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Securing Docker Containers: Lessons Learned from a Data Loss Incident

Docker Security

Introduction We had set up MongoDB as a Docker container for a project and hosted it on our infrastructure server. We chose to use a Docker container for ease of deployment and management. However, one morning, we discovered that the MongoDB data was gone, prompting us to investigate the cause. Investigation Upon further investigation, we found that the ports exposed from the Docker container to the host were accessible from the world, even when the server was secured with UFW…

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