40 open-source tools redefining how security teams secure the stack - Help Net Security

▤ Summary

This roundup highlights 40 open-source tools that help security teams secure applications, infrastructure, and identity systems. You get options for vulnerability scanning, runtime protection, network analysis, secrets detection, backup, incident response, and software supply chain monitoring. Several tools also target newer risk areas such as Kubernetes, MCP servers, LLMs, Rust malware, and post-quantum cryptography. The list shows how open-source software continues to give security teams flexible capabilities without licensing costs.

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