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What is lattice-based cryptography, and why does it matter in the post-quantum era?
It’s easy to forget how much our lives depend on encryption. Every time you log into your bank account, send a message, or save a password, there’s some heavy-duty math working quietly in the back...
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How to change sensitive-content settings on social media
All kinds of content can pop up on social media feeds. Some of it is perfectly innocent and family-friendly, but some of it can be explicit or sensitive in nature, and not all social media users may w...
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All you need to know about end-to-end encryption in WhatsApp (2025 guide)
WhatsApp locks every personal chat, call, photo, and video with end-to-end encryption (E2EE). Only you and the person you talk to hold the cryptographic keys, so nobody in the middle, including WhatsA...
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How to set up a VPN on iPhone: Complete step-by-step guide
Your iPhone has built-in support for virtual private networks (VPNs), but setting one up isn’t always intuitive. Whether you’re using a VPN app or need to configure it manually, this guide will wa...
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What is post-quantum cryptography?
Quantum computers might still feel like something out of sci‑fi, but they’re improving fast, and one day, they could break the encryption schemes we rely on to keep the internet secure. That’s w...
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How to delete your Facebook account: A step-by-step guide
Thinking about leaving Facebook for good? Whether you’re concerned about privacy or simply want to cut down on distractions, shutting down your account is a big step. This guide will teach you how t...
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What is bloatware, and how can you remove it?
Bloatware is a term that can refer to any unimportant app or service on your phone, although it’s most frequently applied to unwanted pre-installed apps. These apps consume important system resource...
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How to set up and use Pretty Good Privacy (PGP) for secure communication
Pretty Good Privacy (PGP) is one of the most effective email and file encryption protocols, but its complexity makes it inaccessible for most people. If you’ve ever tried to use PGP before, you can ...
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What is email tracking? How it works and how to stop it
Every day, billions of emails get opened, clicked, and quickly forgotten. But many of them come with invisible tools that quietly tell the sender when you opened the email, where you were, what device...
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What is spam risk, and how can you stop these calls?
That “Spam Risk” notification on your phone is more than an annoyance. It’s a warning that an unknown caller might be a telemarketer, a robocaller, or a scammer. These interruptions disrupt your...
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