Technology
Malicious Mac extensions steal crypto wallets and passwords
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Mac users often assume they’re safer than everyone else, especially when they stick to official app stores and trusted tools.
That sense of security is exactly what attackers like to exploit. Security researchers have now uncovered a fresh wave of malicious Mac extensions that don’t just spy on you, but can also steal cryptocurrency wallet data, passwords and even Keychain credentials. What makes this campaign especially concerning is where the malware was found, inside legitimate extension marketplaces that many people trust by default.
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Once active, GlassWorm targets passwords, crypto wallets, and even your macOS Keychain without obvious warning signs. (Cyberguy.com)
How malicious Mac extensions slipped into trusted stores
Security researchers at Koi Security uncovered a new wave of the GlassWorm malware hiding inside extensions for code editors like Visual Studio Code (via Bleeping Computer). If you’re not familiar with code editors, they’re tools developers use to write and edit code, similar to how you might use Google Docs or Microsoft Word to edit text. These malicious extensions appeared on both the Microsoft Visual Studio Marketplace and OpenVSX, platforms widely used by developers and power users.
FAKE AI CHAT RESULTS ARE SPREADING DANGEROUS MAC MALWARE
At first glance, the extensions looked harmless. They promised popular features like code formatting, themes or productivity tools. Once installed, though, they quietly ran malicious code in the background. Earlier versions of GlassWorm relied on hidden text tricks to stay invisible. The latest wave goes further by encrypting its malicious code and delaying execution, making it harder for automated security checks to catch.
Even though this campaign is described as targeting developers, you don’t need to write code to be at risk. If you use a Mac, install extensions or store passwords or cryptocurrency on your system, this threat still applies to you.
What GlassWorm does once it’s on your Mac
Once active, GlassWorm goes after some of the most sensitive data on your device. It attempts to steal login credentials tied to platforms like GitHub and npm, but it doesn’t stop there. The malware also targets browser-based cryptocurrency wallets and now tries to access your macOS Keychain, where many saved passwords are stored.
Researchers also found that GlassWorm checks whether hardware wallet apps like Ledger Live or Trezor Suite are installed. If they are, the malware attempts to replace them with a compromised version designed to steal crypto. That part of the attack isn’t fully working yet, but the functionality is already in place.
To maintain access, the malware sets itself up to run automatically after a reboot. It can also allow remote access to your system and route internet traffic through your Mac without you realizing it, turning your device into a quiet relay for someone else.
Some of the malicious extensions showed tens of thousands of downloads. Those numbers can be manipulated, but they still create a false sense of trust that makes people more likely to install them.
7 steps you can take to stay safe from malicious Mac extensions
Malicious extensions don’t look dangerous. That’s what makes them effective. These steps can help you reduce the risk, even when threats slip into trusted marketplaces.
1) Only install extensions you actually need
Every extension you install increases risk. If you’re not actively using one, remove it. Be especially cautious of extensions that promise big productivity gains, premium features for free or imitate popular tools with slightly altered names.
2) Verify the publisher before installing anything
Check who made the extension. Established developers usually have a clear website, documentation and update history. New publishers, vague descriptions or cloned names should raise red flags.
These malicious extensions looked like helpful tools but quietly ran hidden code once installed. (Cyberguy.com)
3) Use a password manager
A password manager keeps your logins encrypted and stored safely outside your browser or editor. It also ensures every account has a unique password, so if one set of credentials is stolen, attackers can’t reuse it elsewhere.
Next, see if your email has been exposed in past breaches. Our No. 1 password manager pick includes a built-in breach scanner that checks whether your email address or passwords have appeared in known leaks. If you discover a match, immediately change any reused passwords and secure those accounts with new, unique credentials.
Check out the best expert-reviewed password managers of 2026 at Cyberguy.com.
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4) Run strong antivirus software on your Mac
Modern macOS malware doesn’t always drop obvious files. Antivirus tools today focus on behavior, looking for suspicious background activity, encrypted payloads and persistence mechanisms used by malicious extensions. This adds a critical safety net when something slips through official marketplaces.
The best way to safeguard yourself from malicious links that install malware, potentially accessing your private information, is to have strong 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 2026 antivirus protection winners for your Windows, Mac, Android and iOS devices at Cyberguy.com.
5) Consider a personal data removal service
When your data leaks, it often spreads across data broker sites and breaches databases. Personal data removal services help reduce how much of your information is publicly available, making it harder for attackers to target you with follow-up scams or account takeovers.
While no service can guarantee the complete removal of your data from the internet, a data removal service is really a smart choice. They aren’t cheap, and neither is your privacy. These services do all the work for you by actively monitoring and systematically erasing your personal information from hundreds of websites. It’s what gives me peace of mind and has proven to be the most effective way to erase your personal data from the internet. By limiting the information available, you reduce the risk of scammers cross-referencing data from breaches with information they might find on the dark web, making it harder for them to target you.
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.
Get a free scan to find out if your personal information is already out on the web: Cyberguy.com.
6) Turn on two-factor authentication (2FA)
Enable 2FA wherever possible, especially for email, cloud services, developer platforms and crypto-related accounts. Even if a password is stolen, 2FA can stop attackers from logging in.
7) Keep macOS and your apps fully updated
Security updates close gaps that malware relies on. Turn on automatic updates so you’re protected even if you miss the headlines or forget to check manually.
Mac users often trust official app stores, but that trust is exactly what attackers are counting on. (Kurt “CyberGuy” Knutsson)
Kurt’s key takeaway
GlassWorm shows that malware doesn’t always come from shady downloads or obvious scams. Sometimes it hides inside tools you already trust. Even official extension stores can host malicious software long enough to cause real harm. If you use a Mac and rely on extensions, a quick review of what’s installed could save you from losing passwords, crypto or access to important accounts.
When was the last time you checked the extensions running on your Mac? Let us know by writing to us at Cyberguy.com.
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Copyright 2026 CyberGuy.com. All rights reserved.
Technology
Snap, YouTube, and TikTok settle suit over harm to students
Snap, YouTube, and TikTok have settled the first lawsuit of its kind, alleging that social media addiction has cost public schools massive amounts of money, according to Bloomberg. The suit, filed by the Breathitt County School District in Kentucky, claims that social media has disrupted learning and created a mental health crisis, straining budgets. The terms of the settlement have not been revealed yet, and Meta is still facing a trial in the same suit, which is viewed as a bellwether for over 1,000 similar lawsuits across the country
This follows an earlier case, settled by Snap and TikTok, in which a 19-year-old plaintiff claimed significant personal injury due to addictive social media apps. Google and Meta did not agree to a settlement in that suit, and it eventually went to trial, where a jury awarded the plaintiff $6 million. Meta also recently lost a suit brought by New Mexico’s Attorney General, to the tune of $375 million.
Beyond monetary awards, many, including New Mexico, are pushing for significant changes to social media apps to limit their harm to minors. And this is just the start of what’s shaping up to be a busy year for social media lawsuits. According to Bloomberg, lawyers representing school districts said their “focus remains on pursuing justice for the remaining 1,200 school districts who have filed cases.”
Technology
Missed voicemails with no calls? It could be a scam
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It starts quietly. Your phone buzzes. You see a voicemail notification. But your phone never rang. Then it happens again. And again. Before long, your voicemail inbox looks like it’s under attack.
That’s exactly what Mike from Westport, CT, is dealing with right now. He wrote to us saying,
“I am so upset. Every 20 to 30 minutes, I am getting voicemails, but what’s weird is my phone never rings. After blocking the number, it just rolls over to a new source number. When I go to play the message, there is no audio. Is this a scammer just trying to get me to call them back? Not sure what the endgame is here. What can I do to stop this from happening? I really appreciate your help.”
What he is describing is something we’re seeing more often. It may feel random, but there’s a clear pattern behind this voicemail scam and here’s what you need to know to stay safe.
RECEIVING UNEXPECTED INTERNATIONAL CALLS? WHAT YOU NEED TO KNOW
Silent voicemail scams can flood a phone with blank messages even when the device never rings. (Getty Images)
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What the silent voicemail scam actually is
This tactic is often called a silent voicemail scam or ringless voicemail spam. Here’s how it works in plain terms:
- Scammers drop voicemail messages directly into your inbox
- Your phone never rings, so it feels strange and urgent
- The message is blank, garbled or extremely short
- The number changes constantly to avoid blocks
At first glance, it looks like a glitch. That confusion is the point.
What’s really happening behind the scenes
This pattern almost always points to automated robocall systems using caller ID spoofing, not real people manually calling you.
Here’s what’s likely happening:
- Automated dialing systems are repeatedly hitting your number
- They use spoofed or constantly changing caller IDs, which is why blocking one number doesn’t stop it
- Some calls connect briefly, then drop, leaving behind a silent or very short voicemail
- In some cases, the system is “pinging” your number to confirm it’s active
Once a number is confirmed as active, it can be shared across spam networks and used in future campaigns.
Why scammers leave empty voicemails
It seems pointless, but there’s a strategy behind it.
1) They want you to call back
Curiosity does the work for them. Many people return the call just to figure out what happened. When you call back, you may:
- Reach a premium-rate number that charges per minute
- Get routed into a scam call center
- Confirm your number is active and monitored
2) They test if your number is real
Even if you never call back, your voicemail confirms your number is in use. That makes it more valuable for future scams.
3) They try to bypass spam filters
Because your phone never rings, traditional call filters may not catch it. That lets more of these messages slip through.
Why do the numbers keep changing
You block one number, and another appears minutes later. That’s usually a sign of caller ID spoofing and number cycling. Scammers use software to falsify the number that shows up on your phone and rotate through large batches of numbers to stay ahead of blocks and spam filters. Some of those numbers may be completely fabricated, while others may belong to real people whose caller ID information is being misused. Many of those numbers are:
- Fake
- Reassigned or temporarily used
- Tied to real people who have no idea their number is being spoofed
Blocking a single number can still be worth doing, but it usually will not stop the campaign by itself because the caller can keep switching numbers.
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Scammers may use ringless voicemail spam and caller ID spoofing to test whether a phone number is active. (Getty Images)
Is your phone being hacked?
This is one of the first things many people worry about. In most cases, no. These silent voicemails are more likely to be part of a scam call or robocall campaign than a sign that your phone has been hacked. Scammers can use tactics such as caller ID spoofing and ringless voicemail to reach you without making the call feel normal.
The bigger risk isn’t your phone itself. It’s how the scam tries to get you to respond. Calling back, pressing prompts or engaging with the message can confirm that your number is active and may expose you to more scam attempts. The FTC specifically advises people to hang up or delete the voicemail and not call back unknown numbers.
How to stop silent voicemail scams
You don’t have to just put up with it. There are ways to reduce or stop these messages.
1) Do not call back unknown numbers
Even if it feels harmless, skip it. If it’s important, the caller will leave a real message.
2) Enable spam call filtering
On iPhone and Android, turn on built-in call filtering and silence unknown callers. This helps reduce future attempts.
How to enable spam call filtering
On iPhone (latest iOS)
Apple now gives you two strong options: Silence Unknown Callers and Call Screening.
Option 1: Silence unknown callers
- Open Settings
- Tap Apps
- Tap Phone
- Scroll down and turn on Unknown Callers
This sends calls from numbers not in your contacts straight to voicemail without ringing.
Option 2: Turn on Call Screening (recommended)
- Open Settings
- Tap Apps
- Tap Phone
- Scroll down and under Screen Unknown Callers, select Ask Reason for Calling
This feature prompts unknown callers to say who they are before your phone rings, which filters out many spam calls automatically.
Optional: Enable spam identification
- Go to Settings
- Tap Apps
- Tap Phone
- Tap Call Blocking & Identification
- Tap Business Call Identification
- Make sure it is set to ON
This allows your iPhone to show verified business names and logos for legitimate callers when available.
On Samsung
Samsung combines spam protection with AI call screening.
Settings and feature names may vary depending on your Samsung model, carrier and software version.
Option 1: Turn on spam protection
- Open the Phone app
- Tap the three-dot menu (top right)
- Tap Settings
- Tap Caller ID and spam protection
- Toggle it ON
This flags suspected spam calls before you answer.
Option 2: Block unknown callers
- Open the Phone app
- Tap the three-dot menu (top right)
- Tap Settings
- Tap Block numbers
- Turn on Block calls from unknown numbers
This stops hidden or unidentified numbers from ringing your phone.
Option 3: Enable Call Screen (best option)
- Open the Phone app
- Tap the three-dot menu (top right)
- Tap Settings
- Tap Bixby Text Call or just Text Call
- Toggle it ON
This lets your phone answer unknown calls with AI and show you what the caller says in real time.
One important reality check: Even with these turned on, some calls may still go to voicemail. That’s because voicemail is controlled by your carrier, not your phone.
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Unknown voicemail messages that contain no audio may be part of an automated robocall campaign. (Kurt “CyberGuy” Knutsson)
3) Use a call-blocking app
Apps can spot patterns faster than manual blocking and stop repeat offenders. Many of these apps can also identify known scam numbers and automatically block high-risk calls, helping reduce how often your phone gets hit.
4) Contact your carrier
Many carriers offer network-level spam blocking. Ask about tools that block ringless voicemail or robocalls.
5) Use a data removal service
If your number keeps getting hit, it may already be circulating on marketing lists or data broker sites. These data removal services scan for your personal information and help remove it from databases that scammers often tap into. Cutting down where your number appears can reduce how often you get targeted over time. 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
6) Report the activity
You can report unwanted calls and voicemails to the Federal Trade Commission at reportfraud.ftc.gov or by calling 1-877-FTC-HELP (1-877-382-4357). Reports help track and shut down large scam campaigns.
7) Protect your number going forward
Avoid posting your phone number publicly. The less exposure it has, the harder it is for scammers to target you.
8) Register your phone number on the National Do Not Call Registry at donotcall.gov/
This can help reduce telemarketing calls from legitimate businesses, but it unfortunately won’t stop scammers, illegal robocalls, or exempt organizations (like charities and political groups) from calling you. Scammers often ignore the registry and use tactics like number spoofing to bypass it. Want to know more about why your phone still won’t stop ringing and what you can do about it? Check out our article on the ‘Do Not Call’ list loophole.
Kurt’s key takeaways
Silent voicemails are designed to mess with your instincts. They rely on curiosity and confusion, not sophisticated hacking. The best move is simple. Don’t engage. Let them hit a dead end. Over time, that tells the system your number isn’t worth the effort.
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So here’s the real question: If scammers are counting on curiosity to hook you, how often do you think that instinct is working on other people right now? Let us know by writing to us at Cyberguy.com
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Copyright 2026 CyberGuy.com. All rights reserved.
Technology
Xbox is now XBOX
Xbox just allcapsmaxxed: Meet XBOX. This isn’t a joke; Microsoft appears to be actually rebranding Xbox to XBOX. Asha Sharma, Xbox CEO, ran a poll on X earlier this week, asking fans whether Microsoft should use Xbox or XBOX. The results were in favor of XBOX, and the company has now renamed its X account.
Curiously, the Threads and Bluesky accounts for Xbox haven’t been renamed yet, but if Microsoft is going ahead with a rebranding then I expect those will change soon. I asked Microsoft to comment on this potential Xbox rebranding and the company simply referred me to Sharma’s post.
The use of all caps for Xbox is a return to original form, though. Microsoft’s first Xbox logo for its console was all caps, and the company has favored using similar capped versions for the Xbox 360, Xbox One, and Xbox Series X / S console logos.
The apparent rebranding comes just a few weeks after Sharma scrapped Microsoft Gaming and renamed Microsoft’s gaming division back to Xbox. It’s part of Sharma’s continued promise of a “return of Xbox,” which has involved fan-focused console updates, a new Xbox logo, Game Pass pricing changes, and lots more in recent weeks.
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