Docker Hardened Images: Making Container Security Free and Accessible for Everyone
Introduction Docker has just announced a watershed moment for the container ecosystem: Docker Hardened Images (DHI) are now free and open-source for everyone. This groundbreaking move transforms how developers approach container security, making enterprise-grade protection available to all 26 million developers in the community. Supply-chain attacks have become a critical threat. In 2025 alone, these attacks caused over $60 billion in damage—tripling from just four years ago. Docker’s response is clear: security shouldn’t be a premium feature, and every developer deserves a secure foundation. ...