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• Image scanning and S-bomb generation tools are sensitive to changes in metadata and the quality of the steps involved in building images, and inconsistent results can cause problems for organizations
• Malicious actors can manipulate the results of these tools, causing downstream effects and potentially compromising security
• To prevent attacks, tool makers should adopt a more adversarial approach and provide a more restrictive mode with detection coverage as the focus
• Users of these tools should check for unusual behavior, validate inputs and processes, and consider their threat model when making policy decisions
• Teams should work together to achieve larger goals and reduce toil

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• Harbor is a trusted Cloud native repository for Kubernetes
• It offers multi-tenancy and row-based access control for flexible user permissions
• Policy enforcement includes caller creation, retention policy, and immutability
• Replication and process cache allow for artifact distribution
• Security and compliance are core features with identity access management and P2P capabilities

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• Image signing and verification is crucial for securing the software supply chain and ensuring the integrity of container images
• Datadog's engineering teams use a wide variety of languages and CI/CD configurations, constantly deploying images to tens of thousands of nodes across dozens of Kubernetes clusters, spanning multiple cloud providers and datacenters
• To ease adoption and maintenance of image signing across heterogenous build environments, Datadog takes a service-oriented approach, encapsulating cryptographic complexity within a gRPC signing service
• To verify image signatures at runtime, Datadog uses an image verification plugin system contributed upstream to containerd, instead of using Kubernetes admission controllers
• Datadog's approach balances the need for fast developer feedback and better security properties
• Datadog's approach improves performance and reliability by diverting most of the registry load to the read path and avoiding introducing new cluster-level dependencies

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• Harbor is a trusted cloud-native registry that can store, sign, and scan content
• Harbor supports any OCI-compatible artifacts
• Harbor provides advanced features such as OCI artifact management in cloud environments, management of artifacts and their attachments, recommended settings for high concurrent use, and high availability deployments
• Harbor is highly customizable and can be monitored using Prometheus
• Harbor will deliver system-level robot accounts in addition to project-level robot accounts
• Harbor is an open-source project with a thriving community

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• Containers have become the norm as cloud adoption increases sharply.
• Developers face challenges in making containers production-ready and secure.
• Kyverno and DockerSlim are two projects that address these challenges.
• Kyverno provides policies that act as a contract for shared environments like Kubernetes.
• DockerSlim helps in minifying container images and automating the creation of AppArmor and SecComp profiles.
• The combination of Kyverno and DockerSlim makes cluster security management easier and more efficient.

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• OCI-compliant images offer more portability and plug-and-play capabilities in the DevOps ecosystem
• The end goal is to have a more efficient, modular, and secure system
• OCI is a good packaging format for shipping and storing data, but not for querying vulnerabilities
• Annotations and attestations are important metadata for auditing and security purposes
• Image signing should include the final name of the repository

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• Keep a copy of the software and supply chain artifacts as close as possible to the deployment location
• Automate builds and testing, and generate new supply chain artifacts
• Scan and patch all deployed software, even if it's archived for compliance
• Associate S-bombs and other claims with software versions in the registry
• Add annotations to improve information over time

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• Vulnerability scanning is important in DevOps
• Refining the output of vulnerability scanning tools is necessary for efficient use
• Tools like 3b have flags that can be used to filter results
• Mitigating reported vulnerabilities is often an easy task
• An anecdote is provided to illustrate the process of refining vulnerability scanning output

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• Harbor is an open-source cloud native registry project that resolves image and Helm Chart management challenges
• Advanced features of Harbor include image signature management, image management in a cloud environment, unified management of Helm chart and container images, and highly-available deployments
• The team seeks feedback from users and contributors on current features and future roadmap