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In the rapidly evolving landscape of AI and large language models (LLMs), the ability to connect these models to external tools and data sources is crucial for building powerful, automated applications. The Model Context Protocol (MCP) has emerged as a standard for this purpose, but its use also introduces new security challenges. This article explores how to work securely with third-party MCP servers, drawing insights from the recently released OWASP GenAI security cheatsheet. ...

AI is part of our daily life, and I’m not afraid to say that I’m using it regularly for personal tasks. Naturally, I keep and respect the confidentiality of data, and I use my knowledge to understand what AI is telling me back; AI without being driven the correct way can produce absolute garbage. Now I’m transitioning from chatbot to AI CLI usage. I’m a victim of Network Chuck’s enthusiasm, so I wanted to build my first AI agent for publishing content on my personal blog. See below how I did it in minutes. ...

On November 5th, 2025, a set of high-severity vulnerabilities in runc were publicly disclosed, allowing for full container breakouts. Runc is the cornerstone of containerization on Linux, serving as the default low-level container runtime for industry-standard tools like Docker, Podman, and Kubernetes. Its ubiquity means that a vulnerability in runc has far-reaching implications for the entire cloud-native ecosystem. This post summarizes the vulnerabilities, the affected versions, and the recommended actions to mitigate them. ...

Introduction As everyone, we are evolving and we are including AI into several workflows, so it’s essential having a way to pass data to the AI from various types of files. This is where Microsoft’s MarkItDown comes in as a powerful tool. It’s a lightweight Python utility that converts numerous file formats into Markdown, a format easily consumable by AI models. Whether you want to use it with an AI assistant like Claude through its MCP server, as a CLI tool, with Python code, or run it in a container, MarkItDown offers a lot of flexibility. ...

As Halloween approaches and the days grow shorter, it’s the perfect time for a spooky story… or, in my case, a recap of what’s been brewing in my professional life! With the end of the year lurking around the corner, it’s time to take stock of the exciting changes, challenging projects, and community efforts that have made 2025 a year to remember. So, grab your pumpkin-spiced latte, and let’s dive into the cauldron of the last few months. ...

OpenSSF, the Open Source Security Foundation, is an influential collaborative initiative under the Linux Foundation dedicated to improving open source software security. Bringing together industry leaders, security experts, and developers, OpenSSF drives broad community efforts to address vulnerabilities, foster best practices, and enhance transparency across software supply chains. Among its standout contributions is the advocacy and tooling development around Software Bill of Materials (SBOMs), which have rapidly become indispensable for managing security risks in modern software ecosystems. ...

Quick but exciting personal update: I am now part of the organizing team for the Cloud Native Days event in Italy! Everyone who knows me understands how much I love the community side of my work and how passionate I am about joining events and organizing amazing experiences. Having worked on event organization before with my friends at Let’s Connect, I know it’s both challenging and incredibly rewarding. ...

This article is a follow-up to my previous post about the state of the External Secrets Operator project. Let’s start with the most important news: External Secrets Operator is set to resume releases on September 22!!! What changed More than 300 volunteers have signed up to contribute across organizations, far exceeding expectations and widening the pipeline of future Members, Reviewers, and Maintainers. Governance has been clarified with a formal Contribution Ladder and focused tracks (Core, Providers, CI, Testing), plus interim roles to spread the load and reduce burnout risk. ...

External Secrets Operator is a great FOSS project that, over the last few years, has gained traction in Kubernetes environments, becoming one of the standard security tools for managing and integrating Kubernetes secrets from external sources. ESO is an operator and can be installed in different ways, for example via HELM or the OpenShift Operator Catalog. Here’s their GitHub repo. A couple of weeks ago, the team raised a giant RED FLAG with the following announcement: ...

Today, my manager forwarded me this article about several zero-day CVEs discovered in CyberArk and HashiCorp products. After some time spent researching online, I confirmed that both brands have fixed these CVEs by releasing updated versions!! I’m not surprised that these two big corporations acted quickly and fixed the vulnerabilities; both are well-known and reliable! This event gave me an excuse to write this article and respond to one of the most common questions I get from my customers whenever I share news about a new release of a secrets manager: ...