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 the safety and implications of Apple Intelligence, examining its potential benefits and risks when implemented correctly.
Análisis crÃtico de Microsoft Recall: su funcionamiento, controversias y posibles implicaciones para la privacidad del usuario en Windows.
Explore a critical IPv6 vulnerability in Windows, its implications for system security, and the importance of timely patching in today's cybersecurity landscape.
Explore recent security breaches, their implications, and learn how to protect yourself online using two-factor authentication and tools like YubiKey.
Discover how hackers can exploit AI code assistants like Cursor and Github Copilot through unicode encoding vulnerabilities, allowing backdoored prompts to add unauthorized features to codebases.
Discover critical Linux privilege escalation vulnerabilities that allow hackers to gain dangerous root access through PAM and libblockdev exploits.
Discover how AI found a 0-day vulnerability in Linux kernel's SMB implementation as Sean Heelan's work with o3 is analyzed, revealing new cybersecurity challenges.
Dive into a critical security analysis revealing vulnerability chains affecting Ruijie access points, exploring system weaknesses and their widespread impact on network infrastructure.
Dive into a critical analysis of D-LINK NAS's unpatched firmware vulnerability, exploring security implications and understanding the technical oversight in network storage systems.
Dive into an audit of CNC source code, revealing surprising findings about EA's development practices in this eye-opening analysis.
Discover how to write secure C code through the analysis of curl's codebase, which has achieved billions of safe deployments despite using a low-level language.
Explore the truth behind sensationalized claims about ESP32 backdoors affecting billions of devices in this critical analysis of tech news reporting.
Explore the concerning trend of declining computer reliability and increasing costs, examining personal experiences and industry patterns.
Dive into the fundamental layers beneath your operating system and discover what really makes computers tick at the deepest hardware level.
Discover critical Redis security vulnerabilities with CVSS 10.0 scores caused by Lua engine bugs and learn about their exploitation methods.
Get personalized course recommendations, track subjects and courses with reminders, and more.