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35 open-source security tools to power your red team, SOC, and cloud security

35 open-source security tools to power your red team, SOC, and cloud security 2025-06-18 at 08:31 By Help Net Security This article showcases free, open-source security tools that support your organization’s teams in red teaming, threat hunting, incident response, vulnerability scanning, and cloud security. Autorize: Burp Suite extension for automatic authorization enforcement detection Autorize is […]

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Free AI coding security rules now available on GitHub

Free AI coding security rules now available on GitHub 2025-06-17 at 16:47 By Sinisa Markovic Developers are turning to AI coding assistants to save time and speed up their work. But these tools can also introduce security risks if they suggest flawed or unsafe code. To help address that, Secure Code Warrior has released a

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MDEAutomator: Open-source endpoint management, incident response in MDE

MDEAutomator: Open-source endpoint management, incident response in MDE 2025-06-16 at 08:36 By Help Net Security Managing endpoints and responding to security incidents in Microsoft Defender for Endpoint (MDE) can be time-consuming and complex. MDEAutomator is an open-source tool designed to make that easier. MDEAutomator is a modular, serverless solution for IT and security teams looking

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OWASP Nettacker: Open-source scanner for recon and vulnerability assessment

OWASP Nettacker: Open-source scanner for recon and vulnerability assessment 2025-06-11 at 09:01 By Mirko Zorz OWASP Nettacker is a free, open-source tool designed for network scanning, information gathering, and basic vulnerability assessment. Built and maintained by the OWASP community, Nettacker helps security pros automate common tasks like port scanning, service detection, and brute-force attacks. It

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fiddleitm: Open-source mitmproxy add-on identifies malicious web traffic

fiddleitm: Open-source mitmproxy add-on identifies malicious web traffic 2025-06-09 at 08:00 By Mirko Zorz fiddleitm is an open-source tool built on top of mitmproxy that helps find malicious web traffic. It works by checking HTTP requests and responses for known patterns that might point to malware, phishing, or other threats. fiddleitm features “I created fiddleitm

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Meta open-sources AI tool to automatically classify sensitive documents

Meta open-sources AI tool to automatically classify sensitive documents 2025-06-05 at 09:17 By Mirko Zorz Meta has released an open source AI tool called Automated Sensitive Document Classification. It was originally built for internal use and is designed to find sensitive information in documents and apply security labels automatically. The tool uses customizable classification rules

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Vet: Open-source software supply chain security tool

Vet: Open-source software supply chain security tool 2025-06-03 at 08:34 By Help Net Security Vet is an open source tool designed to help developers and security engineers spot risks in their software supply chains. It goes beyond traditional software composition analysis by detecting known vulnerabilities and flagging malicious packages. Vet supports several ecosystems, including npm,

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364,000 Impacted by Data Breach at LexisNexis Risk Solutions

364,000 Impacted by Data Breach at LexisNexis Risk Solutions 2025-05-28 at 19:49 By Ionut Arghire Data broker giant LexisNexis Risk Solutions says personal information was stolen from 364,000 people in a December 2024 data breach. The post 364,000 Impacted by Data Breach at LexisNexis Risk Solutions appeared first on SecurityWeek. This article is an excerpt

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Woodpecker: Open-source red teaming for AI, Kubernetes, APIs

Woodpecker: Open-source red teaming for AI, Kubernetes, APIs 2025-05-28 at 08:17 By Mirko Zorz Woodpecker is an open-source tool that automates red teaming, making advanced security testing easier and more accessible. It helps teams find and fix security weaknesses in AI systems, Kubernetes environments, and APIs before attackers can exploit them. Key features of Woodpecker

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GitHub becomes go-to platform for malware delivery across Europe

GitHub becomes go-to platform for malware delivery across Europe 2025-05-28 at 07:32 By Help Net Security Phishing has become the go-to method for attackers looking to get past security controls and access sensitive environments in Europe, according to Netskope. Users are now constantly dealing with phishing attempts, which have become so common and credible that

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

Hottest cybersecurity open-source tools of the month: May 2025 2025-05-28 at 07:03 By Help Net Security This month’s roundup features exceptional open-source cybersecurity tools that are gaining attention for strengthening security across various environments. Vuls: Open-source agentless vulnerability scanner Vuls is an open-source tool that helps users find and manage security vulnerabilities. It was created

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LlamaFirewall: Open-source framework to detect and mitigate AI centric security risks

LlamaFirewall: Open-source framework to detect and mitigate AI centric security risks 2025-05-26 at 08:52 By Mirko Zorz LlamaFirewall is a system-level security framework for LLM-powered applications, built with a modular design to support layered, adaptive defense. It is designed to mitigate a wide spectrum of AI agent security risks including jailbreaking and indirect prompt injection,

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AutoPatchBench: Meta’s new way to test AI bug fixing tools

AutoPatchBench: Meta’s new way to test AI bug fixing tools 2025-05-21 at 08:02 By Mirko Zorz AutoPatchBench is a new benchmark that tests how well AI tools can fix code bugs. It focuses on C and C++ vulnerabilities found through fuzzing. The benchmark includes 136 real bugs and their verified fixes, taken from the ARVO

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Hanko: Open-source authentication and user management

Hanko: Open-source authentication and user management 2025-05-19 at 07:32 By Mirko Zorz Hanko is an open-source, API-first authentication solution purpose-built for the passwordless era. “We focus on helping developers and organizations modernize their authentication flows by migrating users towards passkeys, while still supporting all common authentication methods like email/password, MFA, OAuth, as well as SAML

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Cerbos: Open-source, scalable authorization solution

Cerbos: Open-source, scalable authorization solution 2025-05-14 at 07:34 By Help Net Security Cerbos is an open-source solution designed to simplify and modernize access control for cloud-native, microservice-based applications. Instead of hardcoding authorization logic into your application, Cerbos lets you write flexible, context-aware access policies using a YAML syntax. These policies are managed separately from your

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SPIRE: Toolchain of APIs for establishing trust between software systems

SPIRE: Toolchain of APIs for establishing trust between software systems 2025-05-12 at 08:00 By Help Net Security SPIRE is a graduated project of the Cloud Native Computing Foundation (CNCF). It’s a production-ready implementation of the SPIFFE APIs that handles node and workload attestation to securely issue SVIDs to workloads and verify the SVIDs of other

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Analyze resource-based policy dependencies across your AWS Organizations accounts

Analyze resource-based policy dependencies across your AWS Organizations accounts 2025-05-09 at 08:02 By Help Net Security Managing multiple AWS accounts in an organization can get complicated, especially when trying to understand how services and permissions are connected. The Account Assessment for AWS Organizations open-source tool helps simplify this process by giving you a central place

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Autorize: Burp Suite extension for automatic authorization enforcement detection

Autorize: Burp Suite extension for automatic authorization enforcement detection 2025-05-07 at 08:02 By Help Net Security Autorize is an open-source Burp Suite extension that checks if users can access things they shouldn’t. It runs automatic tests to help security testers find authorization problems. Autorize installation To use Autorize, you’ll need Burp Suite and Jython. Here’s

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Vuls: Open-source agentless vulnerability scanner

Vuls: Open-source agentless vulnerability scanner 2025-05-05 at 07:33 By Help Net Security Vuls is an open-source tool that helps users find and manage security vulnerabilities. It was created to solve the daily problems admins face when trying to keep servers secure. Many administrators choose not to use automatic software updates because they want to avoid

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

Hottest cybersecurity open-source tools of the month: April 2025 2025-05-01 at 08:36 By Help Net Security This month’s roundup features exceptional open-source cybersecurity tools that are gaining attention for strengthening security across various environments. GoSearch: Open-source OSINT tool for uncovering digital footprints GoSearch is an open-source OSINT tool built to uncover digital footprints linked to

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