Network security courses can help you learn about firewalls, intrusion detection systems, and encryption protocols. You can build skills in risk assessment, incident response, and vulnerability management. Many courses introduce tools like Wireshark for network analysis, Nessus for vulnerability scanning, and various security information and event management (SIEM) systems, showing how these skills are applied in practical work to protect networks from cyber threats.

Infosec
Skills you'll gain: Secure Coding, Application Security, Computer Programming Tools, C and C++, C++ (Programming Language), Software Development Tools, Security Software, C (Programming Language)
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Embedded Software, Embedded Systems, Computer Hardware, Electronic Hardware, Hardware Architecture, Internet Of Things, Hardware Troubleshooting, System Programming, System Software, Peripheral Devices, System Configuration, Test Tools, C (Programming Language), Computer Architecture, Software Architecture, Development Environment, Debugging
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Image Analysis, Computer Vision, Deep Learning, Machine Learning Methods, Matlab, Transfer Learning, Traffic Flow Optimization
Beginner · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Social Media, Social Media Marketing, Social Media Management, Social Media Strategy, Social Media Content, Social Media Campaigns, Marketing Strategies, Content Performance Analysis, Data-Driven Marketing, Social Media Analytics, Campaign Management, Marketing Effectiveness, Email Marketing, Marketing Analytics, Digital Marketing, Marketing Planning, Marketing, Strategic Marketing, UI/UX Strategy, Brand Management
Beginner · Specialization · 1 - 3 Months

Ball State University
Skills you'll gain: Cryptography, Application Security, Encryption, Authentications, Cybersecurity, Cryptographic Protocols, Data Encryption Standard, Advanced Encryption Standard (AES), Email Security, Network Security, Information Systems Security, Secure Coding, Key Management, Application Development, Public Key Infrastructure, Network Protocols, Algorithms, Data Integrity
Build toward a degree
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Prompt Engineering, Context Engineering, Generative AI, Retrieval-Augmented Generation, Generative Model Architectures, Multimodal Prompts, ChatGPT, AI literacy, OpenAI, Generative Adversarial Networks (GANs), Responsible AI, Context Management, Data Ethics, Large Language Modeling, Embeddings
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Medical Billing, Medical Billing and Coding, Claims Processing, Revenue Cycle Management, Medical Office Procedures, Clinical Documentation, Medical Coding, Billing & Invoicing, CPT Coding
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Simulation and Simulation Software, Simulations, Microbiology, Network Model, Biology, Programming Principles, Mathematical Modeling, Computer Programming
Intermediate · Guided Project · Less Than 2 Hours

John Wiley & Sons
Skills you'll gain: Operating Expense, Dashboard, Mergers & Acquisitions, Business Valuation, Operating Cost, Financial Forecasting, Working Capital, Business Planning, Performance Measurement, Financial Analysis, Financial Statements, Financial Management, Financial Statement Analysis, Financial Acumen, Performance Analysis, Performance Metric, Financial Planning, Performance Management, Key Performance Indicators (KPIs), Business Marketing
Beginner · Specialization · 3 - 6 Months

SkillUp
Skills you'll gain: Data Storytelling, Data Presentation, Dashboard, Power BI, Data Visualization, Dashboard Creation, Interactive Data Visualization, Analytics, Data Analysis, Data Modeling, Data Visualization Software, Advanced Analytics, Data Analysis Expressions (DAX), Star Schema, Data Cleansing, Data Transformation, Data Import/Export, Data Security, Security Controls
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Responsible AI, Backlogs, AI Product Strategy, Data Ethics, Scrum (Software Development), AI Enablement, Sprint Planning, Sprint Retrospectives, Risking, AI Integrations, Scaled Agile Framework, AI Personalization, Prompt Engineering, Agile Software Development, Agile Methodology, Agile Product Development, Agile Project Management, Prioritization, Generative AI, Predictive Analytics
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microbiology, Pharmacology, Sensory Systems Analysis, Health Disparities, Molecular Biology, Infection Control, Infectious Diseases, Chemistry, Social Sciences, Biochemistry, Psychology, Molecular, Cellular, and Microbiology, Sociology, Cultural Sensitivity, Analytical Chemistry, Immunology, Behavior Management, Biology, Decision Making, Taxonomy
Intermediate · Professional Certificate · 3 - 6 Months