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📰 Dev.to · Gernard Cerma

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QRVA: A protocol for cryptographic verification of physical QR codes — design decisions and open questions
Dev.to · Gernard Cerma 🔐 Cybersecurity ⚡ AI Lesson 5mo ago
QRVA: A protocol for cryptographic verification of physical QR codes — design decisions and open questions
Physical QR codes have no trust layer. When your phone decodes a QR sticker on a parking meter, it...
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Animated Cryptographic QR Codes: Killing Screenshot Attacks at the Display Layer
Dev.to · Gernard Cerma 🔐 Cybersecurity ⚡ AI Lesson 5mo ago
Animated Cryptographic QR Codes: Killing Screenshot Attacks at the Display Layer
What if the QR code on your screen was alive? Not alive in the "it links to a website" sense. Alive...
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Passwordless Login Needs Less Than Passkeys
Dev.to · Gernard Cerma 🔐 Cybersecurity ⚡ AI Lesson 5mo ago
Passwordless Login Needs Less Than Passkeys
Passwords are broken. This is not a hot take. Every security professional, every developer who has...
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