Hottest cybersecurity open-source tools of the month: May 2025

This month’s roundup features exceptional open-source cybersecurity tools that are gaining attention for strengthening security across various environments.

Key Points

  • Vuls: An open-source agentless vulnerability scanner designed to help identify and manage security vulnerabilities effectively.
  • LlamaFirewall: A modular security framework aimed at detecting and mitigating AI-centric security risks, particularly those posed by large language models.
  • Hanko: An API-first, open-source authentication solution tailored for the passwordless future.
  • Cerbos: A scalable open-source solution designed to simplify access control for microservice-based applications.

Content Summary

This article from Help Net Security highlights the hottest open-source cybersecurity tools currently making waves. Featured tools include Vuls, which helps manage security vulnerabilities without requiring agent installation; LlamaFirewall, a security framework for AI applications; Hanko, an innovative authentication solution for the passwordless era; and Cerbos, which streamlines access control in microservices. Each tool addresses unique challenges faced by cybersecurity professionals in an increasingly digital landscape.

Context and Relevance

Keeping up with the latest tools in cybersecurity is essential as technology rapidly evolves. This article is a must-read for professionals looking to enhance their security protocols with proven open-source solutions. Understanding these tools can significantly impact your organisation’s security posture and resilience against emerging threats in the digital world.

Why should I read this?

If you’re in the cybersecurity game and want to stay ahead of the curve, this article is for you! Not only does it spotlight the best open-source tools of the month, but it also provides insights into how these tools can bolster your security measures. Don’t miss out on this handy roundup that saves you from digging through countless sources!

Source: Help Net Security

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