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.

Universitat Autònoma de Barcelona
Skills you'll gain: General Data Protection Regulation (GDPR), Law, Regulation, and Compliance, Personally Identifiable Information, Security Controls, Information Privacy, Data Security, Data Governance, Security Management, Regulation and Legal Compliance, Data Management, Data Integrity, Data Access, Regulatory Compliance, Risk Analysis, Informed Consent
★ 4.6 (150) · Beginner · Course · 1 - 4 Weeks

Imperial College London
Skills you'll gain: Epidemiology, Infection Control, Infectious Diseases, Mathematical Modeling, Public Health and Disease Prevention, Public Health, R Programming, Differential Equations
★ 4.9 (274) · Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: OSI Models, Computer Networking, Virtualization, Data Centers, Virtual Networking, General Networking, Network Architecture, Networking Hardware, Network Protocols, TCP/IP, Network Infrastructure, Local Area Networks, Network Model, Telecommunications
★ 4.8 (19) · Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: AI Enablement, AI Product Strategy, Artificial Intelligence, AI literacy, Responsible AI, Business Strategy, Applied Machine Learning, Team Building, Data Ethics, Data Science, Artificial Neural Networks, Machine Learning, Deep Learning, Social Impact, Sales, Writing
★ 4.8 (25) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Human Resources Management and Planning, AI Enablement, Agentic Workflows, Workforce Development, Business Process Automation, Digital Transformation, AI Integrations, Employee Engagement, Recruitment
Intermediate · Course · 1 - 4 Weeks

Pearson
Skills you'll gain: Zero Trust Network Access, Cybersecurity, Cyber Security Strategy, Cyber Security Assessment, IT Security Architecture, Computer Security, Security Architecture Review, Network Security, Security Strategy, Cloud Standards, Cloud Security
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Tidyverse (R Package), Rmarkdown, R Programming, Ggplot2, R (Software), Plot (Graphics), Data Visualization, Data Import/Export, Statistical Visualization, Data Wrangling, Statistical Reporting, Data Visualization Software, Data Presentation, Data Analysis, Data Science, Data Manipulation, Statistical Analysis, Relational Databases, Data Cleansing, Communication
★ 4.1 (56) · Beginner · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Rmarkdown, Tidyverse (R Package), Ggplot2, Spatial Data Analysis, Data Visualization Software, Plot (Graphics), Data Visualization, Statistical Visualization, Spatial Analysis, Geospatial Information and Technology, Data Manipulation, Scatter Plots, R (Software), Plotly, Interactive Data Visualization, R Programming, Geospatial Mapping, Statistical Reporting, Data Wrangling, Graphing
★ 4.9 (81) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Clinical Data Management, Microsoft Excel, Patient Safety, Health Information Management, Excel Formulas, Data Cleansing, Data Analysis, Medical Records, Data Transformation, Data Wrangling, Data Quality, Analytical Skills, Spreadsheet Software, Data Manipulation, Data Mapping, Hospital Admissions, Data Integrity, Data Integration
Beginner · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Clinical Leadership, Nursing Administration, Nursing Management, Leadership, Nursing, Nursing Practices, Health Informatics, Informatics, Health Care, Information Management, Health Technology, General Networking, Culture
★ 4.8 (204) · Beginner · Course · 1 - 3 Months

MathWorks
Skills you'll gain: Model Evaluation, Computer Vision, Model Deployment, Anomaly Detection, Convolutional Neural Networks, Image Analysis, Transfer Learning, Model Training, Fine-tuning, Deep Learning, Generative AI, Artificial Neural Networks, Applied Machine Learning, Data Preprocessing, Matlab, Software Visualization, Classification Algorithms, Model Optimization, Predictive Modeling, Performance Tuning
★ 4.9 (35) · Beginner · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Cryptography, Encryption, Application Development, Security Engineering, C and C++, C++ (Programming Language)
★ 4.2 (16) · Intermediate · Guided Project · Less Than 2 Hours