Cybersec Feeds
Cybersec Feeds is a threat intelligence aggregation service that consolidates updates from over 80 sources including: Government organizations Cybersecurity vendors Threat intelligence teams Security research labs Cybersecurity community blogs The feed provides weekly summaries of: Emerging threats and vulnerabilities Security advisories and patches Malware analysis reports Industry news and developments Regulatory updates Incident response cases The service categorizes information into three main sections: 1. Government Feeds - Official security advisories and vulnerability disclosures 2. Vendor Feeds - Technical analysis and threat research from security companies 3. Personal/Community Feeds - Independent research and security discussions
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A comprehensive guide to reverse engineering by Dennis Yurichev, available for free download in multiple languages and formats, with praise from cybersecurity experts.
Hacker wargames site with forums and tutorials, fostering a learning community.
A newsletter providing summarized cyber defense technical content for blue and purple teams to stay informed and protect their estates.
Boston Key Party CTF 2013 - cybersecurity competition with challenges in various domains.
An annual jeopardy-style capture-the-flag contest with challenges related to cybersecurity.
A guide on how to contribute to the Ayehu Custom Activities Repository
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.
OSINTLeak
OSINTLeak is a tool for discovering and analyzing leaked sensitive information across various online sources to identify potential security risks.
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.