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
Personal Creativity
Entrepreneurship
Instructional Design
Ecology and Wildlife Conservation
The Science of Well-Being
Mountains 101
Organize and share your learning with Class Central Lists.
View our Lists Showcase
Explore the intricacies and potential security implications of IPv6, the next-generation Internet Protocol, in this comprehensive technical analysis.
Explore the intricacies and hidden capabilities of MS Office file formats, uncovering potential vulnerabilities and advanced techniques for manipulation.
Explore ethical considerations for security professionals, focusing on practical decision-making frameworks and real-world scenarios to navigate complex moral dilemmas in the field.
Explore common vulnerabilities in encrypted VoIP systems, focusing on SIP-over-TLS and sRTP protocols. Learn to identify and mitigate security risks in voice communication networks.
Explore the evolution of IoT botnets, focusing on Torii and smart-home vulnerabilities. Gain insights into emerging threats and security implications for connected devices.
Explore the development and advancements of kernel fuzzers in NetBSD, focusing on techniques for identifying vulnerabilities and improving system security.
Explore techniques for escalating privileges on macOS using seemingly harmless App Store applications, uncovering potential security vulnerabilities in the operating system.
Explore VXLAN security vulnerabilities, injection techniques, and protective measures for network administrators and security professionals.
Explore the security vulnerabilities of smartwatches for children and their potential impact on safety. Learn about the risks and implications of these wearable devices.
Explore the intersection of automotive manufacturing and cybersecurity in this insightful talk, examining challenges and collaborative opportunities between industries.
Learn digital forensics and incident response techniques for G Suite environments, focusing on effective investigation and mitigation strategies for cloud-based security incidents.
Explore CypherDog 2.0, a tool bridging the gap between attacker mindsets and management metrics, enhancing cybersecurity strategies and decision-making processes.
Explore advanced Windows authentication exploitation techniques and tools, focusing on the powerful kekeo utility for penetration testing and security analysis.
Explore advanced Windows forensics techniques using native Microsoft tools, enhancing your ability to investigate and analyze digital evidence effectively.
Explore techniques for detecting Mimikatz, a powerful post-exploitation tool, to enhance cybersecurity defenses and protect against credential theft attacks.
Get personalized course recommendations, track subjects and courses with reminders, and more.