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 Washington
Skills you'll gain: Feature Engineering, Unsupervised Learning, Data Ethics, Statistical Visualization, Data Storytelling, Big Data, Relational Databases, Supervised Learning, Database Systems, Dataflow, Data Visualization Software, Databases, Statistical Machine Learning, Model Evaluation, Predictive Analytics, R Programming, Data Analysis, SQL, Predictive Modeling, Python Programming
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: TCP/IP, Network Protocols, Network Monitoring, OSI Models, Network Security, Web Servers, Network Analysis
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Test Script Development, Selenium (Software)
Beginner · Course · 1 - 4 Weeks

Universidad de los Andes
Skills you'll gain: Artificial Intelligence, Image Analysis, Reinforcement Learning, Computer Vision, Machine Learning, Semantic Web, Natural Language Processing, Embedded Systems, Data Ethics, Supervised Learning, Deep Learning, Algorithms
Beginner · Course · 1 - 3 Months

Automatic Data Processing, Inc. (ADP)
Skills you'll gain: Payroll, Payroll Systems, Payroll Processing, Payroll Administration, Payroll Reporting, Payroll Tax, Data Entry, Workforce Management, Benefits Administration, Compensation Management, Personally Identifiable Information, Employee Onboarding, Reconciliation, Auditing, Tax Compliance, Data Security
Beginner · Course · 1 - 4 Weeks
DeepLearning.AI
Skills you'll gain: Disaster Recovery, Image Analysis, Data Ethics, Emergency Response, Mitigation, Text Mining, Natural Language Processing, Artificial Intelligence, Geospatial Mapping, Computer Vision, Spatial Data Analysis, Artificial Neural Networks, Convolutional Neural Networks, Model Evaluation, Data Preprocessing, Exploratory Data Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Database Design, Relational Databases, SQL, Databases, R Programming, Database Management, Data Science, Data Modeling, Query Languages, Data Access, Data Manipulation, Data Analysis
Beginner · Course · 1 - 3 Months

Infosec
Skills you'll gain: Cyber Risk, Risk Management Framework, Cybersecurity, Cyber Governance, Cyber Security Strategy, Risk Management, Infrastructure Security, Cyber Security Assessment, Security Controls, Vulnerability Assessments, Stakeholder Communications, Continuous Improvement Process, Asset Management
Mixed · Course · 1 - 3 Months

Tel Aviv University
Skills you'll gain: World History, European History, Social Studies, International Relations, Political Sciences, Public Safety and National Security, Demography, Cultural Diversity
Beginner · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Session Initiation Protocols, Android Studio, Android Development, Internet Of Things, Communication Systems, Network Protocols, Telecommunications, Wireless Networks, Mobile Development, Application Development, Embedded Systems, Open Source Technology
Mixed · Course · 1 - 3 Months

Skills you'll gain: Microsoft Excel, Pivot Tables And Charts, Excel Formulas, Spreadsheet Software, Business Reporting, Data Visualization, Excel Macros, Dashboard, Forecasting, Data Analysis, Data Visualization Software, Predictive Modeling, Data Validation, Productivity Software, Data Entry, Data Management, Financial Modeling, Data Security, Data Integrity, Computer Literacy
Beginner · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Shiny (R Package), Rmarkdown, Plotly, Interactive Data Visualization, Data Presentation, Data Visualization Software, R Programming, Data Mapping, Statistical Reporting, Software Documentation, Web Applications, Package and Software Management
Mixed · Course · 1 - 3 Months