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.

Pohang University of Science and Technology(POSTECH)
Skills you'll gain: Internet Of Things, Cloud Applications, Cloud Development, Cloud Platforms, IBM Cloud, Application Development, Cloud Services, Cloud Technologies, Cloud Computing, Google Cloud Platform, Computing Platforms, Cloud-Based Integration, Microsoft Azure, AI Integrations, Amazon Web Services, Emerging Technologies, Network Protocols
★ 4.3 (323) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Network Troubleshooting, Network Performance Management, Technical Communication, Technical Support and Services, Technical Support, Network Administration, Debugging, End User Training and Support, Help Desk Support, Problem Management, Network Analysis
★ 5 (11) · Beginner · Course · 1 - 4 Weeks

John Wiley & Sons
Skills you'll gain: Threat Modeling, Secure Coding, Application Security, Open Web Application Security Project (OWASP), Cybersecurity, DevSecOps, Cryptographic Protocols, Security Controls, Computer Security, Cryptography, Data Access, Database Application, Encryption, Data Security, Information Assurance, Data Validation, Authorization (Computing), Data Integrity, Computer Programming, Identity and Access Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Software Documentation, Generative AI, Test Automation, Design Software, Mockups, User Interface (UI), Software Development Tools, User Interface and User Experience (UI/UX) Design, Software Testing, AI Security, AI Workflows, Application Security, Maintainability, Prompt Engineering, Test Case, Software Architecture, Code Review, Secure Coding, Artificial Intelligence, Debugging
★ 4 (22) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Azure Synapse Analytics, Data Security, Databricks, Data Store, Data Quality, Microsoft Azure, Data Storage, Security Controls, Data Transformation, Data Processing, Data Cleansing, Performance Tuning, Data Integration, Data Pipelines, Apache Spark, Encryption, Data Analysis
★ 4.3 (18) · Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Infrastructure as Code (IaC), Terraform, IT Infrastructure, Google Cloud Platform, Cloud Management, Cloud Development, Network Security
★ 4.8 (8) · Beginner · Project · Less Than 2 Hours

Skills you'll gain: Security Controls, Security Management, Data Security, System Configuration, Security Awareness, Project Management Software, Identity and Access Management, Multi-Factor Authentication, Authentications
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Fine-tuning, Tensorflow, Keras (Neural Network Library), Model Training, Model Evaluation, Transfer Learning, Natural Language Processing, Data Preprocessing, Deep Learning, Data Pipelines
★ 4.6 (212) · Intermediate · Guided Project · Less Than 2 Hours

Yonsei University
Skills you'll gain: Augmented Reality, Augmented and Virtual Reality (AR/VR), Live Streaming, Multimedia, Emerging Technologies, Market Analysis, Market Share, Photo/Video Production and Technology, Network Routing, Market Opportunities, Cloud Services, Network Protocols, Application Development, Image Analysis, Computer Vision, Business Modeling, Cloud-Based Integration, Video Production, Content Management
★ 4.7 (122) · Beginner · Course · 1 - 3 Months

Skills you'll gain: SQL, Database Development, Databases, Debugging, Maintainability, Procedure Development
Advanced · Course · 1 - 4 Weeks

John Wiley & Sons
Skills you'll gain: Lifelong Learning, Professionalism, Drive Engagement, Willingness To Learn, Client Services, Personal Development, Workplace inclusivity, Motivational Skills, Self-Motivation, Curiosity, Professional Development, Employee Engagement, Adaptability, Leadership, Emotional Intelligence, Mentorship, Performance Improvement, Critical Thinking and Problem Solving, Communication Strategies, Critical Thinking
Intermediate · Course · 1 - 3 Months

John Wiley & Sons
Skills you'll gain: Health Informatics, Risk Management, Value-Based Care, Clinical Practices, Health Care Administration, Health Systems, Care Management, Analytics, Health Information Management, Health Care, Business Analytics, Risk Analysis, Healthcare Industry Knowledge, Analytical Skills, Health Technology, Enterprise Modeling, Healthcare Ethics, Health Education, Data Science, Business Strategy
Intermediate · Course · 3 - 6 Months