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
PAYROLL SCAM HITS US UNIVERSITIES AS PHISHING WAVE TRICKS STAFF
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
Google’s Nest Thermostat has hit its best price of the year
If you’re looking for a relatively affordable way to cut down on cooling costs, Google’s Nest Thermostat can help. It’s packed with smart controls and energy-saving features, and right now it’s on sale in white for $79 ($50 off), which is its best price of the year, at Amazon.
The smart thermostat is quick to install and makes it easy to adjust your home’s temperature whether you’re relaxing in bed or on your way home thanks to the Google Home app. You can also create schedules and control it with your voice using Google Assistant, Alexa, or another Matter-compatible voice assistant.
Once it’s set up, the Nest Thermostat can automatically turn the temperature down when you’re away to help reduce unnecessary energy use, while Google’s Savings Finder feature suggests additional ways to save over time. It also monitors your HVAC system and can alert you if something doesn’t seem right, making it easier to stay on top of maintenance before small issues become bigger, more expensive ones. If you’re eligible, Nest Renew can also automatically shift some of your heating and cooling to times when electricity is cleaner or cheaper.
That said, this is Google’s entry-level model from 2020, so you do miss out on some of the premium features found on the latest Nest Learning Thermostat. Unlike the flagship version, it won’t learn your schedule automatically over time, for example, and lacks support for Nest Temperature Sensors that let you prioritize the temperature in a specific room. Even so, if all you want is an easy way to adjust your home’s temperature remotely and potentially lower your energy bills, the Nest Thermostat is still a solid investment at this price.
Technology
Medical identity theft follows you into the doctor’s office
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The Justice Department recently charged 455 people in its annual National Health Care Fraud Takedown. The cases involve more than $6.5 billion in alleged false claims. More state Medicaid units took part than in any prior year. Ninety of the accused are doctors or other licensed medical professionals. The DOJ says prosecutors still must prove the charges in court.
Many schemes used other people’s medical identities. Prosecutors also added aggravated identity theft charges in cases across dozens of states. In one case, the co-owner of a Virginia mental health company allegedly paid homeless people with hotel stays. Prosecutors say the company used their Medicaid numbers, then billed Medicaid for crisis services the patients never got.
For the people whose numbers got used, the case file may eventually close. Their medical records may not be so easy to fix. Once someone else’s treatment shows up under your name, it can add wrong information to your chart. It can also use up insurance benefits you may need later. That is harder to undo than canceling a credit card.
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DR OZ WARNS MEDICARE SCAMMERS ARE STEALING BILLIONS — AND YOUR PERSONAL INFORMATION COULD BE NEXT
Medical identity theft can put someone else’s claims, prescriptions or diagnoses into your health records, creating problems that can follow you into a doctor’s office. (iStock)
The identity thief’s treatment gets written into your file
Medical identity theft happens when someone uses your name, Social Security number (SSN), health insurance account number, or Medicare number to see a doctor, fill a prescription, buy medical equipment, or submit a claim, according to the Federal Trade Commission (FTC).
When care is billed under your name, the thief’s health information can blend into yours. The FTC warns that mixed records can affect the care you’re able to get and the benefits you are able to use. A blood type, a drug allergy, a diagnosis, or a prescription that belongs to a stranger can sit in the file a physician reads before treating you.
Data breaches can feed the market for medical identity theft
Hospitals and insurers hold the exact records that make the fraud work, and those records are stolen often. This does not mean every healthcare breach leads to fraud. However, it explains why your insurance number, Medicare number, SSN and medical records can become valuable long after a breach notice arrives.
This spring, NYC Health + Hospitals reported that an intruder had copied files that may have included health insurance information, medical information, biometric data, billing data and other personal information. The breach was later reported to affect roughly 1.8 million current and former patients and employees.
Once a name, SSN, insurance number, Medicare number or medical record reaches a criminal marketplace, it can be resold to operators who bill under someone else’s identity.
Treat your insurance card like a credit card
Your health insurance and Medicare numbers are what these operations need, so the FTC recommends guarding them the way you would a payment card.
- Keep enrollment forms, benefit statements, and prescription labels somewhere secure, and shred them before throwing them out.
- When a doctor’s office asks for your SSN, ask whether it can use another identifier or the last four digits instead.
- Be wary of anyone who calls, texts, or emails offering free braces, genetic tests, or medical supplies in exchange for your Medicare number; several of the schemes in the June takedown billed Medicare for exactly those items.
- If you are on Medicare, create or log in to your secure Medicare account and review your claims. You can also check your Medicare Summary Notice for services, supplies or equipment you do not recognize. If something looks wrong, call 1-800-MEDICARE.
HOSPICE FRAUD USES STOLEN IDENTITIES FOR FAKE PATIENTS
Experts urge patients to treat insurance cards like credit cards and quickly challenge unfamiliar medical bills, claims or benefits notices. (iStock)
Your credit report may never flag this fraud
Because a fraudulent medical claim runs through insurance and provider systems instead of a credit check, it skips the alerts most people rely on.
Here’s what the FTC says you should look out for:
- A bill or an Explanation of Benefits (EOB) statement for care you never received
- A call from a debt collector about a medical debt you do not owe
- A medical collection you do not recognize on your credit report
- A notice from your insurer that you have reached your benefit limit
- A Medicare Summary Notice that lists services, supplies or equipment you never received
What to do first if a medical claim looks wrong
If a bill, EOB or Medicare notice shows care you never received, move quickly and keep everything in writing.
1) Call your insurer or Medicare directly
Call your insurer or Medicare using the number on your card, not a number from a random text, email or voicemail.
2) Get the claim details
Ask for the provider name, date of service, claim number and service details.
3) Request the records in writing
Contact the provider in writing and request the medical or billing records tied to that claim.
4) Report the error
Report the error to your insurer’s fraud department.
5) File an identity theft report
File a report at IdentityTheft.gov if your medical identity was used. That gives you a recovery plan and documentation you may need if fraudulent bills or collections show up later.
6) Save every document
Keep copies of every bill, EOB, letter, portal message, police report and case number.
Correcting a medical file is slower than disputing a charge
Request your records from every provider, clinic, pharmacy, lab and insurer the thief may have used, then report each error in writing. Under HIPAA, a provider generally has 30 days to give you access to your records after a written request, with a possible 30-day extension.
Fixing the record itself can take longer. HHS says a covered provider or health plan usually has up to 60 days to act on a request to amend a medical record, with a possible 30-day extension in certain cases. If the provider or plan created the wrong information, it must amend inaccurate or incomplete information.
There’s one catch, though: a provider may refuse to release records that now contain a stranger’s information, citing that person’s privacy. If that happens, ask for the provider’s privacy officer or patient advocate. You can also file a complaint with the U.S. Department of Health and Human Services Office for Civil Rights if you do not get your records or an explanation within the required window.
TEXAS DATA BREACH HITS 3M LICENSE CUSTOMERS
Stolen Medicare, Medicaid or insurance numbers can be used to bill for care, medical equipment or prescriptions patients never received. (kali9/Getty Images)
A credit freeze alone won’t stop a claim under your insurance
A freeze blocks new accounts, but it does nothing about a claim filed with your insurance number. Because medical identity theft can move without touching your credit file, monitoring where your personal information appears is the earliest way to act on it.
An identity theft protection service can monitor the dark web, data broker sites and people-search sites for exposed SSNs, driver’s license numbers, medical ID numbers and email addresses. It can also track all three credit bureaus for medical collections that may follow and flag public-record changes tied to your name.
If misuse happens, some services include fraud resolution support to help you request records, dispute fraudulent claims and work with providers, insurers and credit bureaus. Some plans also include identity theft insurance for eligible recovery costs.
No service can prevent every misuse of your medical identity. However, ongoing monitoring may flag exposed information before another person’s treatment reaches your records and your insurance.
See my tips and best picks on Best Identity Theft Protection at CyberGuy.com.
Kurt’s key takeaways
Medical identity theft hits in a place most of us rarely check: our health records. A stolen credit card can usually be canceled quickly. A stolen Medicare or insurance number can create fake claims, wrong diagnoses and benefit headaches that follow you long after the fraud case ends. I would not wait for a credit alert here. Check your EOBs, Medicare Summary Notices and insurer portals for visits, prescriptions or equipment you never received. Also, treat your insurance card like a payment card. Do not give the number to anyone who calls, texts or emails out of nowhere with a free offer. The most important thing is to act fast. Call your insurer or Medicare, ask for the claim details and request your medical records in writing. Then file at IdentityTheft.gov, so you have the paperwork you need if fraudulent bills or collections show up later.
Have you ever spotted a medical bill, insurance claim or EOB for care you never received? Let us know by writing to us at CyberGuy.com.
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- Plus, you’ll get instant access to my Ultimate Scam Survival Guide free when you join.
Copyright 2026 CyberGuy.com. All rights reserved.
Technology
Meta is reportedly working on smart glasses that would be recording all the time
Meta might be the next company to make an always-on AI wearable. The company is working on prototype “super sensing” always-aware smart glasses that could continuously record audio and snap photos “every few seconds,” according to the Financial Times. The wearer could then ask Meta AI about the captured audio and images.
However, the images and audio might not be directly available to the user. Here’s how the FT describes one way the glasses could use the data:
In one proposed system, raw footage and audio would not be stored by Meta or made available to the user, several people said. Instead, the metadata from that audio and images would be extracted and uploaded to the server for Meta’s AI to query, which proponents argue would have fewer privacy implications.
But currently, Meta is planning for the LED recording indicator to remain off in “super sensing” mode, the FT reports. In a July 2025 whitepaper, the company said that it would reserve the LED indicator for “active capture” scenarios where the user is saving photos or videos, and leave it off during “AI Feature” use — such as scanning a menu — to avoid users becoming too used to the indicator. (If the indicator was on during the “super sensing” mode, it might also be harder to know when the glasses are actually recording video.)
Meta is also discussing if it would use the captured data for training its AI models. It may also bring the “super sensing” features to glasses it has already released, the FT says.
“While we don’t comment on internal prototypes, we’re committed to getting our glasses right because they need to be loved by both people wearing them and those around them,” Meta spokesperson Dave Arnold says in a statement to The Verge. Arnold also notes that “Our approach has been to develop new technologies that will help people throughout their day, with privacy built in from the ground up.”
Meta hasn’t been shy about some type of always-aware glasses being a possibility. CEO Mark Zuckerberg, in the company’s Q1 2026 earnings call, said that he was “really excited to see the glasses evolve from being able to answer questions to being able to be a personal agent that’s with you all day long, helping you remember things and achieve your goals.” In a March blog post about new Ray-Ban Meta glasses, the company wrote that “with ongoing software updates, Meta AI on glasses will transition from something you have to prompt with a question each time, to a more continuous, in-the-moment assistant that can help throughout the day.”
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