Theoretical computer science courses can help you learn algorithms, computational complexity, automata theory, and formal languages. You can build skills in problem-solving, mathematical reasoning, and algorithm analysis, that support tackling complex computational tasks. Many courses introduce tools like Python for algorithm implementation, LaTeX for typesetting mathematical documents, and software for simulating automata, allowing you to apply these concepts in practical scenarios.

University of Colorado System
Skills you'll gain: Cryptography, Cybersecurity, Encryption, Public Key Cryptography Standards (PKCS), Brute-force attacks
Beginner · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Django (Web Framework), Application Development, Web Development, Application Deployment, Database Design, Web Applications, Back-End Web Development, Authentications, Object-Relational Mapping, Hypertext Markup Language (HTML), Data Modeling, UI Components, Relational Databases, Python Programming, Data Validation, User Accounts, Network Protocols, User Interface (UI) Design
Intermediate · Course · 1 - 3 Months

John Wiley & Sons
Skills you'll gain: Data Literacy, Responsible AI, Machine Learning Methods, Machine Learning, Applied Machine Learning, Unstructured Data, Generative AI, Machine Learning Algorithms, Model Training, NumPy, Python Programming, Data Science, Scalability, Artificial Intelligence, Model Optimization, Supervised Learning, Data Preprocessing, Unsupervised Learning, Feature Engineering, Algorithms
Beginner · Course · 1 - 3 Months

Skills you'll gain: C++ (Programming Language), Object Oriented Programming (OOP), Object Oriented Design, File I/O, Computer Programming, Microsoft Visual Studio, Computer Programming Tools, Integrated Development Environments, System Programming, Programming Principles, Apple Xcode, Code Reusability, Development Environment, Algorithms, File Systems, Software Design Patterns, Data Structures, Performance Tuning, Debugging, File Management
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Incident Response, Computer Security Incident Management, Endpoint Detection and Response, Cyber Threat Intelligence, Intrusion Detection and Prevention, Threat Detection, Cyber Attacks, Cybersecurity, Network Security, Digital Forensics, Network Monitoring, Data Security, Network Analysis, Exploitation techniques, Malware Protection, Memory Management
Beginner · Course · 1 - 3 Months

Epic Games
Skills you'll gain: Unreal Engine, Virtual Environment, Version Control, 3D Assets, Video Game Development, Software Configuration Management, Game Design, Content Management, Computer Graphics, Software Versioning, User Interface (UI), Collaborative Software, Data Import/Export, Software Installation
Beginner · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: User Experience, User Experience Design, User Story, Prototyping, Wireframing, User Interface and User Experience (UI/UX) Design, User Centered Design, Interactive Design, Ideation, Conceptual Design, Interaction Design, Persona (User Experience), User Interface (UI), Design, Usability Testing, Storyboarding, Mockups, Scenario Testing
Beginner · Course · 1 - 3 Months
Skills you'll gain: Blockchain, Digital Assets, FinTech, Agentic systems, Financial Inclusion, Business Modeling, Financial Systems, Payment Systems, Emerging Technologies, Business Transformation, Distributed Computing, Transaction Processing, Cryptographic Protocols, Identity and Access Management, Contract Management, Cost Reduction
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: WordPress, Search Engine Optimization, Web Analytics and SEO, Blogs, Content Optimization, Web Analytics, Content Performance Analysis, Web Content, Keyword Research, Content Management, Marketing, Analytics, Web Design, Web Development, User Experience
Advanced · Guided Project · Less Than 2 Hours

Skills you'll gain: Email Security, Cloud Infrastructure, Cloud Platforms, Cloud Computing, Generative AI, Cloud Computing Architecture, Generative AI Agents, Cloud Services, Cloud Development, Cybersecurity, Hardening, Data Storage, Peripheral Devices, Virtualization, Computer Hardware, OSI Models, General Networking, Database Administration, Programming Principles, Computer Programming
Beginner · Specialization · 3 - 6 Months
University of Michigan
Skills you'll gain: JSON, jQuery, Javascript and jQuery, Ajax, Debugging, Web Development Tools, Event-Driven Programming, Javascript, PHP (Scripting Language), Object Oriented Programming (OOP), Data Import/Export, Web Applications
Intermediate · Course · 1 - 4 Weeks

New York University
Skills you'll gain: Cyber Attacks, Infrastructure Security, Mobile Security, Enterprise Security, Cyber Risk, Cyber Governance, Cyber Security Policies, Cybersecurity, IT Security Architecture, Cloud Security, NIST 800-53, Hybrid Cloud Computing, Security Awareness, Security Controls, Risk Management Framework, Blockchain, Internet Of Things, Cryptographic Protocols, Cryptography, Data Integrity
Intermediate · Course · 1 - 4 Weeks