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DNS hijacking and how to prevent it
DNS hijacking is a cyberattack that silently reroutes your internet traffic. Attackers can use this tactic to steal sensitive data, inject malware, display unwanted ads, or block access to specific si...
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What is a zip bomb, and how can it harm your system?
Zip bombs may look like tiny, harmless files, but they pose a real threat. Imagine receiving a zip file in an email—just a few kilobytes in size—that looks perfectly harmless. Then, when you open ...
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PPTP VPN (Point-to-Point Tunneling Protocol): What it is and how it works
Point-to-Point Tunneling Protocol (PPTP) is one of the oldest VPN protocols still in use today. However, compared to more modern alternatives, like OpenVPN, WireGuard, and ExpressVPN’s proprietary L...
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SSL VPN: What it is and why it matters
SSL VPN (Secure Sockets Layer Virtual Private Network) is a tool many organizations rely on to secure remote work sessions and manage access to resources. But what exactly is an SSL VPN, and how does ...
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What is my DNS? How to check and find your DNS server
When you want to access a website or online platform, you type the address into your internet browser, like “www.example.com.” But have you ever wondered how your computer is able to access that s...
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Brute force attack: What it is and how to prevent it
A brute force attack is exactly what it sounds like: instead of looking for a secret way into your accounts, attackers just try thousands of different combinations until they find one that works. They...
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What is a replay attack? How it works and ways to prevent it
Think of a replay attack as cybercrime’s version of a movie rerun—only this one can empty your bank account or unlock your secure systems. In a replay attack, cybercriminals don’t need to decode...
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Bluejacking explained: What it is and how to stay safe
Plenty of people use Bluetooth daily. You might have Bluetooth headphones for your phone or send files via Bluetooth to friends and family. But did you know that same technology can be used against yo...
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How to access the dark web safely and anonymously
The websites and online platforms that you find via your search engine are actually only a small part of the internet. There are many more sites hidden away in a part of the internet called the deep w...
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What is a web proxy, and how does it work?
Think you're browsing privately? Think again. Most websites can see your real IP address, track you with cookies, and log your activity—unless you take extra steps like using a proxy or VPN. Web pro...