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: Regression Analysis, Statistical Modeling, R Programming, Statistical Methods, Linear Algebra, Data Science, Mathematical Modeling, Data Modeling, Predictive Modeling, Statistics, Statistical Analysis, Applied Mathematics, General Mathematics, Derivatives
★ 4.5 (192) · Advanced · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Reinforcement Learning, Google Cloud Platform, AI Personalization, Machine Learning, Machine Learning Algorithms, Deep Learning, Applied Machine Learning, Unsupervised Learning, Artificial Neural Networks, Embeddings
★ 4.5 (484) · Advanced · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Internet Of Things, API Design, Amazon Web Services, Embedded Software, Cloud Computing Architecture, Application Programming Interface (API), Network Protocols, Microservices, Cloud Applications, Cloud Services, Communication Systems, Middleware, Cloud Platforms, Embedded Systems, Information Systems Security, Telecommunications, Cloud Technologies, Interoperability, Cybersecurity, Cloud-Based Integration
★ 4.5 (127) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Social Media Content, Social Media Marketing, Social Media, Style Guides, Marketing Design, Marketing Materials, Content Creation, Graphic Design, Color Matching, Dashboard, Graphic and Visual Design, Design Elements And Principles, Branding, Design Software, Marketing
★ 4.6 (1.6K) · Beginner · Guided Project · Less Than 2 Hours

Peking University
Skills you'll gain: Microarchitecture, Computer Architecture, Computer Systems, Hardware Architecture, Computer Hardware, Computer Engineering, Peripheral Devices, Data Storage, Display Devices, Systems Architecture, Memory Management, Computational Logic, OS Process Management
★ 4.8 (483) · Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: Billing, Billing & Invoicing, Billing Systems, Accounts Payable and Receivable, Invoicing, Accounts Receivable, Balancing (Ledger/Billing), Payment Processing and Collection, Accounting Records, Cash Management, Cash Flows, Ledgers (Accounting), Financial Data, Accounting, Business Metrics, Key Performance Indicators (KPIs), Prioritization, Data-Driven Decision-Making, Analysis, Strategic Prioritization
★ 1.5 (8) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: MITRE ATT&CK Framework, Network Security, Cybersecurity, Exploitation techniques, Penetration Testing, Cyber Attacks, Python Programming, Data Access, Authentications, Scripting, Remote Access Systems, User Accounts
★ 4.8 (69) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Interoperability, Virtual Networking, Virtualization, Software-Defined Networking, Verification And Validation, Cloud-Native Computing, Performance Testing, Network Troubleshooting, Network Planning And Design, Automation, Network Architecture, Network Performance Management, IT Automation, Wireless Networks, Real Time Data, Systems Integration, Performance Tuning
Advanced · Course · 1 - 4 Weeks

Northwestern University
Skills you'll gain: Social Media Analytics, Real Time Data, Social Media Content, Data Collection, Social Media, Social Media Marketing, Big Data, Marketing Analytics, Crisis Management, Data-Driven Marketing, Analytics, Social Media Strategy, Content Strategy, Text Mining, Data-Driven Decision-Making
★ 4.7 (1.6K) · Mixed · Course · 1 - 4 Weeks

MongoDB Inc.
Skills you'll gain: Data Transformation, MongoDB, Data Manipulation, Data Processing, Data Integration, NoSQL, Data Migration, Data Analysis, Query Languages, Data Preprocessing, Data Pipelines, Unstructured Data, Network Analysis
★ 4.4 (66) · Intermediate · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Enterprise Architecture, Stakeholder Management, Business Architecture, Stakeholder Engagement, Risk Management, Information Technology Architecture, Stakeholder Analysis, Enterprise Modeling, Stakeholder Communications, Data Architecture, Governance, Infrastructure Architecture, Gap Analysis, Business Transformation, Change Management, Information Systems
★ 4.5 (425) · Beginner · Course · 1 - 4 Weeks

Imperial College London
Skills you'll gain: Epidemiology, Mathematical Modeling, Infection Control, Statistical Modeling, Simulations, Infectious Diseases, Public Health and Disease Prevention, R Programming, Public Health, Predictive Modeling, Model Evaluation, R (Software), Model Optimization, Differential Equations, Data Modeling, Immunology, Regression Analysis, Statistical Methods, Probability Distribution
★ 4.8 (305) · Intermediate · Specialization · 1 - 3 Months