Email security is a key part of internet communication. But what are SPF, DKIM, and DMARC, and how do they work? This guide will explain it all in simple terms to make these concepts clearer. - nicanorflavier/spf-dkim-dmarc-simplified

OXO is a vulnerability scanning orchestrator that automatically binds tools together allowing for rapid scale.

Open-source dev tools for enterprise SSO. Ship SAML + SCIM support this afternoon. - ssoready/ssoready

Enhance your cybersecurity skills

This post isn’t a detailed line-by-line tutorial on how to set up each individual piece of the setup as those types of guides tend to get out of date really easily, but if you know your way around Linux and the command line, then you can definitely replicate this setup on your own. Over the past few years I’ve been interested in learning about how much energy my computing setup and home appliances use. I’ve used a simple digital energy meter before to get instantaneous readings, but that was not ideal for monitoring how an electrical appliance consumes power over a longer time period.

Censys helps organizations, individuals, and researchers find and monitor every server on the Internet to reduce exposure and improve security.

Open-source BI for engineers. Contribute to quarylabs/quary development by creating an account on GitHub.

Build a Proxmox Kubernetes cluster with Talos Linux. Uncover how to provision Talos Linux on Proxmox and discover the power of a tiny Linux OS with Kubernetes.

Like Heroku, but you own it.

Self-hostable clone of lazydocker for the web. Manage your Docker fleet with ease - will-moss/isaiah

In this article, you will find a list of open source cybersecurity tools that you'll wish you'd known earlier.

Improve your GitHub Action’s security posture by securing your source repository, protecting your maintainers, and making it easy to report security incidents.

Raven is an open-source CI/CD pipeline security scanner that makes hidden risks visible by connecting the dots across vulnerabilities.

Dockerized local and offline backing up of PostgresQL with rotation and compression. - efrecon/pgbackup

Amazon Web Services (AWS) is excited to announce that a new Information Security Registered Assessors Program (IRAP) report (2023 H1) is now available through AWS Artifact. An independent Australian Signals Directorate (ASD) certified IRAP assessor completed the IRAP assessment of AWS in August 2023. The new IRAP report includes an additional six AWS services, as well as the new AWS […]

Here’s a collection of free AWS cybersecurity courses you can use to elevate your knowledge about the popular cloud platform.

OSINT means gathering and interpreting public information to address specific intelligence queries, and the tools here are free.

IBM & open-source AI platform Hugging Face today announced that IBM's watsonx.ai geospatial foundation model – built from NASA's satellite data – will now be openly available on Hugging Face. It will be the largest geospatial foundation model on Hugging Face and the first-ever open-source AI foundation model built in collaboration with NASA.

Learn how you can structure your enterprise to get the most value out of GitHub and provide the best experience for your developers!