What Is a Man-in-the-Middle Attack? Simple Explanation
A man-in-the-middle attack means someone secretly sits between you and who you think you're talking to, reading or altering everything. Here is how it works and how to stop it.
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What Is a Man-in-the-Middle Attack? Simple Explanation
A man-in-the-middle attack means someone secretly sits between you and who you think you're talking to, reading or altering everything. Here is how it works and how to stop it.
Read more →What Is End-to-End Encryption? Plain English Explanation
End-to-end encryption means only you and the person you're talking to can read your messages. Not the app, not the company, not anyone in between. Here is how it works and where it matters.
Read more →Why Security Questions Are Weak (And What to Do Instead)
Your mother's maiden name is not a secret, and your first pet is on Facebook. Here is why security questions are one of the weakest links in account security, and how to neutralise them.
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What Is a Recovery Email? Why It's the Master Key to Everything
A recovery email is the address services use to get you back into a locked account. It is also the single most powerful account you own, and the one attackers want most.
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What Is an otpauth URI? The Text Behind Every 2FA QR Code
Every 2FA QR code hides an otpauth:// link. Here is what each part of it means, how to read one, and why understanding it makes you better at managing and backing up your 2FA.
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What Is a One-Time Password (OTP)? Plain English Definition
An OTP is a password that works exactly once. Here is what that means, the difference between the SMS, TOTP, and HOTP kinds, and why one-time is so much safer than reusable.
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Percent Encoding vs URL Encoding: Are They the Same Thing?
People use the terms interchangeably, but there is a precise relationship worth knowing, plus the encodeURI vs encodeURIComponent trap that breaks real URLs. Here is the clear version.
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How to Verify a SHA-256 Checksum on a Downloaded File
That SHA-256 string next to a download isn't decoration. Here is how to check it on Windows, Mac, and Linux, what it proves, and why it matters for security.
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vCard QR Codes: Put Your Contact Details on a Business Card
One scan drops your name, phone, email, and website straight into someone's contacts. Here is how vCard QR codes work, how to make one, and how to use them on cards and email signatures.
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