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: Hardware Architecture, Microarchitecture, Bash (Scripting Language), Distributed Computing, Scalability, Memory Management, Shell Script, Computer Systems, File I/O, Big Data, Linux Commands, Cloud Development, C and C++, Computer Programming Tools, Linux, Computing Platforms, Data Import/Export, C++ (Programming Language), Communication Systems, C (Programming Language)
Advanced · Specialization · 3 - 6 Months

Skills you'll gain: Overcoming Objections, Consultative Selling, Selling Techniques, Diversity Training, Consultative Approaches, Coaching, Sales Development, Team Collaboration, Sales Strategy, Intercultural Competence, Sales Training, Sales Prospecting, Collaboration, Consumer Behaviour, Sales Pipelines, Negotiation, Business Communication, Communication Strategies, Virtual Networking, Interpersonal Communications
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Cyber Threat Intelligence, Cyber Threat Hunting, Threat Detection, Vulnerability Assessments, Incident Response, Security Information and Event Management (SIEM), Threat Management, Cybersecurity, Intrusion Detection and Prevention, IT Security Architecture, Cloud Security, Security Architecture Review, Cyber Risk, Cyber Security Policies, Data Security, Network Security, Cyber Security Strategy, Personally Identifiable Information, Malware Protection, Risk Management
Beginner · Specialization · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Rmarkdown, Shiny (R Package), Ggplot2, Tidyverse (R Package), Data Visualization, Spatial Data Analysis, Statistical Visualization, Dashboard Creation, Scatter Plots, Plot (Graphics), Dashboard, R (Software), Data Import/Export, Interactive Data Visualization, R Programming, Data Visualization Software, Spatial Analysis, Geospatial Information and Technology, Data Science, Data Analysis
Beginner · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: JUnit, Unit Testing, Test Case, Test Data, Test Script Development, Test Automation, Software Testing
Intermediate · Course · 1 - 4 Weeks

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
Beginner · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Social Network Analysis, Social Sciences, Network Analysis, Data Science, Machine Learning, Machine Learning Methods, Computational Thinking, Economics, Policy, and Social Studies, Artificial Intelligence, Data Analysis, Social Impact, Simulations, Big Data, Data Collection, Scientific Methods, Digital Analysis, Digital Transformation
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Magnetic Resonance Imaging, Medical Imaging, Image Analysis, Data Manipulation, R (Software), Neurology, R Programming, Radiology, Image Quality, Data Processing, Software Visualization, Scientific Visualization, Data Preprocessing, Data Transformation, Data Import/Export, Package and Software Management
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: R (Software), Object Oriented Programming (OOP), Object Oriented Design, R Programming, Debugging, Code Reusability, Functional Design, Programming Principles, Data Structures, Performance Tuning, Performance Testing
Intermediate · Course · 1 - 3 Months

Universidad Austral
Skills you'll gain: Social Media, Social Media Strategy, Social Media Marketing, Social Media Management, Social Media Content, Content Development and Management, LinkedIn, Marketing Budgets, Facebook, Advertising, Social Media Analytics, Digital Media Strategy, Content Strategy, Content Performance Analysis, Advertising Campaigns, Professional Networking, Online Advertising, Instagram, Marketing, Digital Marketing
Beginner · Course · 1 - 4 Weeks

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
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Network Protocols, Network Performance Management, Network Monitoring, Network Troubleshooting, Threat Detection, Network Analysis, Network Security
Intermediate · Guided Project · Less Than 2 Hours