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
AP® Microeconomics
Unlocking Information Security I: From Cryptography to Buffer Overflows
Lean Production
Organize and share your learning with Class Central Lists.
View our Lists Showcase
Explore a wide range of free and certified Security online courses. Find the best Security training programs and enhance your skills today!
Explore AWS presigned URLs' security implications, attack scenarios, and defensive strategies for protecting cloud resources from unauthorized access and data exfiltration.
Discover essential criteria for evaluating Cloud Security Posture Management (CSPM) solutions, learn key comparison metrics, and gain practical insights for selecting the right security tooling for your environment.
Explore advanced AWS security capabilities beyond the standard maturity roadmap, focusing on scaling challenges, build-vs-buy decisions, and cutting-edge cloud security practices.
Discover how lookalike private IP ranges in cloud environments pose security risks, and learn proactive detection methods using CloudHunting framework and Sigma rules for AWS infrastructure protection.
Discover effective strategies for managing cloud security threats and making complex service configurations digestible for developers using TrustOnCloud's approach to threat modeling.
Discover advanced techniques for exploiting AWS Organizations' security boundaries, from single account breaches to multi-account takeovers, with practical pentesting strategies and tools.
Discover how cloud services can introduce hidden security risks through service dependencies, using AWS Elastic Disaster Recovery as a case study to identify and mitigate potential vulnerabilities.
Explore gVisor's architecture, security boundaries, and threat modeling for container workload protection, including real vulnerability case studies and exploitation analysis.
Explore how vulnerabilities impact cloud environments differently from on-premises systems, analyzing key security issues from 2022 and their varying significance in cloud architectures.
Master AWS serverless stack techniques for processing billions of security event logs efficiently, including real-time enrichment, optimal storage solutions, and cost-effective scaling strategies.
Discover advanced techniques for bypassing AWS CloudTrail logging, including vulnerability exploitation, security monitoring evasion, and defensive strategies for cloud environments.
Dive into the intricate relationship between AWS IAM roles and instance profiles, exploring unexpected behaviors, security implications, and essential management practices for cloud infrastructure.
Discover how to combat alert fatigue and optimize cloud security through chaos engineering principles, focusing on high-signal alerts and comprehensive security coverage.
Uncover hidden APIs within Azure and Entra, exploring their security implications, potential exploitation risks, and essential mitigation strategies for building more secure cloud environments.
Dive into real-world cloud security challenges and solutions through practical experiences with S3, Lambda, IAM, and encryption from Open Raven's data security platform development journey.
Get personalized course recommendations, track subjects and courses with reminders, and more.