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.

University of Colorado Boulder
Skills you'll gain: Statistical Hypothesis Testing, Descriptive Statistics, Statistical Visualization, Data Transformation, Data Cleansing, Statistical Analysis, Regression Analysis, Probability, Probability Distribution, Sampling (Statistics), Box Plots, Histogram, R Programming, Statistical Methods, Scatter Plots, Microsoft Excel, Probability & Statistics, Statistics, Data Import/Export, Data Analysis
Beginner · Specialization · 3 - 6 Months

Peking University
Skills you'll gain: Social Network Analysis, Game Theory, Graph Theory, Network Analysis, Market Dynamics, Social Sciences, Web Analytics and SEO, Computational Thinking, Information Technology, Political Sciences, Economics, Algorithms, Probability
Mixed · Course · 3 - 6 Months

Skills you'll gain: Email Security, Microsoft Outlook, Calendar Management, Gmail, Setting Appointments, Organizational Skills, Microsoft Office, Google Workspace, Scheduling, Computer Literacy, Productivity Software
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Overcoming Objections, Closing (Sales), Sales, Marketing Psychology, Regional Sales, Sales Process, Consumer Behaviour, Upselling, Customer Relationship Management, Sales Presentation, Customer Analysis, Negotiation, Price Negotiation, Contract Negotiation, Virtual Teams, Customer Retention, Cross-Channel Marketing, Account Management, Personalized Service, Customer Relationship Building
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Patient Communication, Active Listening, Medical Office Procedures, Patient-centered Care, Care Coordination, Trustworthiness, Health Care Administration, Verbal Communication Skills, Empathy, Patient Safety, Communication, Professionalism, Relationship Building, Clinical Documentation
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: NoSQL, Data Warehousing, Database Management Systems, Database Architecture and Administration, Database Administration, Databases, Relational Databases, Database Design, Big Data, Data Processing, Transaction Processing, Data Security, Scalability
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Regression Analysis, Linear Algebra, R Programming, Data Science, Probability Distribution, Statistical Modeling, Mathematical Modeling, Probability & Statistics, Applied Mathematics, Statistical Analysis, Statistical Inference
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Target Audience, Generative AI, Social Media Marketing, Social Media, Social Media Content, AI Personalization, Social Media Strategy, MarTech, Content Creation, Digital Marketing
Beginner · Course · 1 - 4 Weeks

Oracle
Skills you'll gain: Cloud Applications, Oracle Cloud, Application Development, Application Design, Oracle Databases, Authentications, Application Security, Authorization (Computing), UI Components, Data Import/Export, Interactive Data Visualization
Beginner · Course · 1 - 4 Weeks

University of Glasgow
Skills you'll gain: Federated Learning, Wireless Networks, Emerging Technologies, Digital Communications, Communication Systems, Blockchain, Internet Of Things, Network Security, Telecommunications, Network Performance Management, Network Planning And Design, Zero Trust Network Access, Computer Vision, Artificial Intelligence and Machine Learning (AI/ML), Electrical Engineering, Network Analysis, Information Technology, Electronics Engineering, Machine Learning, Trustworthiness
Intermediate · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: Cloud Management, Cloud Security, Cloud Infrastructure, Serverless Computing, Digital Transformation, Site Reliability Engineering, Network Security, Containerization, Artificial Intelligence and Machine Learning (AI/ML), Application Programming Interface (API), Google Cloud Platform, Data Governance, Hybrid Cloud Computing, Encryption, Cloud Storage, Real Time Data, Data Security, Cost Management, Cloud Services, Looker (Software)
Beginner · Specialization · 3 - 6 Months

University of Maryland, College Park
Skills you'll gain: Android Development, Mobile Development, Application Development, Data Management, User Interface (UI), UI Components, Human Computer Interaction, Java Programming, Event-Driven Programming, System Programming, Network Model, Geographic Information Systems, Interactive Design, User Interface (UI) Design, Data Storage, Animations, Computer Programming, Computer Graphics
Mixed · Course · 1 - 3 Months