Technology
Hacked Chrome extensions put 2.6 million users at risk of data leak
Your web browser is an ecosystem of its own. It stores your passwords, search history, financial details like credit card numbers, addresses and more. Just like how malicious apps and services can compromise data on your phone or PC, malicious extensions can expose the data stored in your browser.
There are a ton of extensions out there that do more harm than good. In fact, security researchers have just found a dangerous new campaign that is going after browser extensions. So far, around 36 extensions have been compromised, putting over 2.6 million Chrome users at risk of having their browsing data and account credentials exposed.
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A person using a Chrome browser extension (Kurt “CyberGuy” Knutsson)
How hackers are targeting browser extensions
Hackers are exploiting browser extensions as a gateway to steal sensitive user data through a variety of methods. These compromised extensions are exposing over 2.6 million users to data exposure and credential theft, as reported by The Hacker News.
One common attack involves phishing campaigns targeting the publishers of legitimate extensions on platforms like the Chrome Web Store. In these campaigns, attackers trick developers into granting permissions to malicious applications, which then insert harmful code into popular extensions. This code can steal cookies, access tokens and other user data.
The first company to shed light on the campaign was cybersecurity firm Cyberhaven, one of whose employees were targeted by a phishing attack on December 24, allowing the threat actors to publish a malicious version of the extension.
Once these malicious extensions are published and pass the Chrome Web Store’s security review, they are made available to millions of users, putting them at risk of data theft. Attackers can use these extensions to exfiltrate browsing data, monitor user activity and even bypass security measures such as two-factor authentication.
In some cases, developers themselves may unknowingly include data-gathering code as part of a monetization software development kit, which stealthily exfiltrates detailed browsing data. This makes it difficult to determine whether a compromise is the result of a hacking campaign or an intentional inclusion by the developer.
Image of a Chrome browser on a cellphone (Kurt “CyberGuy” Knutsson)
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Remove these extensions from your web browser
The browser extension security platform Secure Annex has launched its own investigation into this hacking campaign. So far, it has uncovered over twenty additional compromised extensions, which are listed below. If you have any of the compromised extensions listed in Secure Annex’s investigation installed on your browser, it’s essential to remove them immediately to protect your data.
- AI Assistant – ChatGPT and Gemini for Chrome
- Bard AI Chat Extension
- GPT 4 Summary with OpenAI
- Search Copilot AI Assistant for Chrome
- TinaMInd AI Assistant
- Wayin AI
- VPNCity
- Internxt VPN
- Vindoz Flex Video Recorder
- VidHelper Video Downloader
- Bookmark Favicon Changer
- Castorus
- Uvoice
- Reader Mode
- Parrot Talks
- Primus
- Tackker – online keylogger tool
- AI Shop Buddy
- Sort by Oldest
- Rewards Search Automator
- ChatGPT Assistant – Smart Search
- Keyboard History Recorder
- Email Hunter
- Visual Effects for Google Meet
- Earny – Up to 20% Cash Back
- Cyberhaven security extension V3
- GraphQL Network Inspector
- Vidnoz Flex – Video recorder & Video share
- YesCaptcha assistant
- Proxy SwitchyOmega (V3)
- ChatGPT App
- Web Mirror
- Hi AI
Keeping these extensions installed is a serious risk since hackers can still access your data even if the malicious version has been taken down from the Chrome Web Store. Secure Annex is still investigating and has shared a public Google Sheet with details about the malicious extensions it has found so far, like whether they’ve been updated or removed. They’re also adding new extensions to the list as they discover them.
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How to remove an extension from Google Chrome
If you have installed one of the above-mentioned extensions on your browser, remove it as soon as possible. To remove an extension from Google Chrome, follow these steps:
- Open Chrome and click the icon that looks like a piece of a puzzle. You’ll find it in the top-right corner of the browser.
- You can see all the active extensions now. Click the three dots icon next to the extension you want to remove and select Remove from Chrome.
- Click Remove to confirm
Steps to remove an extension from Google Chrome (Kurt “CyberGuy” Knutsson)
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7 ways to stay safe from malicious software
1) Verify emails and links before clicking: Many attacks begin with phishing emails that impersonate trusted entities like Google Chrome Web Store Developer Support. These emails often create a false sense of urgency, urging you to click on malicious links. Always verify the sender’s email address and avoid clicking on links without double-checking their authenticity. When in doubt, go directly to the official website rather than using a provided link.
2) Use strong antivirus software: Having strong antivirus software is an essential line of defense against malicious software. These tools can detect and block malicious code, even if it has been embedded in browser extensions. The best way to safeguard yourself from malicious links that install strong 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 2025 antivirus protection winners for your Windows, Mac, Android and iOS devices.
3) Limit extension permissions: Be cautious about the permissions you grant to browser extensions. Many require access to sensitive data like browsing history, cookies or account information, but not all requests are necessary. Review what each extension asks for and deny permissions that seem excessive. If possible, opt for extensions with limited access to ensure your data remains protected.
4) Limit the number of extensions: Only install extensions that are genuinely needed and regularly review and uninstall those no longer in use.
5) Keep your browser updated: Always update your browser to the latest version. Updates often include critical security patches that protect against vulnerabilities exploited by malicious software. Using an outdated browser increases the risk of being targeted by attacks that could have been prevented with a simple update. Enable automatic updates to ensure you’re always protected. If you are unsure how to update your browser, check out my detailed guide for Google Chrome.
6) Regularly audit your extensions: Conduct periodic reviews of installed extensions and remove any that are unnecessary or pose potential security risks.
7) Report suspicious extensions: If you encounter a suspicious extension, report it to the official browser extension marketplace.
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Kurt’s key takeaway
Hackers are getting smarter, and browser extensions have become a new favorite target for stealing sensitive data. The discovery of over 35 compromised Chrome extensions, putting 2.6 million users at risk, is a wake-up call for everyone. Removing suspicious extensions is an essential step to protect your data. This also puts Google’s Chrome Web Store review process under scrutiny, proving that even trusted platforms can be exploited.
How often do you review and remove unused or suspicious browser extensions? Let us know by writing us at Cyberguy.com/Contact.
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Technology
300,000 Chrome users hit by fake AI extensions
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Your web browser may feel like a safe place, especially when you install helpful tools that promise to make your life easier. But security researchers have uncovered a dangerous campaign in which more than 300,000 people installed Chrome extensions pretending to be artificial intelligence (AI) assistants. Instead of helping, these fake tools secretly collect sensitive information like your emails, passwords and browsing activity.
They used familiar names like ChatGPT, Gemini and AI Assistant. If you use Chrome and have installed any AI-related extension, your personal information may already be exposed. Even worse, some of these malicious extensions are still available today, putting more people at risk without their knowing.
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More than 300,000 Chrome users installed fake AI extensions that secretly harvested sensitive data. (Kurt “CyberGuy” Knutsson)
What you need to know about fake AI extensions
Security researchers at browser security company LayerX discovered a large campaign involving 30 malicious Chrome extensions disguised as AI-powered assistants (via BleepingComputer). Together, these extensions were installed more than 300,000 times by unsuspecting users.
Some of the most popular extensions included names like AI Sidebar with 70,000 users, AI Assistant with 60,000 users, ChatGPT Translate with 30,000 users, and Google Gemini with 10,000 users. Another extension called Gemini AI Sidebar had 80,000 users before it was removed.
These extensions were distributed through the official Chrome Web Store, which made them appear legitimate and trustworthy. Even more concerning, researchers found that many of these extensions were connected to the same malicious server, showing they were part of a coordinated effort.
While some extensions have since been removed, others remain available. This means new users could still unknowingly install them and expose their personal data. Here’s the list of the affected extensions:
- AI Assistant
- Llama
- Gemini AI Sidebar
- AI Sidebar
- ChatGPT Sidebar
- Grok
- Asking ChatGPT
- ChatGBT
- Chat Bot GPT
- Grok Chatbot
- Chat With Gemini
- XAI
- Google Gemini
- Ask Gemini
- AI Letter Generator
- AI Message Generator
- AI Translator
- AI For Translation
- AI Cover Letter Generator
- AI Image Generator ChatGPT
- Ai Wallpaper Generator
- Ai Picture Generator
- DeepSeek Download
- AI Email Writer
- Email Generator AI
- DeepSeek Chat
- ChatGPT Picture Generator
- ChatGPT Translate
- AI GPT
- ChatGPT Translation
- ChatGPT for Gmail
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These malicious tools were listed in the official Chrome Web Store, making them appear legitimate and trustworthy. (LayerX)
How the fake AI Chrome extension attack works
These fake extensions pretend to offer helpful AI features, such as translating text, summarizing emails, or acting as an AI assistant. But behind the scenes, they quietly monitor what you are doing online.
Once installed, the extension gains permission to view and interact with the websites you visit. This allows it to read the contents of web pages, including login screens where you enter your username and password.
In some cases, the extensions specifically targeted Gmail. They could read your email messages directly from your browser, including emails you received and even drafts you were still writing. This means attackers could access private conversations, financial information and sensitive personal details.
The extensions then sent this information to servers controlled by the attackers. Because they loaded content remotely, the attackers could change their behavior at any time without needing to update the extension.
Some versions could also activate voice features through your browser. This could potentially capture spoken conversations near your device and send transcripts back to the attackers.
If you installed one of these extensions, attackers may already have access to extremely sensitive information. This includes your email content, login credentials, browsing habits and possibly even voice recordings.
We reached out to Google for comment, and a spokesperson told CyberGuy that the company “can confirm that the extensions from this report have all been removed from the Google Web Store.”
BROWSER EXTENSION MALWARE INFECTED 8.8M USERS IN DARKSPECTRE ATTACK
Once installed, the extensions could read emails, capture passwords, monitor browsing activity and send the data to attacker-controlled servers. (Bildquelle/ullstein bild via Getty Images)
7 ways you can protect yourself from malicious Chrome extensions
If you have ever installed an AI-related Chrome extension, taking a few simple precautions now can help protect your accounts and prevent further damage.
1) Remove any suspicious or unused browser extensions
On a Windows PC or Mac, open Chrome and type chrome://extensions into the address bar. Review every extension listed. If you see anything unfamiliar, especially AI assistants you don’t remember installing, click “Remove” immediately. Malicious extensions depend on going unnoticed. Removing them stops further data collection and cuts off the attacker’s access to your information.
2) Change your passwords
If you installed any suspicious extension, assume your passwords may be compromised. Start by changing your email password first, since email controls access to most other accounts. Then update passwords for banking, shopping and social media accounts. This prevents attackers from using stolen credentials to break into your accounts.
3) Use a password manager to create and protect strong passwords
A password manager generates unique, complex passwords for each account and stores them securely. This prevents attackers from accessing multiple accounts if one password is stolen. Password managers also alert you if your login credentials appear in known data breaches, helping you respond quickly and protect your identity. Check out the best expert-reviewed password managers of 2026 at Cyberguy.com.
4) Install strong antivirus software and keep it active
Good antivirus software can detect malicious browser extensions, spyware, and other hidden threats. It scans your system for suspicious activity and blocks harmful programs before they can steal your information. This adds an important layer of protection that works continuously in the background to keep your device safe. Get my picks for the best 2026 antivirus protection winners for your Windows, Mac, Android & iOS devices at Cyberguy.com.
5) Use an identity theft protection service
Identity theft protection services monitor your personal data, including email addresses, financial accounts, and Social Security numbers, for signs of misuse. If criminals try to open accounts or commit fraud using your information, you receive alerts quickly. Early detection allows you to act fast and limit financial and personal damage. See my tips and best picks on how to protect yourself from identity theft at Cyberguy.com.
6) Keep your browser and computer fully updated
Software updates fix security vulnerabilities that attackers exploit. Enable automatic updates for Chrome and your operating system so you always have the latest protections. These updates strengthen your defenses against malicious extensions and prevent attackers from taking advantage of known weaknesses.
7) Use a personal data removal service
Personal data removal services scan data broker websites that collect and sell your personal information. They help remove your data from these sites, reducing what attackers can find and use against you. Less exposed information means fewer opportunities for criminals to target you with scams, identity theft or phishing attacks.
Check out my top picks for data removal services and get a free scan to find out if your personal information is already out on the web by visiting Cyberguy.com.
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Kurt’s key takeaway
Even tools designed to make your life easier can become tools for cybercriminals. Malicious extensions often hide behind trusted names and convincing features, making them difficult to spot. You can significantly reduce your risk by reviewing your browser extensions regularly, removing anything suspicious and using protective tools like password managers and strong antivirus software.
Have you checked your browser extensions recently? Let us know your thoughts by writing to us at Cyberguy.com.
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Technology
Anthropic refuses Pentagon’s new terms, standing firm on lethal autonomous weapons and mass surveillance
Less than 24 hours before the deadline in an ultimatum issued by the Pentagon, Anthropic has refused the Department of Defense’s demands for unrestricted access to its AI.
It’s the culmination of a dramatic exchange of public statements, social media posts, and behind-the-scenes negotiations, coming down to Defense Secretary Pete Hegseth’s desire to renegotiate all AI labs’ current contracts with the military. But Anthropic, so far, has refused to back down from its two current red lines: no mass surveillance of Americans, and no lethal autonomous weapons (or weapons with license to kill targets with no human oversight whatsoever). OpenAI and xAI had reportedly already agreed to the new terms, while Anthropic’s refusal had led to CEO Dario Amodei being summoned to the White House this week for a meeting with Hegseth himself, in which the Secretary reportedly issued an ultimatum to the CEO to back down by the end of business day on Friday or else.
In a statement late Thursday, Amodei wrote, “I believe deeply in the existential importance of using AI to defend the United States and other democracies, and to defeat our autocratic adversaries. Anthropic has therefore worked proactively to deploy our models to the Department of War and the intelligence community.”
He added that the company has “never raised objections to particular military operations nor attempted to limit use of our technology in an ad hoc manner” but that in a “narrow set of cases, we believe AI can undermine, rather than defend, democratic values” — going on to specifically mention mass domestic surveillance and fully autonomous weapons. (Amodei mentioned that “partial autonomous weapons … are vital to the defense of democracy” and that fully autonomous weapons may eventually “prove critical for our national defense,” but that “today, frontier AI systems are simply not reliable enough to power fully autonomous weapons.” He did not rule out Anthropic acquiescing to the military’s use of fully autonomous weapons in the future but mentioned that they were not ready now.)
The Pentagon had already reportedly asked major defense contractors to assess their dependence on Anthropic’s Claude, which could be seen as the first step to designating the company a “supply chain risk” – a public threat that the Pentagon had made recently (and a classification usually reserved for threats to national security). The Pentagon was also reportedly considering invoking the Defense Production Act to make Anthropic comply.
Amodei wrote in his statement that the Pentagon’s “threats do not change our position: we cannot in good conscience accede to their request.” He also wrote that “should the Department choose to offboard Anthropic, we will work to enable a smooth transition to another provider, avoiding any disruption to ongoing military planning, operations, or other critical missions. Our models will be available on the expansive terms we have proposed for as long as required.”
Technology
Amazon shelves Blue Jay warehouse robot
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Amazon made a lot of noise in October when it unveiled Blue Jay, a multi-armed warehouse robot built to speed up same-day deliveries. Just months later, the company quietly ended the program.
The robot’s core technology will live on in other projects. Still, Blue Jay itself is done.
That sudden shift raises an important question. If one of the world’s most advanced logistics companies cannot make a high-profile robot work at scale, what does that say about the future of artificial intelligence (AI) in the real world?
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Blue Jay was designed as a ceiling-mounted robot that could sort and handle multiple packages at once to speed up same-day delivery. (Amazon)
What Blue Jay was supposed to do
Blue Jay was not a simple conveyor belt upgrade. It was a ceiling-mounted system designed to recognize and sort multiple packages at once. Using AI-powered perception models, the robot could:
- Identify packages in motion
- Coordinate several arms at the same time
- Manipulate items with speed and precision
Amazon said it developed the system in under a year. That pace alone was impressive. The goal was clear: move more packages faster while reducing strain on workers in same-day fulfillment centers. On paper, that sounds like a win for everyone.
Why Blue Jay ran into trouble
Despite the hype, Blue Jay faced steep engineering and cost challenges. First, the robot was mounted to the ceiling. That design required complex installation and tight integration into Amazon’s Local Vending Machine warehouses. Those facilities operate as massive, single structures with automation baked into the building itself.
There was little room to reconfigure hardware once installed. That rigidity likely became a liability. In software, AI can pivot overnight with a code update. In the physical world, changing course means retooling steel beams, motors and entire layouts. That takes time and serious money. Several employees who worked on Blue Jay have already moved to other robotics projects.
The company reportedly continues to experiment and improve its warehouse systems. The technology behind Blue Jay will, in fact, inform future designs. In other words, the robot failed. The ideas did not.
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Engineering complexity and high installation costs limited how easily Blue Jay could scale inside Amazon’s tightly integrated warehouse system. (Amazon)
From LVM to Orbital: A strategic shift
Amazon’s next move centers on a new warehouse architecture called Orbital. Unlike the older Local Vending Machine model, Orbital is modular. It can be built from smaller units and deployed faster in different layouts.
That flexibility matters. Retail is fragmenting. Customers expect same-day delivery from urban hubs, local stores and even grocery locations. Orbital could allow Amazon to place micro-fulfillment centers behind retail stores, including Whole Foods locations. That would help it compete more directly with Walmart, which already has a strong grocery footprint.
Alongside Orbital, Amazon is developing a new robotics system called Flex Cell. Unlike Blue Jay’s ceiling mount, Flex Cell is expected to sit on the floor.
That small design change signals something bigger. Amazon appears to be moving from massive centralized automation to smaller, adaptable systems built for the unpredictable realities of local retail.
What this means for your deliveries
If you order from Amazon regularly, you might wonder whether this affects you. In the short term, probably not. Your packages will still show up. Same-day and next-day delivery remain core priorities. However, the long-term story is more interesting. Amazon’s robotics strategy shapes how fast your order arrives, how much you pay and how local warehouses operate in your community.
If Orbital works, you could see:
- Faster delivery from smaller neighborhood hubs
- Better handling of chilled and perishable items
- More automation in retail backrooms
If it struggles, same-day expansion could slow or become more expensive. That tension reflects a broader truth about AI. Writing code is one thing. Teaching a robot to lift boxes in a real warehouse without breaking down is another.
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After only a few months, Amazon discontinued the Blue Jay program while continuing to reuse parts of its underlying robotics technology. (Amazon)
The gap between AI hype and hardware reality
Blue Jay highlights a growing divide in the tech world. AI in software is moving at lightning speed. Chatbots, image tools and predictive systems evolve weekly.
Hardware is different. Robots must deal with gravity, friction, heat and unpredictable human environments. Every mistake has a physical cost.
Amazon’s course correction shows that even tech giants hit limits when translating AI breakthroughs into moving metal. That does not mean automation is slowing down. It means the path is bumpier than the headlines suggest.
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Kurt’s key takeaways
Amazon shelving Blue Jay is not a retreat from robotics. It is a recalibration. The company is betting that modular, flexible systems will win over massive, tightly integrated machines. That shift could define the next era of e-commerce logistics. For you, the promise remains the same: faster delivery, better availability and more local convenience. But behind that promise is a complicated dance between AI ambition and real-world constraints.
If even Amazon struggles to make advanced robots work at scale, how much of the AI revolution is still more vision than reality? Let us know by writing to us at Cyberguy.com
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