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Windows Defender Security Center scam: How to protect your computer from fake pop-ups

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Windows Defender Security Center scam: How to protect your computer from fake pop-ups

In an email we received from Janet D., she shared her recent unsettling experience. Here’s what she described:

“I received a pop-up that froze my computer and read, ‘Access to this system is blocked for security reasons’ from Windows Defender Security Center. It came with an audio message and siren.”

Janet did what many might do in such a panic-inducing situation: She called the number displayed on her screen. She was instructed to press Ctrl + Shift + Esc, unfreezing her computer, but the instructions didn’t stop there. The scammer directed her to download software from UltraViewer.net, a legitimate remote access tool often exploited by bad actors. Here’s what you should know if you ever encounter a similar scam.

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Windows Defender pop-up scam (Kurt “CyberGuy” Knutsson)

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3 red flags to recognize a tech support scam

1) Unsolicited pop-ups claiming to be from Microsoft or other security services: Janet’s story highlights a common scam tactic, which is fake alerts masquerading as official warnings. Microsoft and other legitimate companies do not issue pop-ups with support numbers or direct you to download remote access software.

2) Urgent audio and visual cues: Scammers create a sense of urgency with sirens, flashing messages and warnings of dire consequences to push victims into immediate action without thinking critically.

3) Requests to install remote access software: Scammers often use tools like UltraViewer, TeamViewer or AnyDesk to gain access to victims’ systems. While these tools are legitimate for remote tech support, downloading them at the request of an unknown party is a red flag.

Windows Defender pop-up scam (Kurt “CyberGuy” Knutsson)

DON’T GET CAUGHT IN THE ‘APPLE ID SUSPENDED’ PHISHING SCAM

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Steps to take if you encounter a scam like this

If you come across a scam, it’s important to act quickly and take the following steps to protect yourself and your information.

Don’t engage

If you receive a suspicious pop-up, do not call the number provided or follow any on-screen instructions. Look up any suspicious phone numbers or messages independently. Use Ctrl + Alt + Del to open the Task Manager and close the browser or application displaying the message.

Assess potential damage

Scammers thrive on urgency. Take a moment to assess the situation calmly. Janet asked if the scammers could have taken any information. Here’s what to do. 

  • First, look for any unfamiliar software installed after the incident and uninstall it.
  • Visit your email, banking and other important accounts to check for unauthorized sign-ins or transactions.
  • Use strong antivirus software to conduct a comprehensive scan. The best way to safeguard yourself from malicious links that install malware, potentially accessing your private information, is to have antivirus software installed on all your devices. This protection can also alert you to phishing emails and ransomware scams, keeping your personal information and digital assets safe. Get my picks for the best 2024 antivirus protection winners for your Windows, Mac, Android and iOS devices.

Secure your system

If you installed UltraViewer or similar tools, uninstall them immediately. Update passwords for critical accounts, prioritizing your email and banking logins. Consider using a password manager to generate and store complex passwords. Enable two-factor authentication, as this adds a layer of security even if someone obtains your login credentials.

Seek professional help

If you suspect that your computer is still compromised, it might be best to consult with a professional to ensure your system is secure. You may want to reach out to Microsoft Support for additional guidance and to report the incident to help prevent others from falling victim.

Windows Defender pop-up scam (Kurt “CyberGuy” Knutsson)

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YOUR EMAIL DIDN’T EXPIRE, IT’S JUST ANOTHER SNEAKY SCAM

Why Janet didn’t receive a warning from her antivirus software

Janet also mentioned that her antivirus software didn’t flag the scam. Unfortunately, many of these scams rely on social engineering rather than malware to bypass antivirus detection. They exploit human psychology, not just technical vulnerabilities. However, running regular scans can still help detect hidden threats.

IS JUST READING THAT SKETCHY SCAMMER’S EMAIL DANGEROUS OR DO I HAVE TO CLICK ON A LINK TO GET IN TROUBLE?

What do I do if I provided personal information to a scammer?

First, don’t be the slightest bit embarrassed, as it could have happened to genuinely anyone. And the worst thing you can do is stay silent. You can help prevent this from happening to others.

Stop all communication: Cease all contact with the scammer immediately. Do not engage further or respond to any messages or calls from them.

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Report the scam: Report the incident to your local law enforcement agency or the cybercrime unit in your country. Provide them with all the information you have about the scammer and the communication you had with them.

Notify your bank and credit card companies: If you shared any financial information, contact your bank and credit card companies right away. Inform them about the potential scam and ask for advice on how to secure your accounts.

Monitor your accounts: Keep a close eye on your bank accounts, credit cards and other financial accounts for any suspicious activity. Report any unauthorized transactions immediately.

Inform credit bureaus: Consider contacting credit reporting agencies to put a fraud alert on your credit report. This can help prevent the scammer from opening new accounts in your name.

Be cautious about future communications: Be vigilant regarding any future communications from unknown sources. Scammers may try to target you again using different tactics.

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Use identity theft protection: If a scammer gets a hold of your personal information, you may consider a service that will walk you through every step of the reporting and recovery process. One of the best things you can do to protect yourself from this type of fraud is to subscribe to an identity theft service. One of the best parts of using an identity theft protection service is that it can include identity theft insurance of up to $1 million to cover losses and legal fees and a white-glove fraud resolution team where a U.S.-based case manager helps you recover any losses. Read more of my review of the best identity theft protection services here.

Kurt’s key takeaways

Janet’s experience is a reminder that even the most vigilant among us can fall prey to clever scams designed to exploit fear and urgency. By recognizing red flags like unsolicited pop-ups, high-pressure tactics and requests for remote access, you can protect yourself and your personal information. If you ever encounter a situation like Janet’s, remember to stay calm, verify the legitimacy of any alerts and take the necessary steps to secure your system. Scammers rely on quick reactions, so slow down, stay in control and don’t let them manipulate your next move.

Have you seen any new scams lately that others should know about? Let us know by writing us at Cyberguy.com/Contact.

For more of my tech tips and security alerts, subscribe to my free CyberGuy Report Newsletter by heading to Cyberguy.com/Newsletter.

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Defense secretary Pete Hegseth designates Anthropic a supply chain risk

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Defense secretary Pete Hegseth designates Anthropic a supply chain risk

This week, Anthropic delivered a master class in arrogance and betrayal as well as a textbook case of how not to do business with the United States Government or the Pentagon.

Our position has never wavered and will never waver: the Department of War must have full, unrestricted access to Anthropic’s models for every LAWFUL purpose in defense of the Republic.

Instead, @AnthropicAI and its CEO @DarioAmodei, have chosen duplicity. Cloaked in the sanctimonious rhetoric of “effective altruism,” they have attempted to strong-arm the United States military into submission – a cowardly act of corporate virtue-signaling that places Silicon Valley ideology above American lives.

The Terms of Service of Anthropic’s defective altruism will never outweigh the safety, the readiness, or the lives of American troops on the battlefield.

Their true objective is unmistakable: to seize veto power over the operational decisions of the United States military. That is unacceptable.

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As President Trump stated on Truth Social, the Commander-in-Chief and the American people alone will determine the destiny of our armed forces, not unelected tech executives.

Anthropic’s stance is fundamentally incompatible with American principles. Their relationship with the United States Armed Forces and the Federal Government has therefore been permanently altered.

In conjunction with the President’s directive for the Federal Government to cease all use of Anthropic’s technology, I am directing the Department of War to designate Anthropic a Supply-Chain Risk to National Security. Effective immediately, no contractor, supplier, or partner that does business with the United States military may conduct any commercial activity with Anthropic. Anthropic will continue to provide the Department of War its services for a period of no more than six months to allow for a seamless transition to a better and more patriotic service.

America’s warfighters will never be held hostage by the ideological whims of Big Tech. This decision is final.

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What Trump’s ‘ratepayer protection pledge’ means for you

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What Trump’s ‘ratepayer protection pledge’ means for you

NEWYou can now listen to Fox News articles!

When you open a chatbot, stream a show or back up photos to the cloud, you are tapping into a vast network of data centers. These facilities power artificial intelligence, search engines and online services we use every day. Now there is a growing debate over who should pay for the electricity those data centers consume.

During President Trump’s State of the Union address this week, he introduced a new initiative called the “ratepayer protection pledge” to shift AI-driven electricity costs away from consumers. The core idea is simple. 

Tech companies that run energy-intensive AI data centers should cover the cost of the extra electricity they require rather than passing those costs on to everyday customers through higher utility rates.

It sounds simple. The hard part is what happens next.

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At the State of the Union address Feb. 24, 2026, President Trump unveiled the “ratepayer protection pledge” aimed at shielding consumers from rising electricity costs tied to AI data centers. (Nathan Posner/Anadolu via Getty Images)

Why AI is driving a surge in electricity demand

AI systems require enormous computing power. That computing power requires enormous electricity. Today’s data centers can consume as much power as a small city. As AI tools expand across business, healthcare, finance and consumer apps, energy demand has risen sharply in certain regions.

Utilities have warned that the current grid in many parts of the country was not built for this level of concentrated demand. Upgrading substations, transmission lines and generation capacity costs money. Traditionally, those costs can influence rates paid by homes and small businesses. That is where the pledge comes in.

What the ratepayer protection pledge is designed to do

Under the ratepayer protection pledge, large technology companies would:

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  • Cover the full cost of additional electricity tied to their data centers
  • Build their own on-site power generation to reduce strain on the public grid

Supporters say this approach separates residential energy costs from large-scale AI expansion. In other words, your household bill should not rise simply because a new AI data center opens nearby. So far, Anthropic is the clearest public backer. CyberGuy reached out to Anthropic for a comment on its role in the pledge. A company spokesperson referred us to a tweet from Anthropic Head of External Affairs Sarah Heck.

“American families shouldn’t pick up the tab for AI,” Heck wrote in a post on X. “In support of the White House ratepayer protection pledge, Anthropic has committed to covering 100% of electricity price increases that consumers face from our data centers.”

That makes Anthropic one of the first major AI companies to publicly state it will absorb consumer electricity price increases tied to its data center operations. Other major firms may be close behind. The White House reportedly plans to host Microsoft, Meta and Anthropic in early March to discuss formalizing a broader deal, though attendance and final terms have not been confirmed publicly.

Microsoft also expressed support for the initiative. 

“The ratepayer protection pledge is an important step,” Brad Smith, Microsoft vice chair and president, said in a statement to CyberGuy. “We appreciate the administration’s work to ensure that data centers don’t contribute to higher electricity prices for consumers.”  

Industry groups also point to companies such as Google and utilities including Duke Energy and Georgia Power as making consumer-focused commitments tied to data center growth. However, enforcement mechanisms and long-term regulatory details remain unclear.

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CHINA VS SPACEX IN RACE FOR SPACE AI DATA CENTERS

The White House plans talks with Microsoft, Meta and Anthropic about shifting AI energy costs away from consumers. (Eli Hiller/For The Washington Post via Getty Images)

How this could change the economics of AI

AI infrastructure is already one of the most expensive technology buildouts in history. Companies are investing billions in chips, servers and real estate. If firms must also finance dedicated power plants or pay premium rates for grid upgrades, the cost of running AI systems increases further. That could lead to:

  • Slower expansion in some markets
  • Greater investment in renewable energy and storage
  • More partnerships between tech firms and utilities

Energy strategy may become just as important as computing strategy. For consumers, this shift signals that electricity is now a central part of the AI conversation. AI is no longer only about software. It is also about infrastructure.

The bigger consumer tech picture

AI is becoming embedded in smartphones, search engines, office software and home devices. As adoption grows, so does the hidden infrastructure supporting it. Energy is now part of the conversation around everyday technology. Every AI-generated image, voice command or cloud backup depends on a power-hungry network of servers.

By asking companies to account more directly for their electricity use, policymakers are acknowledging a new reality. The digital world runs on very physical resources. For you, that shift could mean more transparency. It also raises new questions about sustainability, local impact and long-term costs.

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ARTIFICIAL INTELLIGENCE HELPS FUEL NEW ENERGY SOURCES

As AI expansion strains the grid, a new proposal would require tech firms to fund their own power needs. (Sameer Al-Doumy/AFP via Getty Images)

What this means for you

If you are a homeowner or renter, the practical question is simple. Will this protect my electric bill? In theory, separating data center energy costs from residential rates could reduce the risk of price spikes tied to AI growth. If companies fund their own generation or grid upgrades, utilities may have less reason to spread those costs among all customers.

That said, utility pricing is complex. It depends on state regulators, long-term planning and local energy markets.

Here is what you can watch for in your area:

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  • New data center construction announcements
  • Utility filings that mention large commercial load growth
  • Public service commission decisions on rate adjustments

Even if you rarely use AI tools, your community could feel the effects of a nearby data center. The pledge is intended to keep those large-scale power demands from showing up in your monthly bill.

Take my quiz: How safe is your online security?

Think your devices and data are truly protected? Take this quick quiz to see where your digital habits stand. From passwords to Wi-Fi settings, you’ll get a personalized breakdown of what you’re doing right and what needs improvement. Take my Quiz here: Cyberguy.com.

Kurt’s key takeaways

The ratepayer protection pledge highlights an important turning point. AI is no longer only about innovation and speed. It is also about energy and accountability. If tech companies truly absorb the cost of their expanding power needs, households may avoid some of the financial strain tied to rapid AI growth. If not, utility bills could become an unexpected front line in the AI era.

As AI tools become part of daily life, how much extra power are you willing to support to keep them running? Let us know by writing to us at Cyberguy.com.

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Copyright 2026 CyberGuy.com. All rights reserved.

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Here’s your first look at Kratos in Amazon’s God of War show

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Here’s your first look at Kratos in Amazon’s God of War show

Amazon has slowly been teasing out casting details for its live-action adaptation of God of War, and now we have our first look at the show. It’s a single image but a notable one showing protagonist Kratos and his son Atreus. The characters are played by Ryan Hurst and Callum Vinson, respectively, and they look relatively close to their video game counterparts.

There aren’t a lot of other details about the show just yet, but this is Amazon’s official description:

The God of War series storyline follows father and son Kratos and Atreus as they embark on a journey to spread the ashes of their wife and mother, Faye. Through their adventures, Kratos tries to teach his son to be a better god, while Atreus tries to teach his father how to be a better human.

That sounds a lot like the recent soft reboot of the franchise, which started with 2018’s God of War and continued through Ragnarök in 2022. For the Amazon series, Ronald D. Moore, best-known for his work on For All Mankind and Battlestar Galactica, will serve as showrunner. The rest of the cast includes: Mandy Patinkin (Odin), Ed Skrein (Baldur), Max Parker (Heimdall), Ólafur Darri Ólafsson (Thor), Teresa Palmer (Sif), Alastair Duncan (Mimir), Jeff Gulka (Sindri), and Danny Woodburn (Brok).

While production is underway on the God of War series, there’s no word on when it might start streaming.

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