Courses from 1000+ universities
17 years ago, Krishna Kumar started offering free PMP prep online. Today, it’s a leading digital upskilling platform that helps millions upskill in AI, cybersecurity, data science, and more.
600 Free Google Certifications
Fundamentals of Neuroscience, Part 1: The Electrical Properties of the Neuron
Organic Chemistry 1
Mountains 101
Organize and share your learning with Class Central Lists.
View our Lists Showcase
Explore vulnerability research in office applications through fuzzing, code review, and reverse-engineering. Learn to discover and exploit zero-days, with insights on binary exploitation for curious researchers.
Learn to host Capture The Flag competitions, develop secure vulnerable applications, and set up robust infrastructure for large-scale events. Gain insights into challenge creation and security considerations.
Discover API keys hidden in web pages with the open-source TruffleHog Chrome extension. Learn how to use this tool and explore real-world examples of exposed keys in SaaS APIs with open CORS.
Exploring burnout in InfoSec, its impact on mental health, and strategies for better work-life balance. Discusses industry challenges and offers solutions for professionals, especially bug bounty hunters.
Explore Haptyc, a Python library enhancing Turbo Intruder with advanced fuzzing capabilities. Learn to create modular, reusable transforms for powerful and efficient HTTP request testing in web security assessments.
Discover the evolution of bug bounty hunting over five years, exploring successful techniques, favorite vulnerabilities, and lessons learned to help you replicate success in ethical hacking.
Explore the value of infosec certifications with industry experts, discussing preparation strategies, career impact, and essential skills for success in the cybersecurity field.
Explore diverse paths to cybersecurity careers, from CTFs to bug bounties. Learn key strategies for success, including self-teaching, building a unique skill set, and leveraging your online presence as a resume.
Explore Docker container security, including namespaces, cgroups, and vulnerabilities. Learn hacking techniques and best practices for securing containerized environments.
Explore CodeQL's static and taint analysis capabilities to uncover vulnerabilities, including potential RCE flaws. Learn key concepts for effective code analysis and security testing.
Explore cutting-edge techniques for bug hunters and red teamers to discover and expand attack surfaces, focusing on domain reconnaissance, subdomain enumeration, and IP space analysis.
Engaging tales of successful penetration testing, showcasing diverse attack vectors and vulnerabilities. Highlights include exploiting lack of MFA, IPv6 abuse, and overcoming robust security measures.
Discover one hacker's journey from novice to Most Valuable Hacker, exploring tools, resources, challenges, and strategies for success in bug bounty hunting without coding skills.
Discover and exploit a critical SSRF vulnerability in Grafana, impacting thousands of companies. Learn methodology, see a live demo, and explore reporting and mass-exploitation experiences.
Strategies to recognize, overcome, and prevent burnout in the tech industry. Learn to balance work and personal life, manage stress, and maintain well-being for long-term success.
Get personalized course recommendations, track subjects and courses with reminders, and more.