Security Engineering Insights
Deep technical articles on immutable infrastructure, Zero Trust, supply chain security, identity, and modern Linux engineering from the LIBUX team.
Why Immutable Linux Improves Enterprise Security
Traditional mutable operating systems accumulate drift, enable persistent malware, and make auditing nearly impossible. Learn how immutable infrastructure eliminates these entire threat categories.
Building Digital Sovereignty with Open Source
National digital sovereignty requires control over software supply chains, infrastructure, and identity. Open-source software provides the foundation for building truly sovereign systems.
Recent Articles
Understanding Zero Trust on Linux
Implementing NIST SP 800-207 Zero Trust Architecture on Linux requires coordinated identity, device attestation, network policy, and continuous monitoring working together.
Beyond Passwords: Modern Authentication in 2025
Passwords are the weakest link in enterprise security. FIDO2, passkeys, hardware security keys, and biometrics provide phishing-resistant authentication for modern infrastructure.
Software Supply Chain Security with Sigstore
The SolarWinds and XZ Utils incidents demonstrated that software supply chains are critical attack vectors. Sigstore, Cosign, SBOM, and SLSA provide the tools to secure them.
Linux Kernel Hardening Best Practices
A comprehensive guide to hardening the Linux kernel with KASLR, CFI, seccomp, module signing, and memory protections for enterprise deployments.
Building Secure Kubernetes Platforms
Kubernetes security requires hardened nodes, pod security standards, network policies, image signing, and runtime detection working together in a coherent security architecture.
Secure Boot Explained: From UEFI to TPM
Secure Boot, Measured Boot, TPM attestation, and kernel lockdown work together to ensure your system boots into a known, trusted state every time.