Hardened-Images

It’s 2026 and I still receive questions from customers and colleagues about why they should adopt a hardened container image catalog, why it matters, and how to justify the investment internally. I hear it from security engineers, from architects, from technical leads at companies that are otherwise doing serious work on their security posture. The honest answer is short: European regulations like DORA and NIS2 require it, and from a purely technological standpoint it is the logical evolution of how we have always managed infrastructure. Both arguments stand independently. Together they leave no room for debate. ...

I’ve already touched the hardened images theme in the past talking how this theme is important in today’s world. Reducing the attack surface of our containers is not just a “nice to have” anymore; it is a fundamental requirement for a secure software supply chain. In an era where vulnerabilities can be exploited within hours of disclosure, starting with a secure base is half the battle. That is why the recent move by Docker is so significant. ...