In Kubernetes, pods often need to securely communicate with external resources, such as internet services or APIs. Traditional Kubernetes network policies use IP addresses to identify these external resources. However, managing policies with IP addresses can be challenging because IPs often change, especially when dealing with dynamic websites or APIs.

This is the second blog post in a series exploring how Kubernetes, despite its inherent complexity, provides features that simplify security efforts. Kubernetes presents an interesting paradox: while it is complex, it simplifies many aspects of deploying and managing containerized applications, including configuration security. Once you navigate its learning curve, Kubernetes unlocks powerful capabilities and tool support that make managing configuration security significantly easier.

In today’s cloud-native ecosystems, effective configuration security is essential. Containers and Kubernetes clusters operate in dynamic environments with multiple interconnected risk vectors, making security more complex than in traditional IT environments. Misconfigurations can lead to vulnerabilities, breaches, and compliance issues, putting applications and data at risk.

In the ever-evolving Kubernetes landscape, security remains a paramount concern. Ensuring that your containers are free from vulnerabilities is crucial for maintaining the integrity and performance of your applications. This is where Calico Vulnerability Management steps in, offering a comprehensive solution designed to keep your Kubernetes environment secure from potential threats.

Calico Open Source 3.29 is here, bringing powerful new features and enhancements to simplify networking and security in Kubernetes. In this post, we’ll explore the key highlights of this release and celebrate the contributions of the talented individuals who made it happen.

In the world of Kubernetes, optimizing cluster performance and reliability is paramount, especially when it comes to fundamental operations like DNS lookups. NodeLocal DNSCache is one such solution that helps reduce DNS latency by caching responses locally on each node. While this tool is effective in standard Kubernetes setups, complications arise when integrating it with advanced networking solutions such as eBPF-based dataplanes.

This is the companion article to Why Interconnecting Security Risks is Key to Protecting Your Kubernetes Environment.

Millions of organizations are actively deploying and leveraging generative AI (GenAI) applications in a bid to streamline productivity, reduce costs and improve efficiencies. A high percentage of enterprises are in the midst of trialing GenAI pilot programs, and by 2026, it is anticipated that more than 80% of enterprises will have deployed generative AI-enabled applications, according to Gartner.

It’s almost time for KubeCon North America, and we’re excited to share the latest updates in Calico. These updates improve network and runtime security, make it easier to use, and extend Calico’s strong network security and observability for Kubernetes to VMs and hosts that are not part of Kubernetes clusters.

Kubernetes has become a cornerstone in modern IT environments, significantly revolutionizing the way applications are deployed and managed. Its ability to automate scaling, deployment, and management of containerized applications makes it indispensable for businesses aiming for agility, scalability, and efficiency. As organizations increasingly adopt microservices architectures, Kubernetes’ role in providing seamless orchestration and robust security continues to grow in importance.