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War Story: How Docker 28 Container Breakout Exposed 2026 Customer Data – Remediation Steps

DEV Community·ANKUSH CHOUDHARY JOHAL·6 months ago
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On March 12, 2026, a misconfigured Docker 28.0.1 runtime allowed an unprivileged container to escape into the host, exposing 4.7 million customer records across 12 enterprise tenants in under 14 minutes. We lost $2.1M in regulatory fines, churned 18% of our top-tier customers, and spent 11,000 engineering hours remediating the gap. Here’s exactly what happened, the code that broke, and the steps we took to never let it happen again.

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