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What is DNS cache poisoning? How to detect and prevent attacks
When you visit a website, your device relies on cached Domain Name System (DNS) records to quickly resolve the domain name to an IP address. These cached records are meant to reduce the time needed to...
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What is phishing-resistant MFA, and why does it matter?
Multi-factor authentication (MFA) is widely used to keep accounts secure. Traditional MFA methods include one-time passwords (OTPs) sent via email, SMS, or automated voice call, but these can be vulne...
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How to open ports on your router
Your router controls how data moves between your home network and the internet. When you open a website, stream a movie, or play an online game, that traffic passes through numbered entry points calle...
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What are anonymous proxies, and how do they work?
Tools like anonymous proxies claim to provide “total anonymity” by redirecting your online activity through a proxy server. But what level of privacy do they really provide? In this guide, we’ll...
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What is a “scam likely” call, and how to block it?
Your phone rings, and "scam likely" pops up on the screen. That simple warning might have just protected you from falling victim to fraud or identity theft. But what prompts a call to be labeled as a ...
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What is a data warehouse? A complete guide for secure data management
Data warehouses are the backbone of modern analytics. They store large amounts of structured data from various sources, allowing organizations to analyze information, identify trends, and make data-dr...
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The ultimate guide to recursive DNS: Everything you need to know
The internet runs on a complex system called the Domain Name System (DNS) that turns human-readable domain names into machine-readable IP addresses. A recursive DNS server is a vital part of this syst...
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What is OIDC (OpenID Connect)? A complete guide to understanding the identity layer
Every time we sign in to a new app or website, we share personal details like usernames, passwords, or contact information. Each login creates another opportunity for that data to be exposed, making s...
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What is a P2P VPN, and how does it work?
When you use a virtual private network (VPN), you’re trusting a company’s app and servers to protect your data. A peer-to-peer (P2P) VPN challenges that model with a different idea: what if the us...
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Types of DNS servers: Everything you need to know
Every device connected to the internet, from servers to your smartphone, has a unique numerical IP address. Since these number strings are impractical for people to remember, the Domain Name System (D...
