--- title: "Calico monthly roundup: December 2023" source: "https://www.tigera.io/blog/calico-monthly-roundup-december-2023/" --- [Company Blog](https://www.tigera.io/category/company-blog/) [Technical Blog](https://www.tigera.io/category/technical-blog/) # Calico monthly roundup: December 2023 By [Laura Ferguson](https://www.tigera.io/blog/author/laura-ferguson/) on Dec 27, 2023 • 5 min read Welcome to the Calico monthly roundup: December edition! From open source news to live events, we have exciting updates to share—let’s get into it! **Tigera has achieved AWS Security Competency status! ![AWS Partner Security and Containers Software Competency badges.](https://www.tigera.io/app/uploads/2023/12/AWS-competency-255x205-1.png)** Tigera has gained a new AWS Security Competency, which we’re proud to add to our already existing AWS Containers Software Competency. Read about the addition of our newest security competency. [Read more](https://www.tigera.io/blog/tigera-has-achieved-aws-security-competency-status/). **Find your Cluster Security Score ![KubeCon CloudNativeCon North America 2023 banner featuring a cat and city skyline.](https://www.tigera.io/app/uploads/2023/11/KubeCon-NA-2023-promo-255x205-1.png)** Calico Cloud is releasing new capabilities for security posture management called Security Scoring and Recommended Actions. Start measuring and tracking your security posture. [Learn more](https://link.tigera.io/ugbJt). **Customer case study: Leader-bet**![LEADER-BET logo with yellow and white text on a blue background.](https://www.tigera.io/app/uploads/2023/12/case-study-Leader-bet-255x205-1.png) Calico provides container security and compliance for online gaming giant, Leader-bet. Read our case study to learn more. [Read case study](https://www.tigera.io/leader-bet-case-study/). ![Blue wireframe outline of a shipping container being lifted.](https://www.tigera.io/app/uploads/2023/10/Container-blog-255x205-1.png)**Comparing NGFW container firewalls with Calico container firewall** Learn how to establish robust firewall policies with just code or a single click for advanced threat protection using behavior-based learning and IDS/IPS integrated with the firewall. [Read blog post.](https://link.tigera.io/uge8q) ## Open source news Calico v3.27 is out 🎉 and there are a lot of new features, updates, and improvements that are packed into this release. Here is a breakdown of the most important changes: - Significant performance improvements, especially for extremely large clusters - Calico VPP data plane is now GA - Calico eBPF data plane now supports IPv6 (tech preview) - Easier Windows cluster operations managed by the Tigera operator (Windows HostProcess Container support) Check out our [release announcement](https://www.tigera.io/blog/deep-dive/whats-new-in-calico-v3-27/) for more information. - **Calico tech blog –** Cluster mesh and pod connectivity across multiple clusters have been hot topics for a while. Check out our latest [tech blog](https://www.tigera.io/blog/deep-dive/what-is-a-kubernetes-cluster-mesh-and-what-are-the-benefits/) that provides you with all the necessary information to build your own cluster mesh. - **Calico Big Cats** - Read stories of Calico Open Source in action from our Calico Big Cats - [Enhancing Kubernetes Networking with Calico and eBPF: A Real-World Benchmark](https://medium.com/@selvamraju007/enhancing-kubernetes-networking-with-calico-and-ebpf-a-real-world-benchmark-4b6042381754) - Welcome to our [new Calico Big Cats](https://www.tigera.io/project-calico/calico-big-cats-ambassador-program/#meet-calico-big-cats) this year! ### Connect - **Community meeting –** Shape the future of Project Calico by attending the next monthly [Project Calico community meeting](https://github.com/projectcalico/community) on January 10th at 9:00 am PT. This event is online and brings you all the updates we are working on to help you with your cloud-native journey. [Join the Zoom meeting](https://zoom.us/j/270294702?pwd=K1dsSEpwUDVPZEozSmJONFNtRXVZUT09). - Join***Calico Big Cats***, Calico’s ambassador program, if you are interested in being a part of our community events and helping us grow the Calico community. [Find out more](https://www.tigera.io/project-calico/calico-big-cats-ambassador-program/). - If you would like to contribute to the Calico Open Source community beyond GitHub, [schedule a conversation](http://www.calendly.com/dhiraj-sehgal) to discuss event opportunities. - Connect with us online: [![Twitter](https://www.tigera.io/app/uploads/2023/05/image7-2.png)](https://twitter.com/projectcalico) [Twitter](https://twitter.com/projectcalico) ![Slack](https://www.tigera.io/app/uploads/2023/05/image12-1.png) [Slack](https://slack.projectcalico.org) ![GitHub](https://www.tigera.io/app/uploads/2023/05/image9-3.png) [GitHub](https://github.com/projectcalico/community) ![GitHub Discussions](/app/themes/tigera2021/dist/img/discussions-icon.svg) [GitHub Discussions](https://github.com/projectcalico/calico/discussions) ## Recent releases - **December 1, 2023 –** [Calico Enterprise 3.18.0-2.0](https://docs.tigera.io/calico-enterprise/3.18/release-notes/#new-features-and-enhancements-early-preview-2) (Early Preview) - **November 29, 2023 –** [Calico Cloud 18.1.0](https://docs.tigera.io/calico-cloud/release-notes/#november-29-2023-version-1810) - **November 25, 2023 –** [Calico Enterprise 3.16.5](https://docs.tigera.io/calico-enterprise/3.16/release-notes/#calico-enterprise-v3.16.5) ## In the news Check out recent Tigera-related coverage. - [Podcast: Security KubeConversations Part 1 – Protecting Your Kubernetes Infrastructure](https://packetpushers.net/podcast/d2c224-security-kubeconversations-part-1-protecting-your-kubernetes-infrastructure/) *from Day Two Cloud (Packet Pushers)* - [Network Security Priorities For Containers, According To Today’s IT Pros](https://www.cybersecurity-insiders.com/network-security-priorities-for-containers-according-to-todays-it-pros/)*from Cybersecurity Insiders* - [Experts Talk: Predicting the Cybersecurity Landscape in 2024](https://www.spiceworks.com/it-security/security-general/articles/cybersecurity-predictions-2024/) *from SpiceWorks* - [Kubernetes Goes Mainstream? With Calico, Yes](https://thenewstack.io/kubernetes-goes-mainstream-with-calico-yes/)*from The Makers Podcast (The New Stack)* ***➔ To see all coverage and to read Tigera’s press releases, visit our [Newsroom](https://www.tigera.io/media/).*** ## Learning resources ![Tutorials](https://www.tigera.io/app/uploads/2023/05/image4-3.png) **Tutorials** Hands-on experience at your pace. Use our self-paced tutorials to learn how to address common security and observability challenges for containers and Kubernetes. [See available tutorials here](https://www.tigera.io/tutorials/). ![Help Center](https://www.tigera.io/app/uploads/2023/05/image8-1.png) **Help Center** Our Help Center is an important technical resource for users and customers of Calico Cloud and Calico Enterprise. The Help Center contains technical articles to help you install, configure and manage your Calico solution. [Access the Help Center here](https://www.tigera.io/calico-support/). ![O’Reilly eBook Cover - Kubernetes security and observability](https://www.tigera.io/app/uploads/2023/05/image6-1.png) **O’Reilly eBook** Kubernetes security and observability: A holistic approach to securing containers and cloud-native applications – Learn why you need a holistic security and observability strategy for containers and cloud-native applications, and new cloud-native approaches for establishing security and observability for applications running on Kubernetes. [Get your free copy here](https://link.tigera.io/ueIrI) ### Blogs - [Implementing tenant isolation in multi-tenant Kubernetes clusters](https://www.tigera.io/blog/deep-dive/implementing-tenant-isolation-in-multi-tenant-kubernetes-clusters/) - [What you can’t do with Kubernetes network policies (unless you use Calico): Policies to all namespaces or pods](https://www.tigera.io/blog/deep-dive/what-you-cant-do-with-kubernetes-network-policies-unless-you-use-calico-policies-to-all-namespaces-or-pods/) - [What is a Kubernetes cluster mesh and what are the benefits?](https://www.tigera.io/blog/deep-dive/what-is-a-kubernetes-cluster-mesh-and-what-are-the-benefits/) - [Enabling Workload-Level Security for Kubernetes with Cisco Secure Firewall & Calico Egress Gateway on AWS](https://www.tigera.io/blog/deep-dive/enabling-workload-level-security-for-kubernetes-with-cisco-secure-firewall-calico-egress-gateway-on-aws/) ***➔ [Explore all Tigera blogs](https://link.tigera.io/ueStL)*** ### Guides - [CWPP](https://www.tigera.io/learn/guides/cnapp/cwpp/) - [Kubernetes Multi Cluster](https://www.tigera.io/learn/guides/kubernetes-networking/kubernetes-multi-cluster/) - [Container Vulnerability Scanning](https://www.tigera.io/learn/guides/container-security-best-practices/container-vulnerability-scanning/) ### White papers - [Networking, security and observability for multi-cluster Kubernetes environments](https://www.tigera.io/lp/cluster-mesh-calico/) - [Using access controls for containerized workload protection](https://link.tigera.io/ufF6K) - [7 security best practices for DevOps managing workloads in EKS](https://www.tigera.io/lp/7-security-best-practices-for-devops-managing-workloads-in-eks/) ***➔ [Explore all white papers](https://www.tigera.io/resources/?_sft_types=white-paper)*** ### Certifications - [Certified Calico Operator: Azure Expert](https://academy.tigera.io/course/certified-calico-operator-azure-expert/?utm_source=newsletter&utm_medium=web&utm_campaign=azure_certificate) – Gain experience using the Calico–Azure integration through hands-on labs. By the end of this course, you will know more about Azure cloud, as well as managed, self-managed, and hybrid cluster deployment using Calico in Azure. - [Certified Calico Operator: Level 1](https://academy.tigera.io/course/certified-calico-operator-level-1/)– Understand how Kubernetes networking works, how to configure and manage a Calico network, and how to secure your cluster following today’s best practices. - [Certified Calico Operator: AWS Expert](https://academy.tigera.io/course/certified-calico-operator-aws-expert/) – Understand several options for deploying Kubernetes in AWS, examine how the default AWS networking works, learn how to configure and manage Calico in AWS, and how to secure your AWS Kubernetes cluster. - [Certified Calico Operator: eBPF course](https://academy.tigera.io/course/certified-calico-operator-ebpf/)– By the end of this course, you’ll be able to run and modify simple eBPF programs, understand the deployment options and methods available with Calico’s eBPF data plane, and confidently deploy eBPF across multiple environment types. ***➔ [Explore all certification courses](https://www.tigera.io/lp/calico-certification/)*** ## That’s a wrap! Thanks for reading this month’s roundup. Did something spark your interest? Would you like to provide feedback? You’re always welcome to [contact us](https://www.tigera.io/contact/). Ready to get started? [Try Calico Cloud for free](https://link.tigera.io/ueOp4). [Products](https://www.tigera.io/tags/products/)[Project Calico](https://www.tigera.io/tags/project-calico/) ## Related posts [![Meet Mylo: An AI-native way to work with Calico](https://www.tigera.io/app/uploads/2026/09/Meet-Mylo-An-AI-native-way-to-work-with-Calico.png)](https://www.tigera.io/blog/meet-mylo-an-ai-native-way-to-work-with-calico/) #### [Meet Mylo: An AI-native way to work with Calico](https://www.tigera.io/blog/meet-mylo-an-ai-native-way-to-work-with-calico/) By [Phil DiCorpo](https://www.tigera.io/blog/author/phil-dicorpo/) on Sep 3, 2026 A library of Calico tools and skills — delivered through the Calico MCP Server What if your hardest network question took ten minutes instead of ten days? 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OpenAI bought Promptfoo, Cisco and Microsoft shipped automated attack suites, and a seed-stage startup publicly compromised 50 of 55 live customer service bots. These platforms... [Read more](https://www.tigera.io/blog/ai-red-team-agents-automate-attacks-on-your-ai-agents-runtime-policies-automate-their-defense/)