Security certification courses can help you learn risk assessment, incident response, network security principles, and compliance standards. You can build skills in threat analysis, vulnerability management, and implementing security policies effectively. Many courses introduce tools such as firewalls, intrusion detection systems, and security information and event management (SIEM) software, showing how these tools are applied in real-world security scenarios to protect sensitive information and systems.

Duke University
Skills you'll gain: Climate Change Adaptation, Health Disparities, Health Equity, Climate Change Programs, Environmental Issue, Advocacy, Social Determinants Of Health, Environmental Science, Health Education, Community Health, Health Care, Public Health, Patient Education And Counseling, Health Systems, Public Health and Disease Prevention, Community Organizing, Climate Change Mitigation, Sustainable Systems, Clinical Leadership, Leadership Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Predictive Modeling, Data Preprocessing, Django (Web Framework), Data Visualization, Plot (Graphics), Predictive Analytics, Statistical Visualization, Model Training, Model Evaluation, File I/O, Application Programming Interface (API), Programming Principles, Databases, Development Environment, Web Applications, Code Reusability, Data Management, Functional Design, Memory Management, Data Validation
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Cardiac Surgery, Chronic Diseases, Patient Education And Counseling, Cardiology, Medical Surgical Nursing, Care Management, Cardiac Stress Testing, Electocardiography, Nursing, Patient Evaluation, Cardiac Dysrhythmia, Care Coordination, Patient Education and Support, Nursing Care, Nursing Practices, Echocardiography, Advanced Cardiovascular Life Support (ACLS) Certification, Perioperative Care, Diagnostic Tests, Hemodynamics
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Precision Medicine, Game Theory, Reinforcement Learning, Data-Driven Decision-Making, Clinical Trials, Bioinformatics, Image Analysis, Markov Model, Bayesian Statistics, Data Analysis, Time Series Analysis and Forecasting, Decision Making, Data Science, Biostatistics, Strategic Decision-Making, Clinical Research, Statistical Methods, Cyber Security Strategy, Decision Intelligence, Statistical Analysis
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Network Troubleshooting, Network Protocols, Network Monitoring, Network Analysis, TCP/IP, Cyber Security Assessment, Network Security, User Interface (UI)
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Salesforce Development, Salesforce, Web Components, Application Design, Application Development, No-Code Development, UI Components, Cloud Applications, User Interface (UI), Customer Relationship Management (CRM) Software
Intermediate · Course · 1 - 4 Weeks

National Taiwan University
Skills you'll gain: International Relations, Political Sciences, Public Affairs, Social Sciences, Media and Communications, Economics, Policy, and Social Studies, Diplomacy, Policy Analysis, Governance, Public Safety and National Security, Advocacy
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Deepseek, DeepSeek API, Hugging Face, Large Language Modeling, LLM Application, AI Personalization, ChatGPT, Deep Learning, Open Source Technology, AI literacy, Model Deployment, AI Integrations, Applied Machine Learning, Application Programming Interface (API), Business Process Automation
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Interviewing Skills, Workplace inclusivity, Diversity Equity and Inclusion Initiatives, Diversity Training, Talent Recruitment, Diversity Awareness, Recruitment Strategies, Talent Acquisition, Discussion Facilitation, Talent Sourcing, Active Listening
Intermediate · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Remote Access Systems, Command-Line Interface, System Monitoring, Unix Commands, User Accounts, Unix Shell, Linux, Linux Administration, Shell Script, Linux Commands, User Provisioning, Operating System Administration, Linux Servers, Network Security, Systems Administration, Software Installation, File Systems, System Configuration, Data Sharing, Operating Systems
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Overcoming Objections, Consultative Selling, Closing (Sales), B2B Sales, Consultative Approaches, Sales, Selling Techniques, Consumer Behaviour, Sales Development, Sales Process, Marketing Psychology, Cold Calling, General Sales Practices, Sales Management, Price Negotiation, Sales Presentations, Sales Presentation, Sales Pipelines, Sales Enablement, Prospecting and Qualification
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Content Performance Analysis, Proposal Writing, Proposal Development, Marketing Collateral, Marketing Materials, Security Controls, Finance, Project Management
Beginner · Guided Project · Less Than 2 Hours