Open Security Training
OpenSecurityTraining2 provides free and open-source cybersecurity training classes, available to anyone at any time, with a focus on multi-class learning paths to help students develop high-skill, high-pay cybersecurity job skills. The platform offers a range of classes, with materials available under open-source licenses, allowing instructors to use and remix materials in their own classes. With platinum, gold, and bronze sponsors, OpenSecurityTraining2 is a community-driven initiative to provide accessible cybersecurity education.
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Introductory book about cryptography with instructions for building and translating.
A comprehensive guide to Python 3 syntax, features, and resources in a single image.
Instructions for setting up SIREN, including downloading Linux dependencies, cloning the repository, setting up virtual environment, installing pip requirements, running SIREN, setting up Snort on Pi, and MySQL setup.
A newsletter providing summarized cyber defense technical content for blue and purple teams to stay informed and protect their estates.
A collection of reports and resources highlighting Android security vulnerabilities and best practices.
PINNED
Mandos Brief Newsletter
A weekly newsletter providing cybersecurity leadership insights, industry updates, and strategic guidance for security professionals advancing to management positions.
PTJunior
An AI-powered penetration testing platform that autonomously discovers, exploits, and documents vulnerabilities while generating NIST-compliant reports.
CTIChef.com Detection Feeds
A tiered cyber threat intelligence service providing detection rules from public repositories with varying levels of analysis, processing, and guidance for security teams.
ImmuniWeb® Discovery
ImmuniWeb Discovery is an attack surface management platform that continuously monitors an organization's external digital assets for security vulnerabilities, misconfigurations, and threats across domains, applications, cloud resources, and the dark web.
Checkmarx SCA
A software composition analysis tool that identifies vulnerabilities, malicious code, and license risks in open source dependencies throughout the software development lifecycle.
Orca Security
A cloud-native application protection platform that provides agentless security monitoring, vulnerability management, and compliance capabilities across multi-cloud environments.
DryRun
A GitHub application that performs automated security code reviews by analyzing contextual security aspects of code changes during pull requests.