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.

Board Infinity
Skills you'll gain: Responsible AI, HR Tech, Human Resources Management and Planning, Employee Engagement, Human Resources, Human Resource Management, Generative AI, Data Ethics, People Analytics, Talent Recruitment, Talent Acquisition, Human Resource Strategy, Recruitment, Trend Analysis, Employee Training, Employee Retention, Workforce Development, Workforce Planning, AI Security, Training Programs
★ 4.3 (254) · Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Exploratory Data Analysis, Model Evaluation, Predictive Modeling, Data Science, Analytical Skills, Data Analysis, Data Synthesis, Model Optimization, Data Presentation, Data Collection, Predictive Analytics, Data Preprocessing, R Programming, Machine Learning, Natural Language Processing
★ 4.5 (1.2K) · Mixed · Course · 1 - 3 Months

Fortinet, Inc.
Skills you'll gain: Firewall, Network Administration, Network Troubleshooting, Network Infrastructure, Identity and Access Management, System Configuration, Configuration Management, Network Security, Security Management, Systems Integration, Scripting
★ 4.4 (28) · Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Problem Solving, Agentic systems, Computational Thinking, Computer Vision, Game Theory, Image Analysis, Artificial Neural Networks, Statistical Modeling, Probability Distribution, Decision Intelligence, Convolutional Neural Networks, Logical Reasoning, Algorithms, Human Development, Behavioral Economics, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, AI literacy, Theoretical Computer Science, Psychology
★ 4.4 (374) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Prompt Engineering, Large Language Modeling, Data Preprocessing, Convolutional Neural Networks, Plot (Graphics), Generative AI, Prompt Engineering Tools, Deep Learning, Unsupervised Learning, Model Evaluation, Natural Language Processing, Responsible AI, Time Series Analysis and Forecasting, Generative Model Architectures, Transfer Learning, Supervised Learning, Data Ethics, Image Analysis, LLM Application, Recurrent Neural Networks (RNNs)
★ 4.5 (61) · Intermediate · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: Database Design, Software Design, Application Security, User Experience Design, Vulnerability Assessments, Database Theory, Unified Modeling Language, Unit Testing, Usability, UI/UX Research, Threat Modeling, User Interface and User Experience (UI/UX) Design, Usability Testing, Vulnerability Management, Data Flow Diagrams (DFDs), Relational Databases, Software Visualization, Security Software, Systems Development Life Cycle, Software Development Life Cycle
★ 4.6 (438) · Beginner · Specialization · 3 - 6 Months

Microsoft
Skills you'll gain: Microsoft Azure, Serverless Computing, Cloud Development, Microsoft Power Automate/Flow, Event-Driven Programming, Cloud-Based Integration, Business Process Automation, Application Programming Interface (API), Webhook Security, GitHub
★ 4.4 (136) · Intermediate · Course · 1 - 3 Months

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Electronic Systems, Semiconductors, Basic Electrical Systems, Electrical Engineering, Electronics, Electronic Hardware, Electronic Components, Electronics Engineering, Electrical Power, Power Electronics, Electrical Systems, Engineering Analysis, Network Analysis, Engineering Calculations, Control Systems, Mathematical Modeling, Applied Mathematics
★ 4.1 (19) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Role-Based Access Control (RBAC), Azure Active Directory, Microsoft Azure, Virtual Networking, Active Directory, Load Balancing, Cloud Management, Virtual Machines, Kubernetes, Network Monitoring, Authorization (Computing), Identity and Access Management, User Provisioning, Network Troubleshooting, Virtualization and Virtual Machines, Containerization, Network Planning And Design, Cloud Storage, Cloud Computing, Infrastructure As A Service (IaaS)
★ 4.1 (34) · Intermediate · Specialization · 3 - 6 Months

L&T EduTech
Skills you'll gain: Electrical Systems, Electrical Power, Electrical Substation, Electric Power Systems, Three-Phase, High Voltage, Electrical Equipment, Electrical Safety, Control Systems, Energy and Utilities, Construction, Automation Engineering, Communication Systems, Acceptance Testing, Network Protocols
★ 4.5 (151) · Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Data Governance, Role-Based Access Control (RBAC), Risking, Responsible AI, Governance, Data Management, Generative AI, Security Controls, AI Security, Data Quality, Data Access, Identity and Access Management, Benchmarking, Gap Analysis, Accountability, Analysis, Quality Assurance and Control
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Open Web Application Security Project (OWASP), Exploitation techniques, Vulnerability Assessments, Application Security, Vulnerability Management, Security Controls, Authorization (Computing), Cryptography, System Configuration, Encryption, Software Design
★ 4.4 (75) · Intermediate · Course · 1 - 3 Months