FreeBuf
FreeBuf is a cybersecurity industry portal offering articles, tools, and resources covering categories such as vulnerabilities, web security, system security, network security, wireless security, and more.
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A newsletter service that tracks and reports weekly changes in detection engineering rules and updates across multiple GitHub repositories.
A condensed field guide for cyber security incident responders, covering incident response processes, attacker tactics, and practical techniques for handling incidents.
Linux-based operating system intentionally vulnerable for cybersecurity practice.
A collection of computer science courses with video lectures covering a wide range of topics.
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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.