How We Harden Linux Images for Cloud Marketplaces

Customers evaluating hardened Linux images usually ask the same first question: what exactly was done to this image, and can I trust it? This post outlines the methodology behind our hardening pipeline - not the line-by-line configuration, but the structure, the controls, and the verification model that makes the resulting images auditable and reproducible. Why methodology matters more than the diff A one-off hardened golden image is easy to produce. It is also impossible to maintain, impossible to audit, and impossible to trust across releases. ...

July 4, 2026 · 6 min