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Architecting Secure etcd Encryption: Analyzing the Vault Kubernetes KMS v2 Beta
Introduction Securing secrets at rest within a Kubernetes cluster has historically been a complex …
RefluXFS: The Silent Linux Kernel Bug Giving Hackers Root Access (CVE-2026-64600)
A local user with zero admin rights. A race condition hiding in the Linux kernel since 2017. Within …
Audit Logs You Can Trust
In Structured Logging for Node.js, I covered how to turn scattered console.log calls into structured…
Multi-Tenancy Architecture for SaaS
In Organizations, Teams, and Invitations we got people into the right organization: memberships, rol…
Handling File Uploads Securely
In Adding Full-Text Search, we let users search across their own data. File uploads are the natural …
Securing Your SaaS API
In Organization and Multi-Tenant Authentication we got a user logged into the right organization and…
Organization and Multi-Tenant Authentication
In the previous article we settled how a session gets created, stored, and refreshed. That covers a …
Session Management and Token Storage
In Multi-Factor Authentication (MFA) I covered proving who a user is at login: passwords plus a seco…
Multi-Factor Authentication (MFA)
Last time in this series, I covered Adding OAuth and Social Login, which let users sign in with an i…
Adding OAuth and Social Login
In Role-Based Access Control (RBAC) in a SaaS we sorted out what a user is allowed to do once they'r…
Role-Based Access Control (RBAC) in a SaaS
In Refresh Tokens Done Right we got a user safely authenticated and kept them signed in without leak…
Refresh Tokens Done Right
In JWT Authentication in NestJS I covered issuing and verifying access tokens: signing a JWT, puttin…