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What is MAC flooding? How the attack works and why it’s a security risk
Many local networks use devices called switches to move data between laptops, phones, printers, and servers. Instead of sending every piece of data to every connected device, a switch forwards traffic...
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What is an NFC tag, and how does it work? A complete guide
If you’ve ever used contactless payments, entered a building by tapping your phone, or checked out a product with a quick tap, you’ve interacted with Near Field Communication (NFC) tags. NFC power...
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What is password cracking and how can you prevent it?
Password cracking is a technique attackers use to uncover passwords by systematically guessing them or analyzing stolen, hashed password data. Weak or reused passwords make the process far easier than...
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What is eavesdropping in cybersecurity, and how do you prevent it?
Eavesdropping in cybersecurity is when an unauthorized party secretly intercepts digital communications as they travel across a network. Typically, their aim is to collect sensitive information such a...
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What is an open port? A guide to network vulnerabilities
Your devices constantly exchange data across networks. This exchange happens through network ports, which act like numbered doorways that help direct traffic to the right app or service. An open port ...
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How to set up a static IP address (step-by-step guide)
If you need to consistently reach a device, such as a gaming server or a smart-home hub, you don't want its Internet Protocol (IP) address to change in the background. Assigning a static IP gives it a...
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What is MAC address spoofing?
MAC address spoofing is the practice of changing a device’s Media Access Control (MAC) address so it appears to be a different device on a network. Every device that connects to a network, including...
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What is encrypted DNS, and why does it matter?
Every time you visit a website, your device asks a Domain Name System (DNS) server to find the website's IP address. But here’s the catch: traditional DNS requests travel in plaintext, so anyone int...
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What is shimming in cybersecurity, and how can you protect against it?
When you use a device or an app, it doesn’t handle every task by itself. To work properly, it relies on other parts of the same system to do specific jobs. A payment terminal relies on software to p...
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DNS record types explained: A complete guide for privacy
The Domain Name System (DNS) is a core piece of internet infrastructure, responsible for translating domain names into IP addresses so internet traffic can be routed correctly and facilitating communi...