Courses from 1000+ universities
AI got cheap enough that Duolingo’s most expensive plan may not survive it. I read the earnings call transcript and opened the app to see what is actually changing for learners.
600 Free Google Certifications
Computer Science
Artificial Intelligence
Data Science
Intelligenza Artificiale
The Bible's Prehistory, Purpose, and Political Future
Education for All: Disability, Diversity and Inclusion
Organize and share your learning with Class Central Lists.
View our Lists Showcase
Explore a wide range of free and certified Homeland security online courses. Find the best Homeland security training programs and enhance your skills today!
This is the first of five courses in the Google Cloud Cybersecurity Certificate.
Harden Go web applications with net/http by applying OWASP Top 10 defenses, secure authentication and authorization, encrypted storage, and incident response.
Harden a real Express app by applying the OWASP Top 10 to authentication, authorization, and incident response.
Prepare for the CISSP certification exam with hands-on training in information systems security and build the expertise needed to pass with confidence.
Prepare for the CompTIA Security+ 701 certification: secure networks and applications and perform threat analysis through self-paced online modules and live classes.
Build cloud security expertise and prepare to pass the (ISC)² Certified Cloud Security Professional (CCSP) certification exam.
Learn how AI and machine-learning systems are attacked and defended using MITRE ATLAS, the OWASP LLM Top 10, and the NIST AI RMF.
Learn to draw cloud trust boundaries, harden identities, networks, workloads, and data, and defend a prioritized security plan.
Learn to monitor AI systems, distinguish security incidents from performance blips, and respond during the crucial first hour.
Learn how public-facing web applications are compromised and what strong security policies require from developers and overseers.
Apply “Never Trust, Always Verify” by evaluating security practices and recommending scalable controls to redesign an organization’s security program.
AI's potential is undeniable, but ensuring its security requires knowledge and action!
Secure and Optimize Your AWS Cloud Environment Mastering cloud security and cost management is critical for any organization using AWS.
Discover How to Be a Data Defender Navigating the complex world of data security may initially seem like a daunting task and a bit boring to some.
A mathematically grounded tour of cryptography, from classical ciphers and cryptanalysis through AES, RSA, Diffie–Hellman, elliptic curves, and secure network protocols.
Get personalized course recommendations, track subjects and courses with reminders, and more.