Internet Security courses can help you learn about network security protocols, encryption techniques, and threat detection methods. You can build skills in risk assessment, incident response, and implementing security policies. Many courses introduce tools like firewalls, intrusion detection systems, and antivirus software, demonstrating how these tools are used to protect sensitive data and maintain system integrity.

Infosec
Skills you'll gain: Digital Forensics, grep, Network Protocols, General Networking, Record Keeping, Data Storage, Data Integrity, File Management, Ethical Standards And Conduct, Encryption, Data Validation, Technical Documentation
★ 4.7 (272) · Intermediate · Course · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Infectious Diseases, Epidemiology, Food and Beverage, Nutrition and Diet, Food Safety and Sanitation, Infection Control, Public Health and Disease Prevention, Public Health, Physiology, Preventative Care, Sustainable Systems, Immunology, Microbiology, Caregiving, Environment and Resource Management
★ 4.8 (631) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Meta Ads Manager, Target Audience, Facebook, Campaign Planning, Advertising Campaigns, Social Media Campaigns, Campaign Management, Social Media, Social Media Management, Paid media, Online Advertising, Social Media Marketing, Advertising, Digital Advertising, Marketing, Digital Marketing, Budgeting, Cost Management
★ 4.7 (438) · Intermediate · Guided Project · Less Than 2 Hours

Nanjing University
Skills you'll gain: Data Processing, Data Mining, Data Structures, Data Presentation, Object Oriented Programming (OOP), Web Scraping, Data Capture, Data Analysis, Python Programming, NumPy, Data Preprocessing, Data Visualization, UI Components, User Interface (UI) Design
★ 4.1 (378) · Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Intercultural Competence, Cultural Sensitivity, Healthcare Ethics, Cultural Diversity, Public Health and Disease Prevention, Stress Management, Preventative Care, Injury Prevention, Occupational Health, Public Health, Health And Safety Standards, Safety and Security, Ethical Standards And Conduct, Adaptability, Infectious Diseases, Emergency Response, Mental Health, Planning
★ 4.7 (465) · Beginner · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: Descriptive Analytics, Analytics, Dashboard, Dashboard Creation, Data Analysis, Amazon Web Services, Data-Driven Decision-Making, Data Visualization, Cloud Security, Cloud Computing
★ 4.5 (914) · Beginner · Course · 1 - 4 Weeks

University at Buffalo
Skills you'll gain: Process Mapping, Performance Improvement, Data Collection, Process Improvement, Process Improvement and Optimization, Business Process, Business Process Improvement, Process Design, Data Strategy, Process Analysis, Data-Driven Decision-Making, Performance Measurement, Process Flow Diagrams, Business Priorities, Data Validation, Business Process Modeling, Plan Execution, Data Capture, Operational Performance Management, Performance Analysis
★ 4.7 (271) · Beginner · Course · 1 - 4 Weeks

Universidad de los Andes
Skills you'll gain: Artificial Intelligence, Machine Learning Methods, Artificial Intelligence and Machine Learning (AI/ML), Image Analysis, Reinforcement Learning, Computer Vision, Agentic systems, Machine Learning Algorithms, Machine Learning, Semantic Web, AI literacy, Natural Language Processing, Embedded Systems, Responsible AI, Data Ethics, Supervised Learning, Applied Machine Learning, Embedded Software, Algorithms, Ethical Standards And Conduct
★ 4.6 (323) · Beginner · Course · 1 - 3 Months

L&T EduTech
Skills you'll gain: Product Lifecycle Management, Embedded Systems, Embedded Software, Automation Engineering, Machine Controls, Manufacturing and Production, Manufacturing Processes, Product Engineering, Robotic Process Automation, Control Systems, Computer-Aided Design, Manufacturing Operations, Automation, Internet Of Things, Production Process, Robotics, Cyber Engineering, Digital Transformation, Industrial Engineering, C (Programming Language)
★ 4.5 (39) · Intermediate · Specialization · 1 - 3 Months

University of Copenhagen
Skills you'll gain: Political Sciences, Social Sciences, Cultural Diversity, International Relations, Governance, World History, Policy Analysis, Sociology, Civil Law, Socioeconomics, Public Safety and National Security, European History, Economics
★ 4.8 (752) · Mixed · Course · 1 - 3 Months

The Hong Kong University of Science and Technology
Skills you'll gain: Governance Risk Management and Compliance, Regulatory Compliance, Business Continuity Planning, Compliance Management, Financial Regulation, Disaster Recovery, Risk Management Framework, Financial Controls, Operational Risk, Financial Services, Business Continuity, Financial Regulations, Security Management, Risk Management, Business Risk Management, Information Technology, Risk Control, Governance, Regulatory Requirements, Contingency Planning
★ 4.7 (226) · Beginner · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Web Development, Flask (Web Framework), Restful API, Cloud Deployment, Selenium (Software), Front-End Web Development, Web Applications, Full-Stack Web Development, Secure Coding, Web Design and Development, Object-Relational Mapping, JavaScript Frameworks, Application Security, Test Tools, Cloud Applications, HTML and CSS, Back-End Web Development, Databases, Application Programming Interface (API), Collaboration
★ 3.9 (26) · Beginner · Course · 1 - 3 Months