Technology
New email scam uses hidden characters to slip past filters
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Cybercriminals keep finding new angles to get your attention, and email remains one of their favorite tools. Over the years, you have probably seen everything from fake courier notices to AI-generated scams that feel surprisingly polished. Filters have improved, but attackers have learned to adapt. The latest technique takes aim at something you rarely think about: the subject line itself. Researchers have found a method that hides tiny, invisible characters inside the subject so automated systems fail to flag the message. It sounds subtle, but it is quickly becoming a serious problem.
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NEW SCAM SENDS FAKE MICROSOFT 365 LOGIN PAGES
Cybercriminals are using invisible Unicode characters to disguise phishing email subject lines, allowing dangerous scams to slip past filters. (Photo by Donato Fasano/Getty Images)
How the new trick works
Researchers recently uncovered phishing campaigns that embed soft hyphens between every letter of an email subject. These are invisible Unicode characters that normally help with text formatting. They do not show up in your inbox, but they completely throw off keyword-based filters. Attackers use MIME encoded-word formatting to slip these characters into the subject. By encoding it in UTF-8 and Base64, they can weave these hidden characters through the entire phrase.
One analyzed email decoded to “Your Password is About to Expire” with a soft hyphen tucked between every character. To you, it looks normal. To a security filter, it looks scrambled, with no clear keyword to match. The attackers then use the same trick in the body of the email, so both layers slide through detection. The link leads to a fake login page sitting on a compromised domain, designed to harvest your credentials.
If you have ever tried spotting a phishing email, this one still follows the usual script. It builds urgency, claims something is about to expire and points you to a login page. The difference is in how neatly it dodges the filters you trust.
Why this phishing technique is super dangerous
Most phishing filters rely on pattern recognition. They look for suspicious words, common phrases and structure. They also scan for known malicious domains. By splitting every character with invisible symbols, attackers break up these patterns. The text becomes readable for you but unreadable for automated systems. This creates a quiet loophole where old phishing templates suddenly become effective again.
The worrying part is how easy this method is to copy. The tools needed to encode these messages are widely available. Attackers can automate the process and churn out bulk campaigns with little extra effort. Since the characters are invisible in most email clients, even tech-savvy users do not notice anything odd at first glance.
Security researchers point out that this method has appeared in email bodies for years, but using it in the subject line is less common. That makes it harder for existing filters to catch. Subject lines also play a key role in shaping your first impression. If the subject looks familiar and urgent, you are more likely to open the email, which gives the attacker a head start.
How to spot a phishing email before you click
Phishing emails often look legitimate, but the links inside them tell a different story. Scammers hide dangerous URLs behind familiar-looking text, hoping you will click without checking. One safe way to preview a link is by using a private email service that shows the real destination before your browser loads it.
Our top-rated private email provider recommendation includes malicious link protection that reveals full URLs before opening them. This gives you a clear view of where a link leads before anything can harm your device. It also offers strong privacy features like no ads, no tracking, encrypted messages and unlimited disposable aliases.
For recommendations on private and secure email providers, visit Cyberguy.com
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A new phishing method hides soft hyphens inside subject lines, scrambling keyword detection while appearing normal to users. (Photo by Silas Stein/picture alliance via Getty Images)
9 steps you can take to protect yourself from this phishing scam
You do not need to become a security expert to stay safe. A few habits, paired with the right tools, can shut down most phishing attempts before they have a chance to work.
1) Use a password manager
A password manager helps you create strong, unique passwords for every account. Even if a phishing email fools you, the attacker cannot use your password elsewhere because each one is different. Most password managers also warn you when a site looks suspicious.
Next, see if your email has been exposed in past breaches. Our #1 password manager (see Cyberguy.com) 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 2025 at Cyberguy.com.
2) Enable two-factor authentication
Turning on 2FA adds a second step to your login process. Even if someone steals your password, they still need the verification code on your phone. This stops most phishing attempts from going any further.
3) Install a reliable antivirus software
Strong antivirus software does more than scan for malware. Many can flag unsafe pages, block suspicious redirects and warn you before you enter your details on a fake login page. It is a simple layer of protection that helps a lot when an email slips past filters.
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 2025 antivirus protection winners for your Windows, Mac, Android & iOS devices at Cyberguy.com.
4) Limit your personal data online
Attackers often tailor phishing messages using information they find about you. Reducing your digital footprint makes it harder for them to craft emails that feel convincing. You can use personal data removal services to clean up exposed details and old database leaks.
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.
AI FLAW LEAKED GMAIL DATA BEFORE OPENAI PATCH
Researchers warn that attackers are bypassing email defenses by manipulating encoded subject lines with unseen characters. (Photo by Lisa Forster/picture alliance via Getty Images)
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
5) Check sender details carefully
Do not rely on the display name. Always check the full email address. Attackers often tweak domain names by a single letter or symbol. If something feels off, open the site manually instead of clicking any link inside the email.
6) Never reset passwords through email links
If you get an email claiming your password will expire, do not click the link. Go to the website directly and check your account settings. Phishing emails rely on urgency. Slowing down and confirming the issue yourself removes that pressure.
7) Keep your software and browser updated
Updates often include security fixes that help block malicious scripts and unsafe redirects. Attackers take advantage of older systems because they are easier to trick. Staying updated keeps you ahead of known weaknesses.
8) Turn on advanced spam filtering or “strict” filtering
Many email providers (Gmail, Outlook, Yahoo) allow you to tighten spam filtering settings. This won’t catch every soft-hyphen scam, but it improves your odds and reduces risky emails overall.
9) Use a browser with anti-phishing protection
Chrome, Safari, Firefox, Brave, and Edge all include anti-phishing checks. This adds another safety net if you accidentally click a bad link.
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Kurt’s key takeaway
Phishing attacks are changing fast, and tricks like invisible characters show how creative attackers are getting. It’s safe to say filters and scanners are also improving, but they cannot catch everything, especially when the text they see is not the same as what you see. Staying safe comes down to a mix of good habits, the right tools, and a little skepticism whenever an email pushes you to act quickly. If you slow down, double-check the details, and follow the steps that strengthen your accounts, you make it much harder for anyone to fool you.
Do you trust your email filters, or do you double-check suspicious messages yourself? Let us know by writing to us at Cyberguy.com.
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Copyright 2025 CyberGuy.com. All rights reserved.
Technology
Trump administration is allegedly collecting $10 billion on the TikTok deal
In September, Donald Trump claimed that “the United States is getting a tremendous fee” for brokering the TikTok deal. Now sources tell the Wall Street Journal and the New York Times that fee is expected to be in the range of $10 billion. The money is supposedly being paid by new investors, including Oracle and Silver Lake. Reports are that $2.5 billion was already paid to the Treasury when the deal closed on January 22nd. The rest will be paid out in installments.
This is the latest example of the Trump administration inserting itself into private business in unprecedented ways, including taking on a 10-percent stake in Intel last August, a “golden share” in US Steel, and a 20-percent cut in chip sales from Nvidia to China. In this instance, the deal also involves one of Trump’s biggest supporters and fundraisers, Larry Ellison, co-founder and CTO of Oracle.
If the reporting is accurate, the fee would represent over 70 percent of the deal’s value, which saw a group of investors take a majority stake in TikTok for $14 billion.
Technology
Iran-linked hackers target US medical tech company
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When most people hear about cyberattacks tied to geopolitical conflict, it can seem far away. It sounds like something that happens to governments or giant corporations. Yet the latest cyber incident involving a U.S. medical technology company shows how fragile digital systems can be. Even more important, it raises a question you should all ask yourself: Are you protected against trouble, too?
A hacker group linked to Iran has claimed responsibility for a cyberattack on Stryker, a Michigan-based company that produces medical equipment and healthcare technology used worldwide. Stryker employs about 56,000 people and operates in more than 60 countries, making it one of the largest medical technology companies in the world.
Stryker disclosed the incident in a filing with the U.S. Securities and Exchange Commission, saying the disruption affected parts of its Microsoft environment and that investigators are working to determine the full scope.
The incident appears to be one of the most significant cyber incidents linked to the current conflict so far.
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Laboratory assistants from the company BioNTech wear Stryker medical gear in a clean room at a production site in Marburg, Germany, in March 2021. (Boris Roessler/picture alliance via Getty Images)
What happened in the Stryker cyberattack
According to reports, the attack disrupted parts of Stryker’s global network environment. Reports indicate the outages began shortly after midnight on Wednesday on the East Coast. Employees suddenly discovered that their work-issued phones stopped functioning. Communication across teams stalled as devices became unusable.
ANDROID FIXES 129 SECURITY FLAWS IN MAJOR PHONE UPDATE
The hacker group Handala claimed responsibility on social media platforms, including Telegram and X. However, the claim has not been independently verified. Some employees also reported seeing the hacker group’s logo appear on company login pages during the disruption. In posts online, the group said the attack was retaliation for a bombing at a school in Minab, Iran, though those claims have not been independently verified.
Security experts believe the attackers may have gained access to the company’s Microsoft Intune management console. This platform allows companies to manage corporate devices such as smartphones and laptops remotely. Once inside that system, attackers appear to have triggered a powerful administrative feature. Reports suggest many company-connected phones and laptops were wiped back to factory settings.
Signage at the Stryker Corp. headquarters in Portage, Michigan, on Thursday, March 12, 2026. A cyberattack on Stryker Corp. has kept the medical technology company’s ordering and shipping systems offline as the firm continues to struggle to address a crippling hack claimed by a group linked to Iran. (Kristen Norman/Bloomberg via Getty Images)
How hackers may have used legitimate tools against the company
The attack did not rely on traditional ransomware or malware. Instead, the hackers appear to have used a legitimate system feature in a destructive way. Remote wipe tools exist for good reasons. Companies use them when a device is lost, stolen or retired. However, if attackers gain control of the management console, those same tools can become weapons. Some cybersecurity researchers believe attackers may have accessed the company’s Microsoft Intune device management system, though the exact method of the attack has not been publicly confirmed.
Once the attackers accessed the device management system, they likely triggered remote wipe commands across multiple employee devices. The result looked like a mass reset event that effectively shut down normal operations. Stryker later confirmed it experienced a cybersecurity incident affecting its Microsoft environment. The company said it saw no evidence of ransomware or malware and believes the incident is contained. Stryker said it has activated business continuity measures so it can continue supporting customers and partners while systems are restored.
Iran’s long history of destructive cyberattacks
This type of attack fits into a broader pattern. Iran-linked groups have previously launched some of the most damaging “wiper” cyberattacks on record. These attacks aim to destroy data rather than steal it.
Two notable examples include:
Since the start of the current conflict, cybersecurity companies such as Google and Proofpoint have mostly observed Iranian groups conducting espionage operations. However, the Stryker disruption may signal a shift toward more aggressive actions targeting corporate infrastructure. We contacted both Stryker and Microsoft for comment but did not hear back before our deadline.
Why this matters beyond one company
Large cyber incidents rarely stay isolated. When attackers demonstrate a new method, other groups often study and reuse it. That means techniques used against a corporation today can show up in smaller attacks tomorrow. Small businesses, hospitals and even individuals sometimes become targets when criminals adapt the same tactics. In other words, this story about a medical technology company also carries a warning for everyday digital life.
The logo of Stryker medical technology is seen on their plant in the IDA (Industrial Development Agency) estate, in Carrigtwohill, County Cork, Ireland on March 28, 2025. (Reuters/Clodagh Kilcoyne)
How to protect yourself from cyberattacks and device wipe threats
Cyberattacks against corporations reveal weaknesses that can affect anyone who uses connected devices. A few proactive steps can reduce your risk.
1) Use strong and unique passwords
Never reuse passwords across accounts. If attackers obtain one password, they often test it across many services. Consider using a password manager to generate and securely store complex passwords, so you do not need to remember them. Check out the best expert-reviewed password managers of 2026 at Cyberguy.com
2) Enable two-factor authentication
Adding a second verification step, such as two-factor authentication (2FA), can stop attackers even if they obtain your password.
3) Consider a data removal service
Data broker sites collect and sell personal details that criminals may exploit. Removing that information can reduce your exposure. 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.
4) Install strong antivirus software
Reliable antivirus protection helps detect suspicious activity, phishing attempts and malware before it can spread. Get my picks for the best 2026 antivirus protection winners for your Windows, Mac, Android and iOS devices at Cyberguy.com.
5) Back up important files regularly
If a device is wiped or compromised, backups allow you to restore critical data quickly.
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Kurt’s key takeaways
Cyberattacks once focused mainly on stealing information. Today, many attackers try to disrupt systems, erase data or create chaos. The reported incident involving Stryker shows how hackers can turn everyday administrative tools into powerful weapons. If someone gains access to the right controls, they may not need traditional malware at all. For many people, cyber conflict between countries can seem far away. Yet the same technology involved in those attacks powers the devices and services we rely on every day. Your phone, laptop and cloud accounts all connect to systems that depend on trust and access permissions. That is why digital safety now requires layers of protection. Strong passwords help. Secure devices help. Staying aware of threats helps, too. Preparation can make the difference between a quick recovery and a major disruption. If something unexpected happens, the people who bounce back fastest are usually those who took a few steps to protect themselves in advance.
And that leads to an important question: If your phone, laptop or cloud account were suddenly wiped tomorrow, would you be ready to recover? Let us know by writing to us at Cyberguy.com.
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Copyright 2026 CyberGuy.com. All rights reserved.
Technology
Hulu, Disney Plus, and the Pixel Watch 4 are among this week’s best deals
Happy Saturday, all! This week, we found a number of deals that should help you unwind and relax over the next few days (and beyond). If you’re planning to stream the Oscars on Sunday, there’s still time to take advantage of a great deal on Hulu and Disney Plus, as well as Google’s latest 4K streaming device. Speaking of Google, you can also currently save $60 on the Pixel Watch 4; there are also savings to be had on microSD Express cards, ice cream makers, and a host of other great tech this weekend. So, without further ado, let’s get to it.
Hulu and Disney Plus recently launched a terrific promo that drops the price of the ad-supported bundle for new and returning subscribers to just $4.99 a month ($8 off) through 11:59AM ET on March 24th. That’s the best deal we’ve seen on the bundle since Black Friday and Cyber Monday, and a great way to stream the 98th Academy Awards without paying full price when they air tomorrow, March 15th, at 7PM ET.
In addition to the aforementioned awards show, Disney’s discounted bundle lets you catch up on 2026 nominees like The Secret Agent, It Was Just An Accident, and Elio. You also get access to the rest of Hulu and Disney’s massive catalog of movies and TV shows, which includes everything from Predator: Badlands and Anora to both seasons of Andor and the upcoming second season of Daredevil: Born Again.
If you want a terrific Android smartwatch to keep tabs on your health and fitness goals, the Google Pixel Watch 4 is down to a new low price. You can currently pick up the Wi-Fi-enabled 41mm model for $289.99 ($60 off) at Amazon and Best Buy, or the larger 45mm variant for $339.99 (also $60 off) via the same retailers (Amazon / Best Buy).
Google’s latest wearable offers a wide range of helpful health and fitness tools, allowing you to track your activity, sleep, blood oxygen levels, and heart rate. It can automatically record certain cardio workouts, while dual-frequency GPS enables more accurate navigation in challenging environments, including cities. Being a Google device, the Watch 4 also integrates well with the company’s various services, with support for apps like Google Maps, Google Wallet, and Google Assistant. You can also make hands-free calls with Google Gemini using the raise-to-talk gesture, which is helpful when you’re out for a run.
While the watch works well with most Android phones, it pairs especially nicely with Pixel devices. Pixel phone owners, for example, can use it as a remote shutter for the Pixel camera and take advantage of features like Recorder, which can generate AI-powered summaries of recordings. As an added plus, the screen and battery are both repairable and replaceable, so you won’t necessarily need to buy a whole new watch if either gets damaged.
While many first-party Nintendo Switch 2 games don’t take up a huge amount of space, storage can fill up quickly if you keep adding to your digital library or buy a lot of third-party games, such as Cyberpunk 2077. That makes this a solid deal, as the Switch 2 is limited to 256GB of built-in storage and requires pricier microSD Express cards for storage expansion. Samsung’s card uses the newer microSD Express standard, which delivers superior read and write speeds to traditional microSD cards, helping reduce load times and speed up larger downloads.
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