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Smartwatch security: How to protect your data and privacy
Smartwatches are powerful devices that offer a window into your personal life. They collect sensitive data like your physical activity, messages, and payment information. As they connect to ever more ...
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The 7 pillars of zero-trust security
Zero trust is a security model based on the assumption that threats exist both within and outside a system. In a zero-trust model, you trust no one until they’ve been adequately authenticated, and e...
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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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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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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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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
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 probably attest to how...
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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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How to disable end-to-end encryption in WhatsApp
WhatsApp’s end-to-end encryption is there to keep your chats private, so only you and the person you're messaging can read them. But there might be times when you want to change those settings. Mayb...
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What is an AI PC? Everything you need to know before buying
As computing becomes increasingly AI-dominated, upgrading to an AI PC can be a worthwhile investment. While your current computer might handle daily tasks with ease, it’s possible that you could ben...