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July 10, 2025

Top multi-factor authentication apps to protect your accounts

Hackers often exploit reused passwords, gaining access to multiple accounts if just one is compromised. To stay safe, use strong, unique passwords for every account and change them regularly. However, passwords alone aren't enough. That's where multi-factor authentication apps come in.

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Multi-factor authentication (MFA) adds an extra layer of protection to your accounts. Instead of relying only on a password, MFA requires you to verify your identity using two or more methods. These can include SMS codes, authenticator apps, or physical security keys.

Two-factor authentication (2FA) is a type of MFA that uses exactly two verification methods. MFA, on the other hand, can involve two or more factors. For example, logging into your bank might require a password and a code from an app-this is MFA in action.

Not all websites and apps support every type of MFA, so your choice may depend on what's available. Here's how the main options compare:

Many banks use SMS for two-factor authentication because it's easy to set up and works on any phone. However, SMS is not the most secure method. Authenticator apps and physical security keys offer better protection against modern threats.

Unfortunately, there's no universal MFA solution for every account. The best approach is to use the strongest MFA method each service supports. Whenever possible, choose an authenticator app or a physical security key over SMS.

Using a multi-factor authentication app is one of the best ways to protect your online identity. Here are some of the top-rated options available for iPhone and Android:

The Microsoft Authenticator app gives you an easy, secure sign-in experience for all your accounts and gives you additional account management options for your Microsoft personal, work, and school accounts. It can use multi-factor authentication with a one-time passcode, can go password-less by using your phone instead of a password to log in, or can use autofill passwords for you. It's easy to use and can keep multiple accounts safe and secure for you.

Twilio Authy is another great app that you can use for all your accounts, including Facebook, Dropbox, Amazon, Gmail, and thousands more. It provides secure cloud-encrypted backups so that you will never lose access to your accounts, even if you lose your device. The app uses the same algorithms as many banks and the NSA use to protect their information, so you can pretty much guarantee that you'll be safe. Plus, you can even use it if you're offline or in airplane mode.

The Google Authenticator app will give you an extra layer of security for your online apps. You can sync your authenticator codes to your Google Account and across your devices. It offers support for multiple accounts, and you can transfer accounts between devices by using a QR code. Plus, you can choose the type of code generation used that best suits your needs, and it works without a network or cellular connection.

The Aegis Authenticator app is a free option for Android users. It is a great app to protect your online accounts from hackers and phishing. It adds an extra layer of security by generating one-time codes that you need to enter alone with your password. This way, even if a hacker steals your password, they won’t be able to access your account with your phone. The Aegis Authenticator app also lets you customize and organize your accounts, backup and restore your data, and use it offline.

While multi-factor authentication adds critical protection, it works best when combined with strong, unique passwords for every account. That’s where a password manager comes in. Instead of trying to memorize dozens of complex passwords, a password manager securely stores them for you and automatically fills them in when needed. It can generate strong, random passwords, store them in an encrypted vault, and sync across your devices so you always have access. Using NordPass along with multi-factor authentication is one of the best strategies to keep your accounts and personal data safe from hackers.

Get more details about my best expert-reviewed Password Managers of 2025 at Cyberguy.com/Passwords.

Keeping your accounts safe doesn't have to be complicated. By using multi-factor authentication apps, you're adding a strong layer of protection that goes beyond just passwords. These apps make it much harder for hackers to get in, even if they somehow learn your password. Ready to take your security up a notch?

Have you tried using an authenticator app? What has your experience been like? Let us know by writing us at Cyberguy.com/Contact.

July 10, 2025

AI brain scan tool predicts how fast you are aging

Our bodies change as we get older, and one undesirable result is that we become more vulnerable to age-related issues. Particularly, old age is characterized by a significant physical and mental decline. But why is it that some people thrive in their later years, while others face several health challenges prematurely? It's as if some people age faster than others.

To get to the bottom of this, scientists from Duke, Harvard, and the University of Otago have unveiled a game-changing tool called DunedinPACNI. It uses a single AI brain scan to reveal how fast a person is biologically aging. It's changing the way we track aging and the long-term health risks associated with it.

The DunedinPACNI was named after the Dunedin Study, which followed over 1,000 people since their birth in the 1970s. Researchers analyzed decades of data, looking at factors like blood pressure, BMI, cholesterol, glucose, kidney function, and even dental health, to come up with a unique "aging score" for each participant. The new MRI-based AI brain scan can predict this score with surprising accuracy from a scan taken at age 45.

Participants whose aging scores were faster showed early signs of memory-related brain changes, such as shrinkage of the hippocampus. Follow-up studies of people aged between 52 and 89 showed that those aging rapidly were 60% more likely to develop dementia, 18% more likely to be diagnosed with chronic illnesses, and 40% more likely to die within the same period compared to those who were aging at a slower pace. This data shows that brain aging and overall physical decline are closely linked.

The team believes DunedinPACNI could change the landscape of preventive medicine. If it were possible to spot health risks early through an AI brain scan, at-risk individuals might be motivated to make healthier lifestyle changes (e.g., diet, exercise, and stress management). It could also help healthcare providers evaluate the effectiveness of treatment and slow the progression of age-related diseases.

The DunedinPACNI is a great tool that offers a non-invasive and powerful window into biological aging that traditional blood tests never could. A single AI brain scan provides a lifetime of health insights. It comes at a much-needed time as chronic diseases are on the rise. It may just be one of the key ingredients in predicting health outcomes and coming up with personalized wellness strategies.

Have you considered advanced tools like MRI scans for preventative healthcare? Let us know by writing us at Cyberguy.com/Contact.

July 10, 2025

Fake agent phone scams are spreading fast across the US

A disturbing wave of fake agent phone scams is sweeping across the United States, catching people off guard and draining their savings. These criminals do not just pretend to be someone you trust; they impersonate federal agents, threaten arrest, and demand payment on the spot. As the schemes become more sophisticated, the FBI and other law enforcement agencies are issuing urgent warnings. Moreover, the scams are spreading rapidly and becoming increasingly difficult to spot.

Often, it begins with a phone call that appears legitimate. The number might display familiar initials, such as "FBI," "US Marshals," or even your local police department. Scammers use spoofing technology to fake caller IDs, making the call look official. During the call, the scammer creates panic with claims like:

To avoid immediate legal trouble, victims are often instructed to pay immediately, usually through prepaid gift cards, cryptocurrency ATMs, or wire transfers. These demands are designed to be untraceable and irreversible. Importantly, the US Marshals will NEVER call you to collect money, the agency emphasized in a public warning.

Reports of these calls have come in from New York, Illinois, Virginia, and nearly every other state. Some victims have lost thousands of dollars. In Michigan, scammers increased their credibility by using the real names and ranks of local officers. Meanwhile, in Maryland, suspects posing as FTC agents even showed up in person twice to collect cash. This scam is not limited to phone calls. Text messages, known as "smishing" attacks, are also on the rise. One version targeted iPhone users with fake DMV payment demands. According to cybersecurity firm Guardio, smishing surged 773% in just one month.

Why fake agent phone scams succeed and how they manipulate trust

Fraudsters know how to exploit fear effectively. They count on the fact that most people will do almost anything to avoid arrest or protect a family member. By spoofing official numbers, they undermine our first line of defense: trust. However, it is not just about technology. Experts also warn of an emotional manipulation crisis. These scammers don't just steal your money, they steal your identity too. As a result, victims feel violated, scared, and uncertain about whom to trust.

Concerns are growing about how far these scams could go. Law enforcement and cybersecurity experts warn that scammers may soon use:

While there's no direct evidence of those advanced tactics yet, experts agree they're coming, and fast.

These scams are designed to trigger panic and override your judgment. But a few simple actions can protect you and your loved ones from falling victim. Stay sharp, stay skeptical, and follow these smart steps:

If someone calls claiming to be from a government agency and demands money, don't explain or ask questions; just hang up. Real law enforcement will never ask for payment over the phone, and they won't threaten you into silence.

No legitimate government agency will ever ask you to settle a legal issue with a prepaid gift card or a trip to a Bitcoin ATM. These are hallmark signs of a scam, designed to move your money fast and leave no trace.

The number on your screen might look official, but spoofing technology can fake any number, even 911 or the FBI. If the caller creates pressure or fear, hang up and verify using an official number from the agency's website.

Even if you don't fall for the scam, reporting it can help authorities track these operations. Contact your local FBI field office, your state's Attorney General, or file a report at reportfraud.ftc.gov. Every report helps build a stronger case.

Scammers often target people who are more likely to believe a false threat, especially seniors or non-native English speakers. Have a conversation with family and friends so they know what to look out for and what to do if they receive a suspicious call or message.

Many scammers do their homework before making contact. They might already know your name, address, or even a relative's name to sound more convincing. Using a reputable personal data removal service can reduce the chances of your private information being misused. The less data available online, the fewer hooks criminals have to grab onto.

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/Delete.

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Some scams are shifting from voice calls to text messages. If you receive a message claiming to be from the DMV, IRS, or law enforcement, don't click any links. These texts (known as "smishing" attacks) can trick you into entering personal info or downloading malware.

The best way to safeguard yourself from malicious links that install malware, potentially accessing your private information, is to have antivirus software installed on all your devices. This protection can also alert you to phishing emails and ransomware scams, keeping your personal information and digital assets safe.

Get my picks for the best 2025 antivirus protection winners for your Windows, Mac, Android & iOS devices at CyberGuy.com/LockUpYourTech.

These criminals are getting smarter, but so can we. Staying informed and understanding what real law enforcement will never do is key to protecting yourself and your family. Authorities will not threaten you over the phone, demand gift cards or cryptocurrency, or ask you to prove your innocence with money. If something feels off, trust your gut. Also, spread the word, because the more people who know, the harder it is for these criminals to succeed.

Should the government be doing more to protect us from fake agent phone scams? Let us know by writing us at Cyberguy.com/Contact.

July 10, 2025

Want better relationships? Try adding more emojis to your texts

Ever wondered why some texts just feel warmer and more engaging? The secret might be in those tiny, colorful emojis you sprinkle into your messages. Emojis aren't just playful add-ons; they're powerful tools for building stronger connections in our increasingly digital world.

A recent study led by Eun Huh at The University of Texas at Austin put this idea to the test. Researchers asked 260 adults to read text conversations that were identical except for one thing: the presence of emojis. Participants then rated how responsive and engaged their conversation partner appeared to be.

The results? Messages with emojis made people feel their partners were more attentive and emotionally engaged. This perceived responsiveness led to greater feelings of closeness, higher relationship satisfaction, and even increased likability. And it didn't matter whether the emoji was a smiley face or a simple object; what mattered was that it matched the tone of the message.

Emojis act as digital body language. In face-to-face conversations, we rely on tone, facial expressions, and gestures to show we care. In texts, emojis fill that gap by adding emotional nuance and clarity. They can make your intentions clear, reduce misunderstandings, and help your messages feel more personal and warm.

Interestingly, the type of emoji, whether a smiling face or a random object, didn't make a difference in how responsive the sender seemed. What matters most is that the emoji is emotionally consistent with your message. So, don't stress over picking the "perfect" emoji; just make sure it fits the mood of your text.

While emojis can sometimes be ambiguous or misunderstood, especially in sarcastic or complex conversations, their overall impact is positive. They're a modern twist on age-old ways of adding nonverbal cues to written messages, like underlining or using exclamation marks. And with billions of emojis sent every day, they're clearly here to stay.

In a world where so much of our communication happens through screens, finding ways to stay emotionally connected is more important than ever. Emojis offer a simple, effective way to show attentiveness and warmth, making your texts and your relationships stronger.

Do you feel like you are missing out on deeper love and connection just because you’re not sending enough emojis? Let us know by writing us at Cyberguy.com/Contact.

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From Our Blog

Top multi-factor authentication apps to protect your accounts

AI brain scan tool predicts how fast you are aging

Fake agent phone scams are spreading fast across the US

Want better relationships? Try adding more emojis to your texts

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