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Hacker101

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Hacker101 is a free online class for web security, providing video lessons, guides, and resources to learn hacking and practice with Capture the Flag (CTF) levels inspired by real-world scenarios.

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An annual jeopardy-style capture-the-flag contest with challenges related to cybersecurity.

An intentionally insecure Android app designed to teach developers and security professionals about common app vulnerabilities.

A practical guide to developing a comprehensive security monitoring and incident response strategy, covering incident response fundamentals, threat analysis, and data analysis.

A newsletter providing summarized cyber defense technical content for blue and purple teams to stay informed and protect their estates.

A project developed for pentesters to practice SQL Injection concepts in a controlled environment.

A weekly newsletter providing cybersecurity leadership insights, industry updates, and strategic guidance for security professionals advancing to management positions.

One of the oldest hacker conventions in America, offering a unique and personal experience.

Cheat sheet with common enumeration and attack methods for Windows Active Directory.

PINNED

Mandos Brief Newsletter Logo

Mandos Brief Newsletter

A weekly newsletter providing cybersecurity leadership insights, industry updates, and strategic guidance for security professionals advancing to management positions.

Resources
PTJunior Logo

PTJunior

An AI-powered penetration testing platform that autonomously discovers, exploits, and documents vulnerabilities while generating NIST-compliant reports.

Offensive Security
CTIChef.com Detection Feeds Logo

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.

Threat Management
OSINTLeak Logo

OSINTLeak

OSINTLeak is a tool for discovering and analyzing leaked sensitive information across various online sources to identify potential security risks.

Digital Forensics
ImmuniWeb® Discovery Logo

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.

Attack Surface Management
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Checkmarx SCA

A software composition analysis tool that identifies vulnerabilities, malicious code, and license risks in open source dependencies throughout the software development lifecycle.

Application Security
Orca Security Logo

Orca Security

A cloud-native application protection platform that provides agentless security monitoring, vulnerability management, and compliance capabilities across multi-cloud environments.

Cloud Security
DryRun Logo

DryRun

A GitHub application that performs automated security code reviews by analyzing contextual security aspects of code changes during pull requests.

Application Security