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: Bash (Scripting Language), Distributed Computing, Scalability, Software Architecture, File I/O, Big Data, Operating Systems, File Systems, Cloud Development, Scripting, Command-Line Interface, C and C++, Performance Tuning, Linux, Programming Principles, Computer Architecture, Communication Systems
Advanced · Specialization · 3 - 6 Months
DeepLearning.AI
Skills you'll gain: Model Evaluation, Applied Machine Learning, Image Analysis, Environmental Monitoring, Convolutional Neural Networks, Artificial Intelligence, Climate Change Mitigation, Artificial Neural Networks, Forecasting, Computer Vision, Predictive Modeling, Data Preprocessing, Environmental Science, Supervised Learning
Beginner · Course · 1 - 4 Weeks

Yonsei University
Skills you'll gain: Apache Spark, Big Data, SPSS, Analytics, Real Time Data, Apache Hadoop, Data Processing, Business Analytics, Statistical Analysis, Data Analysis Software, Business Strategy, Market Share, Distributed Computing, Scalability
Beginner · Course · 1 - 3 Months

Columbia University
Skills you'll gain: Portfolio Management, Investment Management, Portfolio Risk, Asset Management, Market Liquidity, Risk Management, Financial Market, Equities, Risk Analysis, Transaction Processing, Securities Trading, Financial Analysis, Statistical Analysis
Intermediate · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Simulations, Social Sciences, Systems Thinking, Agentic systems, Social Network Analysis, Model Evaluation, Sociology, Economics, Scientific Methods, Computer Programming
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Loans, Lending and Underwriting, Blockchain, Commercial Lending, Derivatives, FinTech, Market Liquidity, Financial Trading, Securities (Finance), Digital Assets, Liquidation, Transaction Processing, Asset Management, Arbitration, Portfolio Management, Governance
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Health Care, Clinical Assessment, Primary Care, Psychosocial Assessments, Maternal Health, Health Assessment, Public Health and Disease Prevention, Patient-centered Care, Behavioral Health, Obstetrics And Gynecology, Gynecology, Community Health, Health Technology, Cultural Diversity, Health Policy, Safety and Security
Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Convolutional Neural Networks, Image Analysis, Data Pipelines, Data Preprocessing, Model Evaluation, Machine Learning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Active Directory, Security Management, Azure Active Directory
Intermediate · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: C (Programming Language), Data Structures, Application Security, System Programming, Programming Principles, Performance Tuning
Intermediate · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Closing (Sales), Sales Process, Sales Presentation, Technical Sales, Sales, Sales Development, Sales Management, Sales Strategy, Solution Sales Engineering, Prospecting and Qualification, Emerging Technologies, Outside Sales, Inside Sales, Needs Assessment, Consultative Approaches, Negotiation, Overcoming Objections, Cloud Computing, Cybersecurity
Beginner · Course · 1 - 3 Months

Infosec
Skills you'll gain: Open Web Application Security Project (OWASP), Secure Coding, Distributed Denial-Of-Service (DDoS) Attacks, Application Security, Security Testing, Authorization (Computing), Authentications, Data Validation, Encryption, Security Controls, Data Security, Vulnerability Scanning, Role-Based Access Control (RBAC), Verification And Validation, Intrusion Detection and Prevention, Database Application, Security Awareness, Cybersecurity, Web Servers, Web Development Tools
Beginner · Specialization · 1 - 3 Months