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Diceware passwords: How to create secure and memorable passphrases
Strong passwords are often difficult to remember, while memorable ones can be easy to guess. Diceware offers a solution for creating strong passwords that are easier to remember than random character ...
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What is ChaCha20, and how does it work?
Every time you send a message, make an online payment, or log into a secure service, encryption is working behind the scenes to keep your data private. One of the algorithms doing this job today is Ch...
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MacBook security: Complete guide to protecting your privacy and data
MacBooks come with powerful security features, like Gatekeeper and XProtect. Combined with smart privacy settings and good security habits, these features help keep your data safe and your personal in...
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What is the Caesar cipher? Definition, history, and examples
Over 2,000 years ago, Julius Caesar had his own way of keeping sensitive messages out of enemy hands. This ancient code, known as the Caesar cipher or Caesar encryption, is one of the earliest known e...
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How to implement zero trust
Zero trust represents a shift in how organizations protect what matters most. With cyber threats growing, adopting zero trust helps you stay ahead and protect your business from serious harm. The core...
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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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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 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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DoS vs. DDoS attacks: Key differences and how to protect yourself
Ever heard the terms "DoS" and "DDoS" thrown around when people talk about cyberattacks? They sound similar (and they are), but there’s an important distinction between the two that can mean the dif...
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Space cybersecurity: What it is and why it matters
A morning like any other. You tap your phone for a rideshare and check the forecast before going out. These actions rely on satellites that orbit hundreds or even thousands of kilometers above you. If...