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open-source cybersecurity tools
20 open-source cybersecurity tools to keep your team ready for anything

AI is changing how security teams find vulnerabilities, analyze code, test applications, and protect infrastructure. Developers are building tools to secure AI systems …

Apple Container
Apple Container: Open-source tool for Linux containers on the Mac

Developers on Apple silicon Macs have run Linux containers through software built around a single shared virtual machine for years. Apple’s open-source Container project …

containers
WSL containers now build and run Linux workloads on Windows

Containers power a large share of cloud-native applications, AI workloads, and testing and deployment pipelines. Developers working on Windows have long pulled in third-party …

DockSec
DockSec: Open-source AI-powered Docker security scanner

DockSec is an OWASP Incubator Project that combines three container security scanners with a language-model layer for explanation and remediation. Created by Advait Patel, the …

Linux
Fragnesia: New Linux kernel LPE bug was spawned by Dirty Frag patch (CVE-2026-46300)

Researchers have found and disclosed yet another local privilege escalation (LPE) vulnerability in the Linux kernel: CVE-2026-46300, aka “Fragnesia”. The flaw is …

Fedora Hummingbird
Fedora Hummingbird brings the container security model to a Linux host OS

Container image security pipelines have spent the past several years pushing toward minimal footprints, hermetic builds, and continuous CVE remediation. The Fedora Project is …

Linux
Nine-year-old Linux kernel flaw enables reliable local privilege escalation (CVE-2026-31431)

Security researchers at Theori have disclosed a high-severity local privilege escalation (LPE) vulnerability (CVE-2026-31431) in the Linux kernel. The flaw, nicknamed …

NVIDIA Kubernetes
NVIDIA puts GPU orchestration in community hands

GPU-accelerated AI workloads now run on Kubernetes in the large majority of enterprise environments. Managing those workloads at scale has required specialized tooling that, …

StackRox
StackRox: Open-source Kubernetes security platform

Security teams spend a lot of time stitching together checks across container images, running workloads, and deployment pipelines. The work often happens under time pressure, …

Docker Hardened Images
Docker makes hardened images free open and transparent for everyone

Docker has made its open source Docker Hardened Images project available at no cost for every developer and organization. The catalog contains more than 1,000 container images …

software
Behind the code: How developers work in 2025

How are developers working in 2025? Docker surveyed over 4,500 people to find out, and the answers are a mix of progress and ongoing pain points. AI is gaining ground but …

Containers
Kernel-level container insights: Utilizing eBPF with Cilium, Tetragon, and SBOMs for security

As applications become more distributed, traditional monitoring and security tools are failing to keep pace. This article explores how eBPF, when utilized by the graduated …

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