Open Courses

Open course in the AI Security catalog: AI Agent Security.

Open course in the AI Security catalog: AI Agent Security Patterns in Python.

Open course in the AI Security catalog: AI Governance.

A practical engineering course on designing bounded, observable, evidence-driven AI execution loops with explicit state, controlled tools, evaluation, budgets, guardrails, traces, and safe terminal conditions.

Open course in the AI Security catalog: AI Security Architecture.

Open course in the AI Security catalog: AI Supply Chain Risks.

Open course in the AI Security catalog: AI-Assisted Threat Actor Profiling.

Open course in the AI Security catalog: AI-Assisted Vulnerability Management.

Open course in the AI Security catalog: AI-Assisted Web Application Assessment.

Open course in the AI Security catalog: Building an AI Pentesting Workstation.

Open course in the AI Security catalog: Building Secure Python AI Applications.

Open course in the AI Security catalog: Defending Against Agent Abuse.

Open course in the AI Security catalog: LLM Threat Modeling.

A practical introduction to designing, testing, evaluating, securing, and maintaining prompts for large language model workflows.

Open course in the AI Security catalog: Prompt Injection.

Open course in the AI Security catalog: Prompt Injection Defenses in Python.

Open course in the AI Security catalog: Red Teaming AI Systems.

Open course in the AI Security catalog: Securing AI Agents.

Open course in the AI Security catalog: Wormable Prompt Injection.

Open course in the Application Security: C catalog: Array Bounds Checking in C.

Open course in the Application Security: C catalog: Binary Data Validation in C.

Open course in the Application Security: C catalog: Buffer Overflow Fundamentals in C.

Open course in the Application Security: C catalog: Cryptography Fundamentals for C Developers.

Open course in the Application Security: C catalog: Double-Free Prevention in C.

Open course in the Application Security: C catalog: Memory Corruption Fundamentals in C.

Open course in the Application Security: C catalog: Replacing Unsafe APIs in C.

Open course in the Application Security: C catalog: Secure Input Handling in C.

Open course in the Application Security: C catalog: The C Memory Model.

Open course in the Application Security: C++ catalog: Array Bounds Safety in C++.

Open course in the Application Security: C++ catalog: Atomic Operations in C++.

Open course in the Application Security: C++ catalog: Avoiding Use-After-Free in C++.

Open course in the Application Security: C++ catalog: Binary Protocol Security in C++.

Open course in the Application Security: C++ catalog: Buffer Overflow Prevention in C++.

Open course in the Application Security: C++ catalog: Compiler Security Features in C++.

Open course in the Application Security: C++ catalog: Concurrent Data Structures in C++.

Open course in the Application Security: C++ catalog: Cryptography Fundamentals for C++.

Open course in the Application Security: C++ catalog: Dangling Pointer Prevention in C++.

Open course in the Application Security: C++ catalog: Environment Variable Security in C++.

Open course in the Application Security: C++ catalog: HTTP Client Security in C++.

Open course in the Application Security: C++ catalog: Input Validation in C++.

Open course in the Application Security: C++ catalog: Integer Safety in C++.

Open course in the Application Security: C++ catalog: Introduction to Secure C++ Programming.

Open course in the Application Security: C++ catalog: Iterator Safety in C++.

Open course in the Application Security: C++ catalog: Safe Dynamic Memory Allocation in C++.

Open course in the Application Security: C++ catalog: Safe File Handling in C++.

Open course in the Application Security: C++ catalog: Safe Logging in C++.

Open course in the Application Security: C++ catalog: Secure Hashing in C++.

Open course in the Application Security: C++ catalog: Secure IPC in C++.

Open course in the Application Security: C++ catalog: Secure Multithreaded Programming in C++.

Open course in the Application Security: C++ catalog: Secure Random Number Generation in C++.

Open course in the Application Security: C++ catalog: Secure Secret Storage in C++.

Open course in the Application Security: C++ catalog: Secure Socket Programming in C++.

Open course in the Application Security: C++ catalog: Secure STL Usage in C++.

Open course in the Application Security: .NET catalog: API Key Handling in ASP.NET Core.

Open course in the Application Security: .NET catalog: ASP.NET Core Security Fundamentals.

Open course in the Application Security: .NET catalog: Common C# Security Anti-Patterns.

Open course in the Application Security: .NET catalog: Container Security for .NET Developers.

Open course in the Application Security: .NET catalog: Cryptography Fundamentals for .NET Developers.

Open course in the Application Security: .NET catalog: Input Validation in C#.

Open course in the Application Security: .NET catalog: Output Encoding and XSS Prevention in ASP.NET Core.

Open course in the Application Security: .NET catalog: Protecting Sensitive Data in C# Applications.

Open course in the Application Security: .NET catalog: Rate Limiting and Request Controls in ASP.NET Core.

Open course in the Application Security: .NET catalog: Secrets Management for .NET Applications.

Open course in the Application Security: .NET catalog: Secure Background Services in .NET.

Open course in the Application Security: .NET catalog: Secure Configuration in .NET.

Open course in the Application Security: .NET catalog: Secure Connection Strings in .NET.

Open course in the Application Security: .NET catalog: Secure Entity Framework Core.

Open course in the Application Security: .NET catalog: Secure File Uploads in ASP.NET Core.

Open course in the Application Security: .NET catalog: Secure Password Handling in .NET.

Open course in the Application Security: .NET catalog: Secure Serialization in .NET.

Open course in the Application Security: .NET catalog: SQL Injection Prevention in .NET.

Open course in the Application Security: .NET catalog: XML Security in .NET Applications.

Open course in the Application Security: General catalog: Authentication Fundamentals.

Open course in the Application Security: General catalog: Authorization Fundamentals.

Open course in the Application Security: General catalog: Defensive Shell Programming.

Open course in the Application Security: General catalog: Dynamic Application Security Testing.

Open course in the Application Security: General catalog: Input Validation Fundamentals.

Open course in the Application Security: General catalog: Introduction to Secure PowerShell Scripting.

Open course in the Application Security: General catalog: Introduction to Secure Shell Scripting.

Open course in the Application Security: General catalog: Password Security and Credential Storage.

A practical course on identifying, storing, delivering, rotating, monitoring, and governing application and infrastructure secrets safely.

Open course in the Application Security: General catalog: Secure File Handling.

Open course in the Application Security: General catalog: Secure Software Development Lifecycle.

Open course in the Application Security: General catalog: Security Headers Explained.

Open course in the Application Security: General catalog: Session Management Security.

Open course in the Application Security: General catalog: Static Application Security Testing.

Open course in the Application Security: General catalog: Threat Modeling Container Escape Scenarios.

A practical course on disciplined AI-assisted software development, covering intent, context, small changes, code review, testing, debugging, security, dependencies, and maintainable production readiness.

Open course in the Application Security: General catalog: Web Application Security Fundamentals.

Open course in the Application Security: JavaScript and Node.js catalog: Encryption Fundamentals in Node.js.

Open course in the Application Security: JavaScript and Node.js catalog: Event-Driven Security in Node.js.

Open course in the Application Security: JavaScript and Node.js catalog: Injection Vulnerabilities for JavaScript Developers.

Open course in the Application Security: JavaScript and Node.js catalog: Input Validation in JavaScript.

Open course in the Application Security: JavaScript and Node.js catalog: Introduction to Node.js Application Security.

Open course in the Application Security: JavaScript and Node.js catalog: ORM Security Patterns in Node.js.

Open course in the Application Security: JavaScript and Node.js catalog: Path Traversal Prevention in Node.js.

Open course in the Application Security: JavaScript and Node.js catalog: REST API Security in NodeJS.

Open course in the Application Security: JavaScript and Node.js catalog: Safe File Handling in Node.js.

Open course in the Application Security: JavaScript and Node.js catalog: Safe Process Execution in Node.js.

Open course in the Application Security: JavaScript and Node.js catalog: Secrets Management in Node.js.

Open course in the Application Security: JavaScript and Node.js catalog: Secure Child Process Usage in Node.js.

Open course in the Application Security: JavaScript and Node.js catalog: Secure Database Connections in Node.js.

Open course in the Application Security: JavaScript and Node.js catalog: Secure Dockerized Node.js Applications.

Open course in the Application Security: JavaScript and Node.js catalog: Secure File Uploads in Node.js.

Open course in the Application Security: JavaScript and Node.js catalog: Secure Random Numbers in Node.js.

Open course in the Application Security: JavaScript and Node.js catalog: SQL Injection Prevention in Node.js.

Open course in the Application Security: Python catalog: Certificate Validation in Python.

Open course in the Application Security: Python catalog: Common Python Security Mistakes.

Open course in the Application Security: Python catalog: Digital Signatures in Python.

Open course in the Application Security: Python catalog: Environment Variable Security in Python.

Open course in the Application Security: Python catalog: Exception Handling Without Information Leakage in Python.

Open course in the Application Security: Python catalog: HTTP Security Headers in Python.

Open course in the Application Security: Python catalog: Input Validation in Python.

Open course in the Application Security: Python catalog: Path Traversal Prevention in Python.

Open course in the Application Security: Python catalog: Safe Data Serialization in Python.

Open course in the Application Security: Python catalog: Safe File Handling in Python.

Open course in the Application Security: Python catalog: Safe Logging in Python.

Open course in the Application Security: Python catalog: Safe ORM Usage in Python.

Open course in the Application Security: Python catalog: Safe Process Execution in Python.

Open course in the Application Security: Python catalog: Secrets Management in Python.

Open course in the Application Security: Python catalog: Secure API Clients in Python.

Open course in the Application Security: Python catalog: Secure Database Connections in Python.

Open course in the Application Security: Python catalog: Secure HTTP Clients in Python.

Open course in the Application Security: Python catalog: Secure JSON and YAML Processing in Python.

Open course in the Application Security: Python catalog: Secure Random Number Generation in Python.

Open course in the Application Security: Python catalog: Secure Socket Programming in Python.

Open course in the Application Security: Python catalog: Secure Subprocess Usage in Python.

Open course in the Application Security: Python catalog: Secure Template Rendering in Python.

Open course in the Application Security: Python catalog: SQL Injection Prevention in Python.

Open course in the Application Security: Python catalog: Temporary File Security in Python.

Open course in the Application Security: Python catalog: TLS Fundamentals in Python.

Open course in the Application Security: Python catalog: Webhook Security in Python.

Open course in the Application Security: Python catalog: XSS Prevention in Python Frameworks.

Open course in the Application Security: TypeScript catalog: Input Validation in TypeScript.

Open course in the Application Security: TypeScript catalog: Introduction to TypeScript Application Security.

Open course in the Cryptography catalog: Harvest Now, Decrypt Later.

Open course in the Cryptography catalog: Introduction to Post-Quantum Cryptography.

Open course in the Cryptography catalog: NIST PQC Standards Overview.

Open course in the Cryptography catalog: PQC for TLS and Web Services.

Open course in the Cryptography catalog: Quantum Threats for Security Practitioners.

Open course in the Detection Engineering catalog: Detection Engineering.

Open course in the Detection Engineering catalog: Detection Lifecycle Management.

Open course in the Detection Engineering catalog: Telemetry Fundamentals.

Open course in the Detection Engineering catalog: What is EDR?.

Open course in the Detection Engineering catalog: What is SIEM?.

Open course in the Detection Engineering catalog: Writing Detection Rules.

Open course in the Digital Forensics catalog: Android Forensics Fundamentals.

Open course in the Digital Forensics catalog: Browser Forensics Fundamentals.

Open course in the Digital Forensics catalog: Building a DFIR Toolkit.

Open course in the Digital Forensics catalog: Introduction to Digital Forensics and Incident Response.

Open course in the Digital Forensics catalog: iPhone Forensics Fundamentals.

Open course in the Digital Forensics catalog: Linux Forensics Fundamentals.

Open course in the Digital Forensics catalog: macOS Forensics Fundamentals.

Open course in the Digital Forensics catalog: Static Malware Analysis Fundamentals.

Open course in the Digital Forensics catalog: USB and Removable Media Analysis.

Open course in the Digital Forensics catalog: Windows Forensics Fundamentals.

Open course in the Digital Forensics catalog: Windows Global Device Identifier and Device Tracking.

Open course in the Drone Operations catalog: Aerial Observation Fundamentals.

Open course in the Drone Operations catalog: Building a Drone Operations Center.

Open course in the Drone Operations catalog: Drone-Based Infrastructure Inspection.

Open course in the Drone Operations catalog: Environmental Factors in Drone Operations.

Open course in the Drone Operations catalog: GPS Spoofing and Jamming Fundamentals.

Open course in the Drone Operations catalog: Introduction to Drone Operations.

Open course in the Drone Operations catalog: Night Operations Fundamentals.

Open course in the Drone Operations catalog: Operating in Challenging Weather.

Open course in the Drone Operations catalog: Thermal Imaging Fundamentals.

Open course in the Effective Learning catalog: ADDIE Model for eLearning Course Creation.

Open course in the Effective Learning catalog: Cognitive Load Theory.

Open course in the Effective Learning catalog: Critical Thinking.

Open course in the Effective Learning catalog: eLearning Course Creation with Adobe Creative Cloud.

Open course in the Effective Learning catalog: eLearning Course Creation with Articulate 360.

Open course in the Effective Learning catalog: Energy as a Resource.

Open course in the Effective Learning catalog: How People Learn.

Open course in the Effective Learning catalog: Human Performance Fundamentals.

Open course in the Effective Learning catalog: Introduction to Decision Science.

Open course in the Effective Learning catalog: Introduction to Deliberate Practice.

Open course in the Effective Learning catalog: Introduction to Neuroplasticity.

Open course in the Effective Learning catalog: Lifestyle Modulators of Neuroplasticity.

Open course in the Effective Learning catalog: Metacognition.

Open course in the Effective Learning catalog: Reflective Practice.

Open course in the Effective Learning catalog: Sleep and Learning.

Open course in the Effective Learning catalog: The Science of Expert Performance.

Open course in the Effective Learning catalog: The Science of Expertise.

Open course in the Effective Learning catalog: The Science of Motivation.

Open course in the Effective Learning catalog: Time as a Resource.

A practical introduction to Bayesian networks for modeling uncertain variables, dependencies, evidence, inference, learning, validation, and responsible decision support.

Open course in the Explainers catalog: What are FedRAMP Baselines?.

Open course in the Explainers catalog: What Are the CIS Controls?.

Open course in the Explainers catalog: What Is CMMC 2.0?.

Open course in the Explainers catalog: What is Continuous Monitoring?.

Open course in the Explainers catalog: What is Cyber Kill Chain.

Open course in the Explainers catalog: What Is Detection Engineering?.

Open course in the Explainers catalog: What is FedRAMP High?.

Open course in the Explainers catalog: What Is FedRAMP?.

Open course in the Explainers catalog: What is Incident Response Lifecycle.

Open course in the Explainers catalog: What Is NIST SP 800-53?.

Open course in the Explainers catalog: What Is RMF?.

Open course in the Explainers catalog: What Is SBOM?.

Open course in the Explainers catalog: What Is SOC 2?.

Open course in the Explainers catalog: What Is Threat Hunting?.

Open course in the Explainers catalog: What Is Vulnerability Management?.

Open course in the Explainers catalog: What Is Zero Trust?.

Open course in the Governance, Risk, and Compliance catalog: FedRAMP Evidence and Documentation.

Open course in the Governance, Risk, and Compliance catalog: FedRAMP Vulnerability Management.

A practical introduction to using NIST CSF 2.0 as a flexible cybersecurity risk management framework for outcomes, profiles, tiers, governance, communication, and continuous improvement.

Open course in the Governance, Risk, and Compliance catalog: OWASP Top 10 2025 Mapped to CIS Critical Security Controls.

Open course in the Governance, Risk, and Compliance catalog: OWASP Top 10 2025 Mapped to CMMC 2.0 Practices.

Open course in the Governance, Risk, and Compliance catalog: OWASP Top 10 2025 Mapped to HIPAA Security Rule Safeguards.

Open course in the Governance, Risk, and Compliance catalog: OWASP Top 10 2025 Mapped to ISO/IEC 27001 and ISO/IEC 27002 Controls.

Open course in the Governance, Risk, and Compliance catalog: OWASP Top 10 2025 Mapped to NIST SP 800-53 Rev. 5.

Open course in the Governance, Risk, and Compliance catalog: OWASP Top 10 2025 Mapped to PCI DSS v4.0 Requirements.

Open course in the Governance, Risk, and Compliance catalog: OWASP Top 10 2025 Mapped to SOC 2 Trust Services Criteria.

A practical course on the difference between SOC 2 Type I and Type II reports, evidence, scope, and sustainable readiness.

A practical course on RAM-backed Linux boot designs, including live-to-RAM systems, initramfs, tmpfs, overlays, volatile root patterns, persistence planning, updates, and recovery.

A practical introduction to cloud identity and access management: principals, policies, least privilege, federation, workload identity, risky permission paths, monitoring, governance, and access review.

Open course in the Infrastructure and Cloud Security catalog: Cloud Incident Response Fundamentals.

Open course in the Infrastructure and Cloud Security catalog: Cloud Security Fundamentals.

Open course in the Infrastructure and Cloud Security catalog: Container Security Fundamentals.

Open course in the Infrastructure and Cloud Security catalog: Container Vulnerability Management.

A practical course on planning, operating, and improving defensive DDoS mitigation for internet-facing services.

A practical, operations-focused course on building and using incident response playbooks.

Open course in the Infrastructure and Cloud Security catalog: Known Exploited Vulnerabilities.

A practical defensive introduction to safely operating Linux systems through identity, permissions, services, patching, remote access, monitoring, backups, and controlled change.

A practical introduction to reducing network attack surface and improving resilience through inventory, segmentation, access control, secure configuration, patching, monitoring, validation, and change control.

Open course in the Infrastructure and Cloud Security catalog: Patch Management for Containerized Environments.

Open course in the Infrastructure and Cloud Security catalog: PetitPotam: NTLM Relay, AD CS Exposure, Detection, and Defense.

A practical introduction to reducing operating system and endpoint risk through inventory, baselines, least privilege, service reduction, patching, logging, endpoint protection, backup readiness, validation, and change control.

A practical introduction to finding, understanding, prioritizing, remediating, verifying, and improving vulnerability management work across enterprise technology environments.

Open course in the Local LLM catalog: AI Homelab Fundamentals.

Open course in the Local LLM catalog: Batch Size Tuning for LLM Inference.

Open course in the Local LLM catalog: Building a Private AI Assistant.

Open course in the Local LLM catalog: Building a Private Security Operations Dashboard.

Open course in the Local LLM catalog: Building an AI Inference Cluster.

Open course in the Local LLM catalog: Choosing Local Model for Vision.

Open course in the Local LLM catalog: Choosing the Right Model for Your Hardware.

Open course in the Local LLM catalog: Cloud GPU Fundamentals.

Open course in the Local LLM catalog: Cost Controls for Cloud GPU Workloads.

Open course in the Local LLM catalog: Getting Started with llama.cpp.

Open course in the Local LLM catalog: GGUF Fundamentals.

Open course in the Local LLM catalog: GPU Drivers for Linux AI Systems.

Open course in the Local LLM catalog: Hybrid and Cluster AI Telemetry Fundamentals.

Open course in the Local LLM catalog: Hybrid Local and Cloud AI Architectures.

An introductory course on local LLM hardware, model memory, runtimes, operating systems, tuning, security, privacy, and operations.

Open course in the Local LLM catalog: Introduction to Local Vision AI Monitoring.

Open course in the Local LLM catalog: LM Studio for Sovereign AI Workflows.

Open course in the Local LLM catalog: Load Balancing for Multiple Local LLM Servers.

Open course in the Local LLM catalog: Managing Large Context Windows.

Open course in the Local LLM catalog: MCP Fundamentals.

Open course in the Local LLM catalog: MCP Security.

Open course in the Local LLM catalog: Model Quantization Fundamentals.

Open course in the Local LLM catalog: Multi-GPU Fundamentals.

Open course in the Local LLM catalog: Ollama Operations Fundamentals.

Open course in the Local LLM catalog: Open WebUI Fundamentals.

Open course in the Local LLM catalog: Optimizing Local LLM Performance.

Open course in the Local LLM catalog: Private RAG Architecture.

Open course in the Local LLM catalog: Renting GPUs in the Cloud.

Open course in the Local LLM catalog: Running LLMs on Apple Silicon.

Open course in the Local LLM catalog: Serving LLMs over APIs.

Open course in the Local LLM catalog: Sovereign AI Fundamentals.

Open course in the Local LLM catalog: Turning a Gaming PC into an AI Workstation.

Open course in the OSINT catalog: Building an OSINT Workflow.

Open course in the OSINT catalog: Building an OSINT Workstation.

Open course in the OSINT catalog: Coordinating Intelligence Operations in Multiple Jurisdictions.

A defensive, analyst-focused course on evaluating misleading claims, digital artifacts, impersonation pressure, uncertainty, and escalation.

Open course in the OSINT catalog: Deepfakes and Synthetic Media.

A practical course on turning authorized information into transparent, decision-ready intelligence analysis.

Open course in the OSINT catalog: Introduction to OSINT.

Open course in the OSINT catalog: Structured Analytic Techniques.

Open course in the OSINT catalog: Technical OSINT Fundamentals.

Open course in the OSINT catalog: Understanding Digital Footprints.

Open course in the OT Security catalog: Business Continuity in OT Environments.

Open course in the OT Security catalog: ICS Components and Architectures.

Open course in the OT Security catalog: IEC 62443 Fundamentals.

Open course in the OT Security catalog: Industrial Protocols.

Open course in the OT Security catalog: Introduction to OT Security.

Open course in the OT Security catalog: NIST SP 800-82 Fundamentals.

Open course in the OT Security catalog: OT Security Monitoring Fundamentals.

Open course in the OT Security catalog: OT Telemetry Fundamentals.

Open course in the OT Security catalog: OT Threat Landscape.

Open course in the OT Security catalog: OT Vulnerability Management.

Open course in the OT Security catalog: Purdue Model.

A practical course on structured, defensive threat hunting: questions, hypotheses, telemetry, behavior mapping, querying, validation, outcomes, and detection improvement.

Open course in the Threat Hunting catalog: Threat Hunting in Industrial Networks.

Open course in the Threat Hunting catalog: What is Threat Hunting?.

A practical introduction to turning threat information into defensive decisions, security operations, and measurable action.