Docker Makes Hardened Images Free in Container Security Shift

Docker has made its catalogue of more than 1,000 hardened container images freely available under an open source Apache 2.0 licence, removing previous commercial restrictions and potentially raising the overall security baseline for containers. These Docker Hardened Images are built on Debian and Alpine, strip out unnecessary components to minimize attack surface, include SBOMs and cryptographic provenance, and aim to reduce vulnerabilities by up to 95 percent compared to traditional images. The move responds to escalating supply chain threats and includes additional tooling such as Hardened Helm Charts and hardened servers for AI workloads. Docker will continue to offer enterprise tiers with SLAs for faster CVE remediation and extended lifecycle support, while the free offering enhances accessibility for all developers. 

https://www.infoq.com/news/2025/12/docker-hardened-images/

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