Professor Messer offers IT certification training for CompTIA A+, Network+, and Security+ exams, including free videos, course notes, practice exams, downloadable videos, pop quizzes, study group replays, and study recommendations.
FEATURES
ALTERNATIVES
Learn about 'Admin Free' Active Directory and the significance of privileged groups in AD.
Level 400 training to become a Microsoft Sentinel Ninja.
A university course focused on vulnerability research, reverse engineering, and binary exploitation to teach practical offensive security skills.
A game packed with real-life examples of how not to store secrets in software, with 46 challenges to solve.
Project hosting scripts for implementing Pass the Hash mitigations with PtHTools module commands.
Boston Key Party CTF 2013 - cybersecurity competition with challenges in various domains.
Comprehensive documentation for ThreatConnect's REST API and SDKs.
PINNED

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.

Kriptos
An AI-driven data classification and governance platform that automatically discovers, analyzes, and labels sensitive information while providing risk management and compliance capabilities.

System Two Security
An AI-powered platform that automates threat hunting and analysis by processing cyber threat intelligence and generating customized hunt packages for SOC teams.

Aikido Security
Aikido is an all-in-one security platform that combines multiple security scanning and management functions for cloud-native applications and infrastructure.

Permiso
Permiso is an Identity Threat Detection and Response platform that provides comprehensive visibility and protection for identities across multiple cloud environments.

Wiz
Wiz Cloud Security Platform is a cloud-native security platform that enables security, dev, and devops to work together in a self-service model, detecting and preventing cloud security threats in real-time.

Adversa AI
Adversa AI is a cybersecurity company that provides solutions for securing and hardening machine learning, artificial intelligence, and large language models against adversarial attacks, privacy issues, and safety incidents across various industries.