Learn how to spot scams that pop-up on your screen – and how to close your browser

This article originally published September 2015 – updated March 2017, February 2025

Malicious advertisements or links can redirect your web browser to webpage designed to look like an official warning from Microsoft or Apple. The fake warnings often have the following characteristics:

  • Tell you that there’s a problem with your computer, it’s been blocked, and you need to call the number presented immediately to prevent harm
  • Tell you NOT to turn off your computer
  • The warnings are often accompanied by scary alert sounds or spoken messages.
  • Your mouse and/or keyboard may become non-responsive.
If you look closely at the “security warning” you will notice that it’s just a webpage designed to scare people into calling the number.

How to “unblock” your computer and get rid of the scare message

NEVER call the number presented on the screen – scammers claiming to be Windows, Apple or tech support representatives will try to gain access to your computer to convince you that you have security problems that you need to pay to have fixed.

Try the following steps in order to close the scare/scam window:

  1. Try closing your browser using the keyboard. Here’s a few a few methods to try:
    • Hold down the [Ctrl] key, then press the [W] key. On a Mac, hold down the [Command ⌘] key, then press the [W] key.
    • Press and HOLD the Esc key (located on the upper-left corner of the keyboard)
    • On a Windows PC, press the Alt + F4 key simultaneously.
    • On a Windows PC, simultaneously press and hold the [Ctrl]+[Alt]+[Del] keys on your keyboard, select Task Manager, select your web browser, then “End Task”. On a Mac use [Command]+[Option]+[Esc], select your web browser, then select “Force Quit”.
  2. If unsuccessful, on your Windows computer try to shut down or restart your computer via the Start button icon along the bottom left taskbar: If the fake warning website covers your full screen where you cannot see the Start button icon, use your keyboard and press the Windows key [  or ] located at the bottom left corner of your keyboard, which should bring the Start menu to the foreground. You should then be able to use your mouse to navigate to Power > Shut Down/Restart.
  3. If none of the above methods work, do the opposite of what the scare page says: Turn off your computer by pressing and HOLDING the power button. After HOLDING down the power button for at least 5 seconds, the computer should shut off.
  4. After your computer is off, leave it off for at least a minute. Then briefly press the power button to turn it back on.
  5. If one of the above steps works to close the scare page and regain control of your browser or computer, you should be good to continue using your computer. However, don’t immediately go back to the website or email that redirected you to the scare page before, and don’t restore your previous browser session if prompted.
  6. If the scare page comes back after powering off your computer, it is likely going to sleep rather than completely powering off when holding down the power button for at least 5 seconds. Try powering it off again. If the message still appears, contact us for assistance. Again, never call the number on the screen.

How does the fake pop-up occur?

On a virus-free computer these pop-ups can occur when you mistype a web address, click a search link which redirects you to the malicious website, or a malicious advertisement can redirect you. If your computer already has adware or malware these pop-ups may occur when you visit any website whether or not the site is malicious or not. If you see pop-ups similar to those pictured while logged into your financial websites, contact Computer Techs right away for computer service. We also advise you to have an alternative web browser installed on your computer in case you are unable to use your primary browser.

Browsers now including scareware protection

In late 2024, Microsoft announced the intention to include scareware protection in their Edge browser. Other browsers such as Chrome, Firefox and Safari will likely follow with protections of their own. Read: Stand up to scareware with scareware blocker, now available in Microsoft Edge.

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Why You Should Choose an App Over a Website on Your Mobile Device

In today’s digital age, we often find ourselves debating whether to use a mobile app or a website for everyday tasks like shopping, banking, or simply staying informed. While websites are versatile and easily accessible, mobile apps offer unique advantages that make them the better choice for many activities on a smartphone or tablet. Here are the top reasons why you should consider using an app over a website on your mobile device:

1. Enhanced User Experience

Mobile apps are specifically designed for use on smaller screens, providing a more intuitive and seamless experience compared to websites. They often include:

  • Optimized Navigation: Apps prioritize usability, offering clear menus and touch-friendly interfaces.
  • Faster Performance: Since apps store some data locally, they can load content quicker than websites.
  • Tailored Interactions: Gestures like swiping, pinching, and tapping make interactions smoother and more engaging.

2. Offline Accessibility

One of the biggest advantages of apps is their ability to function without an internet connection. While websites require continuous connectivity, many apps allow you to:

  • Access previously loaded content.
  • Use offline features such as note-taking, viewing downloaded media, or tracking fitness progress.

3. Personalization and Notifications

Apps excel in delivering a personalized experience. They use data such as your preferences, usage patterns, and location to tailor content and recommendations. Additionally, push notifications keep you informed about:

  • Exclusive deals and offers.
  • Important updates or alerts.
  • Reminders for tasks or upcoming events.

4. Better Integration with Device Features

Mobile apps seamlessly integrate with your device’s hardware and software, enhancing functionality. For instance:

  • Camera and GPS: Apps can use these features for tasks like scanning a barcode, scanning documents, tracking your location, or enhancing augmented reality experiences.
  • Biometric Security: Apps often support fingerprint or facial recognition for secure and quick access.
  • Instant Sharing: Apps make it easy to share content via social media, email, or messaging platforms.

5. Improved Security

While websites can be secure, apps generally offer an additional layer of safety by leveraging device-level security features. Examples include:

  • Encrypted storage for sensitive information.
  • Two-factor authentication and biometric login.
  • Automatic updates to patch vulnerabilities.

6. Customized Ecosystems

Apps can create an integrated environment tailored to your needs. For instance:

  • Banking apps streamline bill payments, transfers, and account management in one place.
  • Health and fitness apps provide goal tracking, exercise plans, and progress reports.

7. Superior Performance for Frequent Use

If you frequently use a service, an app can save time and effort compared to repeatedly accessing a website. Apps store your login credentials, preferences, and often preloaded content, providing a faster and more efficient experience. Apps are also readily available on your home screen, providing instant access with a single tap. This eliminates the need to search for the website in your browser, saving you time and effort.

Conclusion

While websites are indispensable for certain tasks, mobile apps provide a level of convenience, personalization, and functionality that is hard to match. By leveraging the unique capabilities of your device, apps not only simplify tasks but also enrich your overall digital experience. Whether it’s shopping, banking, fitness, or entertainment, choosing an app can often make your mobile interactions faster, easier, and more enjoyable.

Understanding Two-Factor Authentication (2FA): Enhancing Your Online Security

With the rise in cyber threats and data breaches, protecting your online accounts is more crucial than ever. One of the most effective ways to secure them is through Two-Factor Authentication (2FA). This guide explores what 2FA is, how it works, and why it’s essential for safeguarding your digital identity.

What is Two-Factor Authentication (2FA)?

Two-factor authentication is an extra layer of security used to verify that a user attempting to log into an online account is who they claim to be. Instead of relying solely on a password, 2FA requires a second piece of information—a second “factor”—which can only be obtained by the rightful account owner.

2FA factors typically fall into three categories:

  1. Something you know – like a password or PIN.
  2. Something you have – like a mobile device or a security key.
  3. Something you are – biometrics like a fingerprint, facial recognition, or voice.

With 2FA, you’ll need two of these factors to access your account, making it significantly more challenging for cybercriminals to breach it.

How Does 2FA Work?

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Personalize Your Web Browsing Experience: A Guide to Customizing your Web Browser

Your web browser is your digital gateway to the internet. By customizing it, you can tailor your browsing experience to your specific needs and preferences. Whether you prefer Google Chrome, Microsoft Edge or Mozilla Firefox, just because the start/home page defaults to a certain page or website, or you don’t have all the bookmarks/favorites in one browser vs the other, doesn’t mean it has to stay that way. Here’s a simple guide to help you personalize your favorite browser:

Changing Your Home Page

Your home page is the first thing you see when you open your browser. Here’s how to change it:

Google Chrome:

  1. Click the three dots in the top-right corner.
  2. Select “Settings.”
  3. Scroll down to “Appearance.”
  4. Under “Show Home button,” toggle the switch on.
  5. Click “Change” and enter your desired URL.

Mozilla Firefox:

  1. Click the three horizontal lines in the top-right corner.
  2. Select “Options” (or “Preferences” on macOS).
  3. Go to the “Home” tab.
  4. Select “Custom URLs” and enter your desired URL(s).

Microsoft Edge:

  1. Click the three dots in the top-right corner.
  2. Select “Settings.”
  3. Under “Start page,” choose “Custom” and enter your desired URL.

Creating Bookmarks/Favorites

Bookmarks or favorites are shortcuts to your frequently visited websites. Here’s how to create them:

Google Chrome:

  1. Navigate to the website you want to bookmark.
  2. Click the star icon next to the address bar.
  3. Choose a folder or create a new one to organize your bookmarks.

Mozilla Firefox:

  1. Navigate to the website you want to bookmark.
  2. Click the star icon in the address bar.
  3. Choose a folder or create a new one to organize your bookmarks.

Microsoft Edge:

  1. Navigate to the website you want to bookmark.
  2. Click the star icon in the address bar.
  3. Choose a folder or create a new one to organize your bookmarks.

Additional Tips for Customization

  • Customize Your New Tab Page: Many browsers allow you to customize your new tab page with your favorite websites, news feeds, or productivity tools.
  • Adjust Your Browser’s Appearance: Change the theme, font size, and other visual settings to match your preferences.

Also read: You May Not be Using All the Great Features of Your Browser.

By following these steps, you can create a personalized browsing experience that suits your unique needs and preferences.

Top 5 Tech Scams to Watch Out for This Holiday Season

As the holiday season approaches, cybercriminals ramp up their efforts to exploit online shoppers and tech enthusiasts. Here are the top five technology-related scams to be aware of during the holiday season:

  1. Phishing Attacks:
    • What to watch for: Deceitful emails or texts that mimic legitimate companies, often urging you to click on malicious links or download attachments. These can lead to malware infections or identity theft.
    • How to protect yourself: Be cautious of unexpected emails, especially those with urgent requests or suspicious links. Verify the sender’s address and avoid clicking on links or downloading attachments from unknown sources.
  2. Fake Online Stores:
    • What to watch for: Counterfeit websites that mimic popular retailers, offering enticing deals and discounts. These fraudulent sites often steal your credit card information and personal data.
    • How to protect yourself: Shop on reputable websites and verify the URL before entering sensitive information. Look for secure payment gateways (HTTPS) and customer reviews.
  3. Social Media Scams:
    • What to watch for: Bogus giveaways, contests, or surveys on social media platforms that promise valuable prizes in exchange for personal information.
    • How to protect yourself: Be wary of unsolicited offers and avoid sharing personal information on social media. Stick to official company pages and verified accounts.
  4. Tech Support Scams:
    • What to watch for: Unexpected phone calls or pop-up messages claiming to be from tech support, often warning of critical issues with your computer. These scammers may attempt to charge you for unnecessary services or gain remote access to your device.
    • How to protect yourself: Never trust unsolicited calls or pop-up messages. Contact your device manufacturer or internet service provider directly for legitimate tech support.
  5. Gift Card Scams:
    • What to watch for: Requests from friends or family to purchase gift cards for various reasons, often through email or text messages. These requests may be fraudulent, with scammers attempting to steal the gift card codes.
    • How to protect yourself: Verify gift card requests directly with the person, preferably through a phone call or in person. Be cautious of unusual requests, especially if they seem urgent or out of character.

Additional Tips:

  • Keep Software Updated: Regularly update your operating system and security software to protect against vulnerabilities.
  • Use Strong, Unique Passwords: Create complex passwords for all your online accounts and consider using a password manager.
  • Enable Two-Factor Authentication: Add an extra layer of security to your accounts by enabling two-factor authentication.
  • Educate Yourself: Stay informed about the latest scams and cybersecurity best practices.

By being vigilant and following these tips, you can significantly reduce your risk of falling victim to tech scams during the holiday season and beyond.

Also read about other scams that are common year-round.

If you’ve fallen victim to a scam and need help recovering your device, accounts or identity, contact Computer Techs for assistance.

Laptop Battery Bulging: A Cause for Concern

Laptop batteries are essential components that power our devices. However, over time, these batteries can experience issues, one of which is bulging. This phenomenon occurs when the battery’s internal components expand, causing the casing to bulge outward. While it may seem like a minor cosmetic issue, a bulging battery can pose safety risks and should be addressed promptly.

Causes of Laptop Battery Bulging

Several factors can contribute to laptop battery bulging:

  • Overcharging: Repeatedly charging your laptop beyond its maximum capacity can lead to internal damage and swelling.
  • Heat Exposure: Excessive heat, either from the laptop’s internal components or external sources, can cause the battery’s chemicals to degrade and expand.
  • Manufacturing Defects: In rare cases, batteries may have manufacturing defects that predispose them to bulging.

Safety Risks Associated with Bulging Batteries

A bulging laptop battery can pose significant safety risks, including:

  • Fire: In extreme cases, a bulging battery can short-circuit and ignite, potentially causing a fire.
  • Toxic Fumes: Batteries contain harmful chemicals that can be released into the air when they overheat or rupture.
  • Physical Injury: A bulging battery can rupture, causing sharp objects to fly out and potentially injure someone.

What to Do if Your Laptop Battery is Bulging

If you notice that your laptop battery is bulging, it’s crucial to take immediate action:

  1. Unplug and Power Off: Disconnect your laptop from any power sources and shut it down immediately.
  2. Inspect for Damage: Carefully examine the battery for any signs of cracks, leaks, or other damage.
  3. Stop Using the Laptop: Avoid using your laptop until the battery issue is resolved.
  4. Contact the Manufacturer or a Professional: Reach out to the manufacturer or a qualified technician for guidance. They may offer repair or replacement options.
  5. Dispose of the Battery Safely: If the battery is damaged or beyond repair, dispose of it according to local regulations. Many electronics retailers offer recycling programs for batteries.

Preventing Battery Bulging

To help prevent battery bulging, consider the following tips:

  • Avoid Overcharging: Disconnect your laptop from the power source once it’s fully charged.
  • Keep Your Laptop Cool: Use a laptop cooling pad or avoid placing it on soft surfaces that can trap heat.
  • Monitor Battery Health: Pay attention to your battery’s health indicators and replace it if it starts to show signs of degradation.

By understanding the causes, risks, and preventive measures associated with bulging laptop batteries, you can take steps to protect yourself and your device. If you notice any signs of battery bulging, it’s essential to act promptly and seek professional assistance.

What to do if you’ve been notified that your personal information has been exposed in a data breach or is on the dark web

A data breach can be a frightening experience. If it’s the first time you’ve ever been notified that your personally identifiable information (PII) has been exposed, it’s important to take immediate action to protect yourself from potential identity theft or other harm. Here’s a step-by-step guide on what to do:

1. Assess the Damage

  • Review the breach notification: Companies are required by law to inform you about the breach and provide details on what data was exposed. Understand exactly what information was exposed. This could include your name, address, Social Security number, credit card details, login credentials or other sensitive data.
  • PII on the dark web: The dark web is a portion of the internet that is not indexed by search engines like Google. It’s often accessed through specialized browsers like Tor, which helps to mask users’ identities, and it used for both legitimate and illicit activities. You can subscribe to services that can continually monitor the dark web and notify you if your PII is found, but unfortunately there’s no way to remove such information.

2. Consider Freezing Your Credit

  • Contact a credit bureau: Reach out to Equifax, Experian, and TransUnion to place a security freeze on your credit report. This will help prevent new accounts from being opened in your name.

3. Monitor Your Accounts

  • Review your bank and credit card statements: Look for any unauthorized transactions or charges.
  • Check your credit report: Regularly monitor your credit report for signs of identity theft, such as new accounts or inquiries you didn’t authorize. See AnnualCreditReport.com for more information.

4. Secure Your Accounts:

  • Update passwords for affected accounts: If your passwords were compromised, change them immediately. Use secure, unique passwords for each account.
  • Enable two-factor authentication: Add an extra layer of security to your online accounts by using two-factor authentication (2FA), which requires a code sent to your phone or email in addition to your password.

5. Stay Informed

  • Consider credit monitoring or identity theft protection services: The company where your data was exposed may offer to pay for credit monitoring service for a year or two. Companies that offer such service often try to upsell additional paid services such as identity theft protection assistance and/or insurance.

6. Expect phishing attempts in the wake of data breaches

How phishing attempts work:

  • Leveraging Fear: Scammers may send emails or texts claiming to be from the affected company, offering assistance or updates about the breach. These messages often contain a sense of urgency, urging recipients to click on links or provide personal information.
  • Exploiting Stolen Data: If the breach involved the exposure of personal details, scammers may use this information to personalize their phishing attempts, making them seem more legitimate.
  • Offering False Security Measures: Phishing messages may offer “security solutions” or “identity theft protection services” that are actually scams designed to steal additional information.
  • Impersonation Scams: Scammers with information about you may contact you and claim that they are a representative with a governmental agency, financial institution, security department of a well-known company, or even friends or family. To “prove” their legitimacy they will likely tell you information about yourself – such as your social security number or birthdate – in hopes that they will gain your trust.

How to spot phishing attempts:

  • Verify the Sender: Be cautious of emails or texts from unfamiliar senders, even if they appear to be from a legitimate company. Check the sender’s email address carefully for any typos or inconsistencies.
  • Watch for Suspicious Links: Avoid clicking on links in unsolicited emails or texts. Instead, type the URL directly into your web browser to ensure it’s legitimate.
  • Be Wary of Urgent Messages: Scammers often create a sense of urgency to pressure victims into making quick decisions. If you receive a message demanding immediate action, take a step back and verify the information before responding.
  • Never Provide Personal Information: Never share your personal information, such as passwords, Social Security numbers, or credit card details, in response to unsolicited requests.

What’s a legitimate form of notification?

  • Most scams come as an email, text message or phone call. Scammers can use electronic methods inexpensively and fool many people quickly. Phone numbers, websites and email addresses used by the scammers can be changed quickly if needed.
  • A letter in the postal mail is most likely legitimate. The time, effort and expense to send a letter in the mail is most often done by legitimate companies. Letters in the mail usually contain information that can be verified because it does not change from what’s on paper. If it did contain fraudulent information, it would likely be shut down by the time you receive and read the letter receive in the mail.

By following these steps, you can help minimize the damage caused by a data breach and protect yourself from potential identity theft or scams. Remember, remain calm but staying vigilant and taking proactive measures can make a significant difference in your security. Data breaches are a fact of life in today’s interconnected world.

National Public Data Breach Exposes 2.9 Billion Records: How to Check if Your Information Was Exposed

Data Breach graphic

A significant data breach including 2.9 billion records from the company National Public Data has compromised the personal information of many millions of Americans. National Public Data normally sells data to companies for the purpose of background checks, criminal records and more. But it appears that much, if not all of the data they’ve obtained over the years has been leaked. The breach includes sensitive data such as names, addresses, Social Security numbers and birthdates – information that identity thieves and scammers can use to their benefit.

How to Check If You Were Affected:

To determine if your personal information was part of the breach, here are a few trustworthy websites where you can enter some information to check if your data has been exposed:

These websites will require you to provide a portion of your information, and return any remaining data that matches the search inquiry.

What to Do if Your Information Was Exposed:

If your information was exposed in the breach, take the following steps:

  1. Freeze Your Credit: Contact the three major credit bureaus (Equifax, Experian, and TransUnion) to place a credit freeze on your account. This will prevent unauthorized individuals from opening new accounts in your name.
  2. Monitor Your Accounts: Regularly check your bank statements, credit card bills, and other financial records for any suspicious activity.
  3. Report Identity Theft: If you believe your identity has been stolen, file a police report and contact the Federal Trade Commission (FTC) to report the incident.

Staying Informed:

As more details about the data breach emerge, it’s important to stay informed about the situation. Keep an eye on news reports, official government announcements, and updates from the affected companies.

Remember: While this breach is a significant event, there are steps you can take to protect yourself and minimize the potential damage. By following the advice above and staying vigilant, you can help safeguard your personal information.

Check your email login activity to see if hackers are trying to gain access

Your email account is one of the most important online accounts to keep secure and un-hackable. There are two main reasons why checking recent login activity to your email account is a good idea:

  1. Spotting Unauthorized Access: Your email account likely contains sensitive information, personal documents, and access to other online accounts. By checking the login activity, you can see if someone else has accessed or attempted to access your account from an unrecognized location or device. This could be a sign that your account has been compromised through phishing, malware, or a weak password.
  2. Troubleshooting Login Issues: Sometimes, legitimate login attempts from new devices or locations can cause problems. Reviewing your recent activity can help you identify if there were any login attempts around the time you experienced issues accessing your account. This can help you narrow down the cause of the problem.

In short, checking your recent login activity is a proactive way to protect your email security and ensure that only you are accessing your account.

How to check your login activity for major email accounts

Here’s how to check recent login activity on the major email providers:

Gmail:

  1. Open Gmail on your computer.
  2. Look for the “Last account activity Details” link in the bottom right corner of the window and click on it.

Yahoo Mail:

  1. Log in to your Yahoo Mail account.
  2. Click on your profile icon in the top right corner.
  3. Select “Account info” from the menu.
  4. Find the “Recent activity” section and click on it.

Outlook.com / Microsoft:

  1. Log in to your Outlook.com or Microsoft account.
  2. Click on your profile picture in the top right corner.
  3. Select “View account and profile.”
  4. Under “Security info,” click on “Recent activity.”

Important notes:

  • The information displayed typically includes the location (city and country) of the login and the type of device used. However the location may be incorrect if using a VPN or mobile network.
  • If you see any suspicious activity, it’s recommended to change your password immediately. Also consider adding two-step verification to make it harder for hackers to access your account even if they know your password, and adding it before hackers do.
  • Email provided by Internet Service Providers AT&T and Charter/Spectrum do not offer the ability to check your recent activity or setup two-step verification. That’s one reason why we recommend switching away from using email provided by your Internet Service Provider.

Contact us if you need help with securing your email or other online accounts.

What you need to know about “credential stuffing”

Credential stuffing is a cyberattack that exploits stolen login credentials. Online accounts with PayPal, NortonLifeLock, 23andMe, and Roku are just some of the companies that have reported recent attacks on customer accounts. Here’s how it works:

  1. Data Breaches: Attackers obtain large databases of usernames and passwords through data breaches on various websites or services.
  2. Automated Login Attempts: They use these stolen credentials in automated programs to attempt logging in to other unrelated websites or services.
  3. Preying on Reuse: The attackers rely on the fact that many people reuse the same login credentials (username and password) across multiple accounts.

Imagine a thief who finds a box of keys stolen from various houses. They try these keys on different houses in the neighborhood, hoping some will unlock doors – that’s similar to credential stuffing.

Why it works:

  • People reuse passwords: As mentioned, credential stuffing works because many people use the same login information on multiple sites.
  • Large-scale attacks: Attackers can attempt logins on thousands of accounts very quickly using automated tools.

How to protect yourself:

  • Unique passwords: Use strong and unique passwords for every single online account you have. Password managers can be helpful for creating and storing strong passwords.
  • Multi-factor authentication (MFA): Enable MFA whenever available. This adds an extra layer of security by requiring a second verification step beyond just your username and password.
  • Beware of phishing attacks: Phishing attacks can trick you into revealing your login credentials on fake websites. Be cautious of suspicious emails or messages.