulnerable. Last year, nearly 18,000 victims aged 60 and over reported tech support scams to the FBI’s Internet Crime Complaint Center, making it the most widely reported kind of elder fraud in 2023. Fraud losses from tech support scams against the elderly amounted to $590 million of losses — and that’s only reported cases.

These types of scams are getting even harder to spot because of AI, especially when the scheme uses a known company logo to make it look legit. Here’s what people should know to protect themselves from scams targeting commonly used, trusted tech brands:

Never assume any online ad is authentic

People can be duped in a number of ways. One way is malvertising, in which bad actors pay for ads on search engines like Google or Microsoft’s Bing. These rogue ads can appear as sponsored content, or in small print as an ad, during a search engine query.

So, for example, a consumer searching for “Microsoft support” might be shown a fake Microsoft ad with a number to call. By calling this number, people are playing right into scammers’ hands, according to Malwarebytes, which has identified a number of these schemes. Malwarebytes also uncovered a malicious ad campaign targeting Mac users looking for support or extended warranty from Apple.

“People have all sorts of issues with their computers and they look for help, but a lot of the time the numbers they find will be a scammer’s number, not the real one,” said Jérôme Segura, senior director of research at Malwarebytes.

Pop-ups, emails from brands you know are often suspect

Tech scams also ensnare unsuspecting consumers through phishing emails for renewal offers that seem to come from legit places, including Microsoft, McAfee, PayPal and Norton. These emails could be laced with malware if users click on a link, or they could be phishing attempts to get more information from the individual. Sometimes simply opening the attachment could infect a consumer’s computer with malware. 

The other type of tech-support scam happens when a window pops up on a user’s computer to warn of an “infection.”

There’s often audio associated with this type of scam to instill a sense of urgency for consumers to call the number listed in the pop-up. There may also be a button that says “return to safety,” but when clicked, what was a regular browser window — with the address bar and window title visible — becomes a full-screen page, with a message about not rebooting the computer because it’s infected, Segura said.

“Imagine being the user and hearing the non-stop audio playing in the background saying your computer is compromised. This is very stressful and it will lead people to make a bad decision in calling the fake phone number,” he said.

Once people call, they often are manipulated into sharing personal information such as their credit card number or giving scammers access to their computer.

How to click without getting into online trouble

For starters, consumers should avoid clicking on sponsored ads obtained during a Google or Bing query. (Hint: These often appear at the top of the search results page, but they can also appear further down, so look out for the word “sponsored” or “ad” depending on the search engine.) Consumers should also avoid clicking on random links sent in an email, even if they think they know the sender. And don’t open attachments unless you’re sure you know what’s being sent.

In the case of a pop-up warning of a computer virus, Segura said the general rule is to only click on the browser’s own icons which are typically at the very top right corner. “Never click on any other ‘X’ within the web page itself, as it is fake,” he said. 

If people do click on the X or have clicked on “return to safety,” the webpage will likely go into full-screen mode. “If that happens, you must first exit out of full screen by long pressing on the keyboard’s escape button (Esc) and only then can you finally X out,” Segura said. 

Internet browsers come with basic protections, so be sure to keep your browsers updated. You might also want to install a free, or paid-protection service that covers multiple types of threats. 

What to do if you fall for a tech scam

Next steps depend on the type of information you shared with scammers. If, for instance, you called a number for “Microsoft” or “Apple” and gave usernames and passwords, change those. If you only shared your name, address and phone number, it’s not necessary to do anything because this information is readily available to scammers through data brokers, Jim Routh, chief trust officer at identity security company Saviynt, explained in an email. 

Consumers who share their credit card number, expiration date and CVV, should call their credit card company’s fraud line to report the incident and request a new credit card be overnighted.

If credentials are shared with the fraudster for other online accounts, the password for each should be immediately changed. It’s also advisable for consumers to freeze their credit with each of the three primary credit bureaus, Equifax, Experian and TransUnion. This is a good practice to do for your whole family and especially for children under 18, even in the absence of a particular threat. It’s also advisable to place a fraud alert with one of the credit bureaus, which will relay the information to all three.

People who are concerned they installed malware who don’t have anti-virus protection should choose a reputable brand and install it, Routh said. If they lack technical sophistication, they can call the Geek Squad or a similar service to scan the workstation and find the malware to remove. Consumers who have given remote computer access to scammers should bring their device to a service professional for assistance, he added.

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Musk says Tesla is expanding Austin robotaxi service, adding Grok to cars

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Musk says Tesla is expanding Austin robotaxi service, adding Grok to cars

Tesla CEO Elon Musk attends an opening ceremony for Tesla China-made Model Y program in Shanghai, China, on Jan. 7, 2020.

Aly Song | Reuters

Tesla CEO Elon Musk said the company is expanding its robotaxi service area and bringing xAI’s Grok to vehicles as it rolled out a new iteration of the artificial intelligence chatbot.

Shares gained about 3%.

Musk said on X that Grok, his AI chatbot that praised Adolf Hitler and posted a barrage of antisemitic comments recently, will be available in Tesla vehicles “next week at the latest.”

xAI officially launched the Grok 4 update overnight as the company continued to face backlash for the vitriol written by the chatbot.

In response to a user post on his social media platform X, Musk said the company is expanding its Austin, Texas robotaxi service area this weekend. He also said Tesla is awaiting regulatory approval for a launch in the Bay Area “probably in a month or two.”

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The expansion of robotaxi and Grok integration comes at a fraught time for Musk and his empire.

Tesla set its annual shareholder meeting for Nov. 6, a Thursday filing showed. A group of investors recently called on the electric vehicle company to schedule the meeting.

Its last shareholder meeting was in June 2024, as Musk established himself as a major backer of President Donald Trump‘s reelection campaign. Musk later led the Trump administration’s Department of Government Efficiency, known as DOGE.

After stepping down from DOGE at the end of May, Musk has openly feuded with Trump on social media over the major tax bill, with the president suggesting the government look at cutting contracts for Musk’s companies.

Shares have tanked from their post-election high over investor concerns that the public fight could hamper Tesla. Slowing sales and rising competition also stifled some investor appetite.

Tesla shares fell Monday, with the company losing $68 billion in value after Musk continued to blast Trump’s “Big Beautiful Bill” and said he was establishing his own political party, the “America Party.”

The world’s richest man suffered another blow Wednesday when Linda Yaccarino stepped down as CEO of his social media platform X, leaving the role after a turbulent two years for the company.

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Amazon Web Services is building equipment to cool Nvidia GPUs as AI boom accelerates

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Amazon Web Services is building equipment to cool Nvidia GPUs as AI boom accelerates

The letters AI, which stands for “artificial intelligence,” stand at the Amazon Web Services booth at the Hannover Messe industrial trade fair in Hannover, Germany, on March 31, 2025.

Julian Stratenschulte | Picture Alliance | Getty Images

Amazon said Wednesday that its cloud division has developed hardware to cool down next-generation Nvidia graphics processing units that are used for artificial intelligence workloads.

Nvidia’s GPUs, which have powered the generative AI boom, require massive amounts of energy. That means companies using the processors need additional equipment to cool them down.

Amazon considered erecting data centers that could accommodate widespread liquid cooling to make the most of these power-hungry Nvidia GPUs. But that process would have taken too long, and commercially available equipment wouldn’t have worked, Dave Brown, vice president of compute and machine learning services at Amazon Web Services, said in a video posted to YouTube.

“They would take up too much data center floor space or increase water usage substantially,” Brown said. “And while some of these solutions could work for lower volumes at other providers, they simply wouldn’t be enough liquid-cooling capacity to support our scale.”

Rather, Amazon engineers conceived of the In-Row Heat Exchanger, or IRHX, that can be plugged into existing and new data centers. More traditional air cooling was sufficient for previous generations of Nvidia chips.

Customers can now access the AWS service as computing instances that go by the name P6e, Brown wrote in a blog post. The new systems accompany Nvidia’s design for dense computing power. Nvidia’s GB200 NVL72 packs a single rack with 72 Nvidia Blackwell GPUs that are wired together to train and run large AI models.

Computing clusters based on Nvidia’s GB200 NVL72 have previously been available through Microsoft or CoreWeave. AWS is the world’s largest supplier of cloud infrastructure.

Amazon has rolled out its own infrastructure hardware in the past. The company has custom chips for general-purpose computing and for AI, and designed its own storage servers and networking routers. In running homegrown hardware, Amazon depends less on third-party suppliers, which can benefit the company’s bottom line. In the first quarter, AWS delivered the widest operating margin since at least 2014, and the unit is responsible for most of Amazon’s net income.

Microsoft, the second largest cloud provider, has followed Amazon’s lead and made strides in chip development. In 2023, the company designed its own systems called Sidekicks to cool the Maia AI chips it developed.

WATCH: AWS announces latest CPU chip, will deliver record networking speed

AWS announces latest CPU chip, will deliver record networking speed

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Bitcoin rises to fresh record above $112,000, helped by Nvidia-led tech rally

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Bitcoin rises to fresh record above 2,000, helped by Nvidia-led tech rally

The logo of the cryptocurrency Bitcoin can be seen on a coin in front of a Bitcoin chart.

Silas Stein | Picture Alliance | Getty Images

Bitcoin hit a fresh record on Wednesday afternoon as an Nvidia-led rally in equities helped push the price of the cryptocurrency higher into the stock market close.

The price of bitcoin was last up 1.9%, trading at $110,947.49, according to Coin Metrics. Just before 4:00 p.m. ET, it hit a high of $112,052.24, surpassing its May 22 record of $111,999.

The flagship cryptocurrency has been trading in a tight range for several weeks despite billions of dollars flowing into bitcoin exchange traded funds. Bitcoin purchases by public companies outpaced ETF inflows in the second quarter. Still, bitcoin is up just 2% in the past month.

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Bitcoin climbs above $112,000

On Wednesday, tech stocks rallied as Nvidia became the first company to briefly touch $4 trillion in market capitalization. In the same session, investors appeared to shrug off the latest tariff developments from President Donald Trump. The tech-heavy Nasdaq Composite notched a record close.

While institutions broadly have embraced bitcoin’s “digital gold” narrative, it is still a risk asset that rises and falls alongside stocks depending on what’s driving investor sentiment. When the market is in risk-on mode and investors buy growth-oriented assets like tech stocks, bitcoin and crypto tend to rally with them.

Investors have been expecting bitcoin to reach new records in the second half of the year as corporate treasuries accelerate their bitcoin buying sprees and Congress gets closer to passing crypto legislation.

Don’t miss these cryptocurrency insights from CNBC Pro:

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