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Operational teams know that access sprawl grows fast. Servers, virtual machines and network gear all need hands-on work and each new system adds more identities to manage. A bastion host tries to bring order to this problem. It acts as a single entry p…
Portmaster is a free and open source application firewall built to monitor and control network activity on Windows and Linux. The project is developed in the EU and is designed to give users stronger privacy without asking them to manage every rule by …
This month’s roundup features exceptional open-source cybersecurity tools that are gaining attention for strengthening security across various environments. Heisenberg: Open-source software supply chain health check tool Heisenberg is an open-source to…
Security leaders depend on vulnerability data to guide decisions, but the system supplying that data is struggling. An analysis from Sonatype shows that core vulnerability indexes no longer deliver the consistency or speed needed for the current softwa…
Metis is an open source tool that uses AI to help engineers run deep security reviews on code. Arm’s product security team built Metis to spot subtle flaws that are often buried in large or aging codebases where traditional tools struggle. Metis relies…
GNU Coreutils is the backbone of many enterprise Linux environments. It provides the basic file, shell, and text utilities that every GNU-based system depends on. The latest release, version 9.9, refines these tools with fixes and performance improveme…
When you ask a large language model to summarize a policy or write code, you probably assume it will behave safely. But what happens when someone tries to trick it into leaking data or generating harmful content? That question is driving a wave of rese…
Keeping older software versions secure often means backporting patches from newer releases. It is a routine but tedious job, especially for large open-source projects such as the Linux kernel. A new research effort has built a tool that uses a large la…
VulnRisk is an open-source platform for vulnerability risk assessment. It goes beyond basic CVSS scoring by adding context-aware analysis that reduces noise and highlights what matters. The tool is free to use and designed for local development and tes…
In financial services, application security risk is becoming a long game. Fewer flaws appear in new code, but old ones linger longer, creating a kind of software “interest” that keeps growing, according to Veracode’s 2025 State of Software Securi…