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📰 Dev.to · Haven Messenger

36 articles · Updated every 3 hours · View all reads

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RFID Skimming: How Real Is the Threat to Your Contactless Cards
Dev.to · Haven Messenger 📣 Digital Marketing & Growth ⚡ AI Lesson 1w ago
RFID Skimming: How Real Is the Threat to Your Contactless Cards
Walk through any airport and you'll find a rack of RFID-blocking wallets promising to stop a thief...
Memory Tagging (MTE): Hardware That Catches Memory Bugs
Dev.to · Haven Messenger 👁️ Computer Vision ⚡ AI Lesson 1w ago
Memory Tagging (MTE): Hardware That Catches Memory Bugs
Year after year, the major browser and operating-system vendors report the same number: roughly 70...
5G Subscriber Privacy: How SUCI Concealment Fights IMSI-Catchers
Dev.to · Haven Messenger 🔐 Cybersecurity ⚡ AI Lesson 1w ago
5G Subscriber Privacy: How SUCI Concealment Fights IMSI-Catchers
For more than two decades, when your phone introduced itself to a cell tower it could be made to...
BBS Signatures and Anonymous Credentials: Proving Less to Show More
Dev.to · Haven Messenger 🔐 Cybersecurity ⚡ AI Lesson 1w ago
BBS Signatures and Anonymous Credentials: Proving Less to Show More
A government issues you a digital ID containing your name, date of birth, address, and license...
The Cryptographic Doom Principle: Why Order Matters in Encrypt-and-MAC
Dev.to · Haven Messenger 🔐 Cybersecurity ⚡ AI Lesson 2w ago
The Cryptographic Doom Principle: Why Order Matters in Encrypt-and-MAC
A system that decrypts a message before it checks whether the message is authentic has handed the...
Private Set Intersection: Finding What Two Parties Share Without Revealing the Rest
Dev.to · Haven Messenger 🔐 Cybersecurity ⚡ AI Lesson 2w ago
Private Set Intersection: Finding What Two Parties Share Without Revealing the Rest
Private Set Intersection, usually shortened to PSI, is a protocol for two parties who each hold a set...
PASETO vs JWT: A Token Format That Removes the Footguns
Dev.to · Haven Messenger 🔐 Cybersecurity ⚡ AI Lesson 2w ago
PASETO vs JWT: A Token Format That Removes the Footguns
JSON Web Tokens are everywhere, and most of their famous vulnerabilities trace back to a single...
Lattice-Based Cryptography: The Math Behind Post-Quantum Security
Dev.to · Haven Messenger 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Lattice-Based Cryptography: The Math Behind Post-Quantum Security
When NIST chose the algorithms meant to protect the internet from quantum computers, most of the...
Hash-Based Signatures: The Most Conservative Path to Post-Quantum
Dev.to · Haven Messenger 🔐 Cybersecurity ⚡ AI Lesson 3w ago
Hash-Based Signatures: The Most Conservative Path to Post-Quantum
Nearly every digital signature in use today — RSA, ECDSA, Ed25519 — rests on a number-theory problem...
Sybil Attacks: When One Adversary Wears a Thousand Faces
Dev.to · Haven Messenger 3w ago
Sybil Attacks: When One Adversary Wears a Thousand Faces
Most online systems quietly assume that one account equals one person. Sybil attacks break that...
BIMI Explained: The Logo in Your Inbox Is Really a DMARC Enforcement Program
Dev.to · Haven Messenger 📣 Digital Marketing & Growth ⚡ AI Lesson 3w ago
BIMI Explained: The Logo in Your Inbox Is Really a DMARC Enforcement Program
The little brand logos next to emails in Gmail and Apple Mail look like a cosmetic feature. They're...
Zero-Knowledge Proofs: Proving You Know a Secret Without Revealing It
Dev.to · Haven Messenger 1mo ago
Zero-Knowledge Proofs: Proving You Know a Secret Without Revealing It
Suppose you need to prove you are over 18 without showing your birthdate, or that you know a password...
Memory Safety and the C/C++ CVE Crisis
Dev.to · Haven Messenger 1mo ago
Memory Safety and the C/C++ CVE Crisis
Microsoft analyzed a decade of their security bulletins and found roughly 70 percent of critical...
Self-Hosted Password Managers Compared: Vaultwarden, KeePassXC, Pass
Dev.to · Haven Messenger 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
Self-Hosted Password Managers Compared: Vaultwarden, KeePassXC, Pass
Three serious self-hosted password managers have meaningfully different threat models, operational...
HPKE Explained: Hybrid Public Key Encryption (RFC 9180)
Dev.to · Haven Messenger 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
HPKE Explained: Hybrid Public Key Encryption (RFC 9180)
Most cryptographers used to assemble public-key encryption out of spare parts — pick an ECDH curve,...
JWT Security Pitfalls: The Mistakes That Keep Breaking Tokens
Dev.to · Haven Messenger 1mo ago
JWT Security Pitfalls: The Mistakes That Keep Breaking Tokens
JSON Web Tokens look deceptively simple. Three base64-encoded segments, a signature, and you're...
Diffie-Hellman Key Exchange Explained: Sharing a Secret in Public
Dev.to · Haven Messenger 1mo ago
Diffie-Hellman Key Exchange Explained: Sharing a Secret in Public
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OPAQUE: Password Authentication That Never Sends the Password
Dev.to · Haven Messenger 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
OPAQUE: Password Authentication That Never Sends the Password
The standard way to log in — type a password, send it to the server, hope the server hashes it well —...
The Signal Double Ratchet Algorithm, Explained
Dev.to · Haven Messenger 🔐 Cybersecurity ⚡ AI Lesson 1mo ago
The Signal Double Ratchet Algorithm, Explained
The Double Ratchet is the algorithm that powers Signal, WhatsApp, Matrix's Olm, and most modern 1:1...
HKDF: Turning One Secret Into Many, Correctly
Dev.to · Haven Messenger ⚡ AI Lesson 1mo ago
HKDF: Turning One Secret Into Many, Correctly
A common task in applied cryptography looks deceptively simple: "I have a shared secret. I need two...