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#authentication

User authentication mechanisms

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OAuth "by the book" doesn't mean secure

OAuth "by the book" doesn't mean secure

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2 min read
Clickjacking Still Targets Approval Buttons: A Checklist for Login Teams

Clickjacking Still Targets Approval Buttons: A Checklist for Login Teams

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3 min read
Validate the JWT audience claim

Validate the JWT audience claim

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1 min read
One email code, two simultaneous requests: which providers prevent double redemption?

One email code, two simultaneous requests: which providers prevent double redemption?

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1 min read
Πώς λειτουργεί το Authentication με Microsoft Entra ID στο ASP.NET Core

Πώς λειτουργεί το Authentication με Microsoft Entra ID στο ASP.NET Core

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2 min read
Supabase "Error sending confirmation email" (500): what it means and the 6 causes

Supabase "Error sending confirmation email" (500): what it means and the 6 causes

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5 min read
ASP.NET Core Authentication Endpoints: Why I Built AuthEndpoints

ASP.NET Core Authentication Endpoints: Why I Built AuthEndpoints

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6 min read
Beyond Passwords: A Practical Guide to Passkeys in 2026

Beyond Passwords: A Practical Guide to Passkeys in 2026

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2 min read
Social Sign-In JWT Verification: Surviving Key Rotation Without Authentication Outages

Social Sign-In JWT Verification: Surviving Key Rotation Without Authentication Outages

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8 min read
OAuth Email Verification Needs a Proof-Carrying Test

OAuth Email Verification Needs a Proof-Carrying Test

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5 min read
OAuth State Needs a Replay Boundary

OAuth State Needs a Replay Boundary

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5 min read
Two RouterOS Bugs, One Escalation Path: What CVE-2026-67277 and CVE-2026-86060 Mean for Edge Routers

Two RouterOS Bugs, One Escalation Path: What CVE-2026-67277 and CVE-2026-86060 Mean for Edge Routers

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4 min read
The Bug That Sat Fixed for Three Years: Proxmox VE's Authentication Bypass and the Cost of Unsupported Hypervisors

The Bug That Sat Fixed for Three Years: Proxmox VE's Authentication Bypass and the Cost of Unsupported Hypervisors

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3 min read
Node.js Email Verification Needs Atomic Tokens

Node.js Email Verification Needs Atomic Tokens

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5 min read
We changed one timeout from 30 to 480 and back to 30. In between, it stopped meaning the same thing

We changed one timeout from 30 to 480 and back to 30. In between, it stopped meaning the same thing

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19 min read
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