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: Statistical Analysis, R Programming, Statistical Programming, Data Analysis, Debugging, Simulations, Computer Programming Tools, Programming Principles, Data Manipulation, Data Structures, Performance Tuning, Data Import/Export
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Scripting, Programming Principles, Computer Programming, Python Programming, Command-Line Interface, Development Environment, Integrated Development Environments, Debugging
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Customer Retention, HubSpot CRM, Brand Awareness, Surveys, Survey Creation, Marketing Analytics, Google Analytics, Customer Analysis, Customer Service, Customer Relationship Management (CRM) Software, Customer Insights, Customer experience improvement, Customer Relationship Management, Customer Data Management, A/B Testing, AI Product Strategy, Target Audience, Data Analysis, Digital Marketing, Performance Measurement
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Data Storage, OSI Models, General Networking, Wireless Networks, Data Storage Technologies, Local Area Networks, Networking Hardware, Computer Networking, Network Architecture, Network Infrastructure, TCP/IP, Network Protocols, Microsoft Windows, Network Troubleshooting, Network Security, Network Performance Management, System Configuration, Wide Area Networks, Hardware Architecture, Command-Line Interface
Beginner · Course · 1 - 3 Months

Skills you'll gain: AI Security, Responsible AI, Generative AI, Prompt Engineering, Data Ethics, Cyber Threat Intelligence, Cyber Security Strategy, Cybersecurity, LLM Application, Large Language Modeling, Compliance Training, Governance, Cyber Threat Hunting, Cyber Security Policies, Cyber Attacks, Cyber Risk, Artificial Intelligence and Machine Learning (AI/ML), Security Awareness, Machine Learning, Automation
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Apache Maven, Spring Framework, Microservices, Java Platform Enterprise Edition (J2EE), Spring Boot, Java, Java Programming, Back-End Web Development, Software Architecture, Load Balancing, Application Servers, Restful API, Web Applications, Scalability
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: IT Automation, IT Infrastructure, Amazon Web Services, Cloud Deployment, System Configuration, Security Controls
Intermediate · Course · 1 - 4 Weeks

University of Amsterdam
Skills you'll gain: Qualitative Research, Scientific Methods, Statistical Analysis, Statistical Hypothesis Testing, Research, Research Design, Sampling (Statistics), Research Reports, Science and Research, Interviewing Skills, Data Analysis, Data Collection, Research Methodologies, Social Sciences, Surveys, Quantitative Research, Statistics, Regression Analysis, Statistical Inference, R Programming
Beginner · Specialization · 3 - 6 Months
University of London
Skills you'll gain: Computer Science, Debugging, Development Environment, Computer Systems, Web Applications, Arithmetic, Computer Literacy, Javascript, Network Security, Computer Networking, Computer Programming Tools, Applied Mathematics, Computer Graphics, Web Design and Development, Software Development Tools, Cybersecurity, Computational Thinking, Computer Programming, General Mathematics, Problem Solving
Build toward a degree
Beginner · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Rmarkdown, Version Control, Data Science, R (Software), GitHub, Data Literacy, Data Analysis, R Programming, Statistical Programming, Exploratory Data Analysis, Software Installation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Social Media Management, Social Media Marketing, Instagram, Social Media Strategy, Content Creation, Content Performance Analysis, Facebook, Generative AI Agents, Brand Management, Content Marketing, Content Management, Customer Engagement, Storytelling
Beginner · Course · 1 - 3 Months

Skills you'll gain: Model Evaluation, Feature Engineering, Bioinformatics, Dimensionality Reduction, Predictive Modeling, Deep Learning, Artificial Neural Networks, Pandas (Python Package), Drug Development, Unsupervised Learning, Scikit Learn (Machine Learning Library), Data Manipulation, Molecular Biology, Regression Analysis, Machine Learning Algorithms, Machine Learning
Intermediate · Course · 1 - 4 Weeks