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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Hands-on cybersecurity training and testing platform with 1800+ labs
Collection of cybersecurity conference videos from GreHack 2018 covering various cutting-edge topics.
A detailed SSH cheat sheet for managing SSH connections and troubleshooting common issues.
A live archive of DEF CON CTF challenges, vulnerable by design, for hackers to play safely.
A comprehensive list of search filters for the SHODAN search engine.
Level 400 training to become a Microsoft Sentinel Ninja.
A comprehensive guide for hardening GNU/Linux systems with practical step-by-step instructions.
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InfoSecHired
An AI-powered career platform that automates the creation of cybersecurity job application materials and provides company-specific insights for job seekers.
Mandos Brief Newsletter
A weekly newsletter providing cybersecurity leadership insights, industry updates, and strategic guidance for security professionals advancing to management positions.
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.