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.

Coursera
Skills you'll gain: DeepSeek API, Deepseek, LangChain, Generative AI, LLM Application, AI Workflows, AI Integrations, Software Development Tools, Automation, Application Deployment, Cross Platform Development, Systems Integration
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cloud Infrastructure, Application Deployment, Service Level, Microservices, Kubernetes, Google Cloud Platform, Cloud Computing Architecture, CI/CD, Cloud Deployment, Cloud Security, Site Reliability Engineering, Cloud Computing, Infrastructure Architecture, Restful API, Continuous Integration, Network Architecture, Network Planning And Design, Cloud Management, Cloud Storage, API Design
★ 4.7 (127) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cost Estimation, Project Estimation, Project Scoping, Work Breakdown Structure, Cost Management, Project Planning, Project Schedules, Sprint Planning, Project Controls, Scope Management, Estimation, Earned Value Management, Scheduling, Project Management, Timelines, Change Control, Variance Analysis, Dependency Analysis, Network Analysis
★ 3.8 (6) · Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Requirements Management, Design Reviews, Systems Engineering, Engineering Management, Requirements Analysis, Systems Design, Organizational Leadership, Functional Design, Software Engineering, Systems Integration, Technical Design, Leadership, Engineering Design Process, Performance Measurement, Design Specifications, Performance Metric, Manufacturing and Production, Coordination
★ 4.8 (42) · Beginner · Course · 1 - 3 Months

Fundação Instituto de Administração
Skills you'll gain: Big Data, Data Mining, Data-Driven Decision-Making, Data Strategy, FinTech, Data Engineering, Deep Learning, Machine Learning Methods, Predictive Analytics, Analytics, Applied Machine Learning, Data Science, Data Processing, Predictive Modeling, Machine Learning, Digital Transformation, Financial Market, Financial Forecasting, Data Literacy, Business Transformation
★ 4.3 (94) · Beginner · Specialization · 1 - 3 Months

Xi'an Jiaotong University
Skills you'll gain: Operating Systems, Microsoft Office, Computer Networking, System Software, Computer Systems, Network Architecture, OS Process Management, Theoretical Computer Science, Computer Science, General Networking, Computer Architecture, Hardware Architecture, Network Protocols, Computer Literacy, Computational Logic, Computing Platforms, Programming Principles, Memory Management, Computer Hardware
★ 3.9 (35) · Mixed · Course · 1 - 3 Months

Infosec
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Secure Coding, Application Security, Encryption, Security Controls, Data Security, Endpoint Security, Database Application, Web Applications, Cryptography, Object-Relational Mapping, Authentications, Data Access, Query Languages, Computer Programming
★ 4.4 (9) · Beginner · Course · 1 - 4 Weeks

Icahn School of Medicine at Mount Sinai
Skills you'll gain: Bioinformatics, Applied Machine Learning, Interactive Data Visualization, Supervised Learning, Machine Learning Methods, Data Visualization, Statistical Machine Learning, Machine Learning, Informatics, Big Data, Data Mining, Analytics, Data Science, Data Transformation, Biostatistics, Data Integration, Precision Medicine, Medical Science and Research, Unsupervised Learning, Molecular Biology
★ 4.8 (27) · Intermediate · Course · 3 - 6 Months

École Polytechnique
Skills you'll gain: Digital Transformation, Business Transformation, Marketing Management, General Sales Practices, Business Management, Innovation, Data Strategy, Customer Acquisition Management, Data Management, Marketing Strategies, Growth Strategies, Data-Driven Decision-Making, Scalability, Presentations
★ 4.6 (30) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Salesforce, Salesforce Development, Application Deployment, Workflow Management, Dashboard, Data Import/Export, Ad Hoc Reporting, Change Control, Email Automation, Data Maintenance, Authentications, Customer Relationship Management (CRM) Software, Configuration Management, Data Access, Responsive Web Design, System Configuration, Role-Based Access Control (RBAC), Data Management, Customer Relationship Management, Business Logic
★ 4.2 (9) · Beginner · Specialization · 1 - 3 Months

Board Infinity
Skills you'll gain: ABAP RESTful Programming Model (RAP), SAP S/4HANA, Restful API, Core Data (Software), Security Controls, HTML and CSS, UI Components, User Interface (UI) Design
★ 4.4 (8) · Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Network Analysis, R Programming, Statistical Analysis, Regression Analysis, Statistical Modeling, Statistical Methods, Combinatorics, Bayesian Network, Applied Machine Learning, Statistical Hypothesis Testing, Statistical Programming, Data Analysis, R (Software), Probability, Statistics, Probability Distribution, Probability & Statistics, Bayesian Statistics, Social Network Analysis, Simulations
Intermediate · Specialization · 3 - 6 Months