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.

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

Digital Marketing Institute
Skills you'll gain: Content Scheduling, Digital Media Strategy, Social Media Marketing, Content Marketing, Digital Marketing, Marketing, Digital Marketing Campaigns, Social Media Content, Social Media, Content Creation, Digital Content, Social Media Strategy, Digital Marketing Tools, Integrated Marketing Communications, Consumer Behaviour, Business-To-Consumer, Digital Transformation, Content Strategy, Customer Engagement
★ 4.7 (417) · Beginner · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Criminal Investigation and Forensics, Public Safety and National Security, Social Justice, Legal Proceedings, Jury Trial, Political Sciences, Case Law, Neurology, Social Sciences, Policy Analysis, Appeals, Litigation and Civil Justice, Disabilities, Mental and Behavioral Health Specialties, Sociology, Mental Health Diseases and Disorders, Law, Regulation, and Compliance, Cultural Diversity, Investigation, Intelligence Collection and Analysis
★ 4.6 (197) · Beginner · Course · 1 - 3 Months

Yonsei University
Skills you'll gain: Deep Learning, Artificial Intelligence and Machine Learning (AI/ML), Tensorflow, Artificial Neural Networks, Convolutional Neural Networks, Machine Learning Methods, Recurrent Neural Networks (RNNs), Technology Strategies, Business Strategy, Machine Learning Software, Business Modeling, Business Strategies, Artificial Intelligence, Machine Learning, Company, Product, and Service Knowledge, Unsupervised Learning
★ 4.4 (687) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Google Analytics, Dashboard Creation, Data Storytelling, Content Performance Analysis, Data Validation, Stakeholder Engagement, Statistical Modeling, Search Engine Optimization, Marketing Analytics, Web Analytics, Marketing Automation, Data Visualization, Customer Insights, Data-Driven Decision-Making, Campaign Management, Key Performance Indicators (KPIs), Predictive Analytics, Performance Measurement, Return On Investment, Artificial Intelligence
Intermediate · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Magnetic Resonance Imaging, Data Analysis, Correlation Analysis, Image Analysis, Statistical Analysis, Advanced Analytics, Network Analysis, Medical Imaging, Regression Analysis, Psychology, Time Series Analysis and Forecasting, Neurology, Statistical Modeling, Statistical Methods, Statistical Inference, Dimensionality Reduction, Model Evaluation
★ 4.7 (249) · Mixed · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Control Systems, Machine Controls, Process Control, Laboratory Equipment, Manufacturing Processes, Embedded Software, Electronic Systems, Verification And Validation, Semiconductors, Laboratory Testing, Health Technology, Electronics Engineering, Medical Devices, Performance Tuning, Electronic Components, Network Protocols
★ 4.6 (322) · Intermediate · Course · 1 - 3 Months

Unilever
Skills you'll gain: Data Storytelling, Marketing Automation, Web Analytics, Marketing Effectiveness, Marketing Analytics, Customer Insights, Campaign Planning, Digital Marketing, Social Media Campaigns, Campaign Management, Digital Marketing Tools, Web Analytics and SEO, Market Analysis, Digital Advertising, Social Media Marketing, Search Engine Marketing, Marketing Strategies, Digital Media Strategy, Digital Analysis, Google Analytics
★ 4.7 (344) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Instagram, Content Scheduling, Social Media Content, Social Media, Social Media Management, Social Media Marketing, Social Media Strategy, Content Creation, Storytelling, Photo Editing
★ 4 (376) · Beginner · Guided Project · Less Than 2 Hours

Infosec
Skills you'll gain: Cyber Security Policies, Cyber Security Assessment, Risk Management Framework, Security Management, Cyber Risk, Cybersecurity, Cyber Governance, Cyber Security Strategy, Command-Line Interface
★ 4.6 (128) · Mixed · Course · 1 - 4 Weeks

Pearson
Skills you'll gain: Virtual Local Area Network (VLAN), Network Security, Network Troubleshooting, Dynamic Host Configuration Protocol (DHCP), Network Architecture, TCP/IP, Routing Protocols, Network Switches, Network Routing, Open Shortest Path First (OSPF), Wireless Networks, Network Support, Network Routers, Virtual Networking, Ansible, General Networking, Network Infrastructure, Software-Defined Networking, Network Planning And Design, Virtual Private Networks (VPN)
★ 4 (19) · Beginner · Specialization · 1 - 3 Months
Amazon Web Services
Skills you'll gain: Amazon CloudWatch, Containerization, Microservices, Cloud-Native Computing, Docker (Software), Amazon Web Services, Kubernetes, Application Deployment, Serverless Computing, Cloud Deployment, System Monitoring, Scalability
★ 4.6 (179) · Beginner · Course · 1 - 4 Weeks