Open-source AI pentesting tools are getting uncomfortably good 2026-02-02 at 09:10 By Help Net Security AI has come a long way in the pentesting world. We are now seeing open-source tools that can genuinely mimic how a human tester works, not just fire off scans. I dug into three of them, BugTrace-AI, Shannon, and CAI, […]
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Pompelmi: Open-source secure file upload scanning for Node.js 2026-02-02 at 09:10 By Sinisa Markovic Software teams building services in JavaScript are adding more layers of defense to handle untrusted file uploads. An open-source project called Pompelmi aims to insert malware scanning and policy checks directly into Node.js applications before files reach storage or business logic.
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Hottest cybersecurity open-source tools of the month: January 2026 2026-01-29 at 08:06 By Anamarija Pogorelec This month’s roundup features exceptional open-source cybersecurity tools that are gaining attention for strengthening security across various environments. OpenAEV: Open-source adversarial exposure validation platform OpenAEV is an open source platform designed to plan, run, and review cyber adversary simulation campaigns
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CERT UEFI Parser: Open-source tool exposes UEFI architecture to uncover vulnerabilities 2026-01-28 at 09:10 By Sinisa Markovic CERT UEFI Parser, a new open-source security analysis tool from the CERT Coordination Center has been released to help researchers and defenders examine the structure of Unified Extensible Firmware Interface (UEFI) software and identify classes of vulnerabilities that
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Brakeman: Open-source vulnerability scanner for Ruby on Rails applications 2026-01-26 at 08:00 By Anamarija Pogorelec Brakeman is an open-source security scanner used by teams that build applications with Ruby on Rails. The tool focuses on application code and configuration, giving developers and security teams a way to identify common classes of web application risk during
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Microsoft introduces winapp, an open-source CLI for building Windows apps 2026-01-23 at 07:24 By Anamarija Pogorelec Microsoft has released winapp, a new command line interface aimed at simplifying the process of building Windows applications. The open-source tool targets developers who rely on terminal based workflows and want a consistent way to create, configure, and manage
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Bandit: Open-source tool designed to find security issues in Python code 2026-01-21 at 08:04 By Sinisa Markovic Bandit is an open-source tool that scans Python source code for security issues that show up in everyday development. Many security teams and developers use it as a quick way to spot risky coding patterns early in the
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Bytebase: Open-source database DevOps tool 2026-01-19 at 09:19 By Sinisa Markovic Bytebase is a DevOps platform for managing database schema and data changes through a structured workflow. It provides a central place for teams to submit change requests, run reviews, and track executions across environments. The open-source edition is designed for organizations that want to
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CISO Assistant: Open-source cybersecurity management and GRC 2026-01-14 at 13:25 By Mirko Zorz CISO Assistant is an open-source governance, risk, and compliance (GRC) platform designed to help security teams document risks, controls, and framework alignment in a structured system. The community edition is maintained as a self-hosted tool for organizations that want direct access to
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AuraInspector: Open-source tool to audit Salesforce Aura access control misconfigurations 2026-01-13 at 17:45 By Anamarija Pogorelec Google and its Mandiant threat intelligence unit have released AuraInspector, an open-source tool aimed at auditing data access paths in Salesforce Experience Cloud applications. The tool focuses on the Aura framework, which underpins many Salesforce user interfaces and plays
pfSense: Open-source firewall and routing platform 2026-01-12 at 08:33 By Sinisa Markovic Firewalls, VPN access, and traffic rules need steady attention, often with limited budgets and staff. In that context, the open source pfSense Community Edition (CE) continues to show up in production environments, supported by a long-standing user community. pfSense CE is the free,
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OpenAEV: Open-source adversarial exposure validation platform 2026-01-05 at 08:02 By Sinisa Markovic OpenAEV is an open source platform designed to plan, run, and review cyber adversary simulation campaigns used by security teams. The project focuses on organizing exercises that blend technical actions with operational and human response elements, all managed through a single system. Scenarios
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Superagent: Open-source framework for guardrails around agentic AI 2025-12-29 at 09:03 By Sinisa Markovic Superagent is an open-source framework for building, running, and controlling AI agents with safety built into the workflow. The project focuses on giving developers and security teams tools to manage what agents can do, what they can access, and how they
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Conjur: Open-source secrets management and application identity 2025-12-24 at 08:34 By Sinisa Markovic Conjur is an open-source secrets management project designed for environments built around containers, automation, and dynamic infrastructure. It focuses on controlling access to credentials such as database passwords, API keys, and tokens that applications need at runtime. The project is maintained in
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Anubis: Open-source web AI firewall to protect from scraper bots 2025-12-22 at 08:49 By Sinisa Markovic Anubis is an open-source tool designed to protect websites from automated scraping and abusive traffic by adding computational friction before a request is served. Maintained by TecharoHQ, the project targets a growing problem for site operators who want to
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Zabbix: Open-source IT and OT observability solution 2025-12-17 at 08:08 By Anamarija Pogorelec Zabbix is an open source monitoring platform designed to track the availability, performance, and integrity of IT environments. It monitors networks along with servers, virtual machines, applications, services, databases, websites, and cloud resources. For cybersecurity professionals, this visibility matters because operational issues
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Prometheus: Open-source metrics and monitoring systems and services 2025-12-15 at 08:43 By Anamarija Pogorelec Prometheus is an open-source monitoring and alerting system built for environments where services change often and failures can spread fast. For security teams and DevOps engineers, it has become a common way to track system behavior, spot early warning signs, and
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40 open-source tools redefining how security teams secure the stack 2025-12-11 at 09:07 By Anamarija Pogorelec Open source security software has become a key way for teams to get flexibility, transparency, and capability without licensing costs. The free tools in this roundup address problems security teams deal with, from managing large environments to catching misconfigurations
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UTMStack: Open-source unified threat management platform 2025-12-10 at 08:52 By Sinisa Markovic UTMStack is an open-source unified threat management platform that brings SIEM and XDR features into one system. The project focuses on real time correlation of log data, threat intelligence, and malware activity patterns gathered from different sources. The goal is to help organizations
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The Bastion: Open-source access control for complex infrastructure 2025-12-08 at 09:56 By Anamarija Pogorelec 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
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