Think twice before using public computers: Here’s why

Have you ever found yourself in a pinch when you need to check your email or print a document while you’re out and about? Maybe you’re traveling and need to send a quick message. Or maybe you’re at a coffee shop and want to catch up on work. Public computers in libraries, hotel lobbies, or Internet cafes may seem like a savior in times like these. But wait a minute. Before we start typing, let’s discuss why you should think twice before using these shared machines.

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The sneaky dangers of public computers

1) Disruption caused by malware

Here are the situations you may face: You’re checking social media on a computer in a library, cafe, or hotel lobby, but little do you know that there are digital gremlins lurking in the background. yes, malware on public computers. These pesky programs can steal passwords, personal messages, and even financial information faster than you can say “identity theft.”

2) Privacy? What kind of privacy?

Using a public computer is like having a conversation in a crowded room. Chances are everyone can hear (or see) what you’re doing. The browsers on these machines may be set to remember all your actions. Do you have your search history, saved passwords, and embarrassing social media videos you’ve watched? Everything is available to the next user.

Library shared computer (Kurt “Cyber ​​Guy” Knutson)

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3) Session hijacking

Imagine logging into your email and staying logged in for a cup of coffee. In that split second, a tech-savvy criminal could hijack your active session and gain full access to your account without requiring a password. Without you knowing, they can impersonate you to send emails, access your contacts, or worse.

4) Shoulder surfing

Public computers are often located in crowded areas where everyone can get a glimpse of the screen. Seemingly innocent bystanders can memorize passwords, credit card details, and other sensitive information as you type. This low-tech but effective method of information theft is surprisingly common.

5) Danger of USB ports

Is that a convenient USB port on a public computer? It may secretly contain a “USB killer,” a device that can boot your external drive or smartphone if you plug it in. Even worse, it may be set to automatically copy data from connected devices.

6) Fake login page

Cybercriminals sometimes set up convincingly fake login pages on public computers. You think you’re logging into your account, but you’re actually handing your credentials directly to the hacker. these Phishing attempt It’s incredibly sophisticated and can be difficult to find.

7) Screen capture software

Some public computers may have screen capture software installed that periodically takes screenshots of your activity. This means that even if you are careful what you type, sensitive information you see on your screen can be captured and stored.

8) Compromised Hardware

Software isn’t the only thing you need to worry about. hardware keylogger – A small device that records every keystroke – can be physically attached to a public computer and is unobtrusive. These devices can capture everything you type, from passwords to private messages.

By understanding these hidden risks, you can better protect yourself when using public computers. Remember, it’s always better to be cautious when it comes to shared machines.

Library shared computer (Kurt “Cyber ​​Guy” Knutson)

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Best practices for public computers

Well, sometimes you have to use a public computer. Understood. But be careful to leave digital breadcrumbs so bad guys can’t track you down.

• Run in incognito mode: always use private browsing mode. It’s like wearing an invisibility cloak for your internet activities.
• Logout, logout, logout: Please double check that you are signed out of all accounts before exiting.
• Avoid sensitive items. Please, don’t use public computers to check your bank account or make purchases online. Save it for safe home settings.
• USB note: Thinking about connecting a USB drive? Think again. This is an easy way to contract a digital virus.
• Erase your footprints: Delete your browsing history, cache, and downloaded files. Leave no trace.

People operating computers in the library (Kurt “Cyber ​​Guy” Knutson)

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How to erase traces after using a public computer

Here’s how to cover your digital footprint with different browsers when using public computers. Be sure to do this before logging out.

chromium:

• Start. Google Chrome browser on your computer.
• Click. three points in the top right corner of your browser window.
• tap history
• Scroll down and click Delete your browsing data.
• In the dialog that appears, forever Select from the time range dropdown.
• check all boxes Depending on the type of data you want to erase, Browsing history
• Please click Delete data to complete the process

Firefox:

• Click. Menu button (3 lines) in the top right
• choose setting
• tap Privacy and security
• under Cookies and site dataclick Clear data (Select History, Cookies, Site Data, and Temporary Cached Files and Pages)

Safari:

• click safari in the top menu
• choice Clear history
• choose all history from the dropdown menu
• click Clear history

corner:

• Click. three points in the top right
• go to setting
• tap Privacy, search, and services
• under Delete browsing dataclick Please select what to clear
• choice all options and click Clear now

What happens if I use my device on public Wi-Fi?

Using your own device is definitely safer than a public computer, but do so with caution. Public Wi-Fi It can still be a digital minefield. Here’s how to stay safe when surfing on public networks.

1) Use a VPN. Using a VPN can help protect you from tracking and identify your potential location on the websites you visit. Many sites can read your IP address and, depending on your privacy settings, may show you the city you are communicating from. A VPN spoofs your IP address and displays a different location. For the best VPN software, read my expert review of the best VPNs to browse the web privately. Windows, Mac, Android, iOS devices.

2) Use strong antivirus software: The best way to protect yourself from malicious links that can install malware and access your personal information is to install antivirus software on all your devices. This protection also warns you about phishing emails and ransomware scams, keeping your personal information and digital assets safe. Get my picks for the best antivirus protection products of 2024 for Windows, Mac, Android, and iOS devices.

3) Avoid sensitive transactions: Still not the best place for online banking or shopping. Save it for your secure home network.

4) Keep your software up to date. Annoying update notifications? They often contain important security patches. surely Please update software Regularly on all your devices.

5) Use two-factor authentication. 2FA It’s like putting a second lock on your digital door.

By taking these precautions, you can greatly minimize the risks associated with using public Wi-Fi. When accessing open networks, always choose a personal device with appropriate security measures rather than a public computer. If you choose to use your own device, this is highly recommended, but please consider not using it. Public Wi-Fi In exactly such an environment. instead, iPhone or android As a mobile hotspot for a more secure connection.

Person using mobile phone as hotspot for laptop (Kurt “Cyber ​​Guy” Knutson)

Public library benefits

Dealing with the potential pitfalls of public computers can be daunting, but your local library offers a wealth of free digital resources that can enhance your online experience without any risks. It has been. From borrowing e-books and audiobooks through apps like Libby and Hoopla to accessing free movies and career advice through Kanopy and LinkedIn Learning, libraries are a treasure trove of valuable services. Curious about the tech goodies your library has to offer? Check out our article on library freebies.. You might be surprised at what’s available.

Library shared computer (Kurt “Cyber ​​Guy” Knutson)

Cart important points

We’ve covered a lot here, from the sneaky dangers of public computers to the do’s and don’ts of using public Wi-Fi. The bottom line? Be careful, be smart, and always prioritize digital safety. Remember that public computers and Wi-Fi can be a lifesaver in a pinch, but they’re not without risks. If you must use it, follow our tips to minimize exposure. However, please use your own devices and secure networks whenever possible.

Have you ever faced a security issue while using a public computer or Wi-Fi? If so, how did you handle the situation? Email us. Cyberguy.com/Contact.

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