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.

Politecnico di Milano
Skills you'll gain: Artificial Intelligence, AI literacy, Artificial Neural Networks, Computer Vision, Machine Learning, Natural Language Processing, Deep Learning, Robotics, Computer Hardware
★ 4.5 (203) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Oracle Cloud, Oracle Cloud Applications, Cloud Solutions, Supply Chain Management, Cloud Computing, Cloud Infrastructure, Enterprise Resource Planning, Cloud Services, Cloud Computing Architecture, Cloud Platforms, Cloud Applications, Enterprise Application Management, Customer experience strategy (CX), Human Resources Software, Software As A Service, Security Controls, Virtual Machines, Cloud Security, Virtual Networking
★ 4.9 (20) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Generative AI Agents, LangChain, AI Workflows, LLM Application, Agentic systems, Agentic Workflows, Development Environment, Model Evaluation, Artificial Intelligence, AI literacy, Scalability, Performance Tuning, Model Optimization, Design
★ 4.5 (115) · Intermediate · Course · 1 - 4 Weeks

The State University of New York
Skills you'll gain: Lifelong Learning, Growth Mindedness, digital literacy, Web Presence, Personal Development, Critical Thinking, Emerging Technologies, Professional Development, Professionalism, Data Ethics, Habit Formation, Creativity, Security Awareness, Web Content Accessibility Guidelines, Collaboration, Communication
★ 4.3 (444) · Beginner · Course · 1 - 3 Months

National Taiwan University
Skills you'll gain: Reinforcement Learning, Artificial Intelligence and Machine Learning (AI/ML), Deep Learning, Theoretical Computer Science, Classification Algorithms, Machine Learning Methods, Artificial Neural Networks, Artificial Intelligence, Machine Learning Algorithms, Applied Machine Learning, Machine Learning, Model Evaluation, Autoencoders, Convolutional Neural Networks, Supervised Learning, Statistical Machine Learning, Computer Science, Decision Tree Learning, Generative Adversarial Networks (GANs), Algorithms
★ 4.6 (62) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Storytelling, Data Presentation, Data-Driven Decision-Making, Strategic Decision-Making, Product Management, Customer Insights, Data Analysis, Forecasting, A/B Testing, Business Analytics, Analytics, Prioritization, Statistical Analysis, Business Metrics, User Research, Customer Retention, Machine Learning Methods, Root Cause Analysis, Statistical Methods, Stakeholder Communications
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Case Studies, Experience Design, Business Solutions, User Experience Design, User Experience, Natural Language Processing, Application Programming Interface (API), Interaction Design, Application Deployment, AI Integrations, Application Development, Artificial Intelligence, Systems Integration, Scalability, Software Testing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Bookkeeping, QuickBooks (Accounting Software), Accruals, Ledgers (Accounting), Month End Closing, Accrual Accounting, Accounting Software, General Ledger, Accounting Records, Accounting, Accounting and Finance Software, General Accounting
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Azure Active Directory, Role-Based Access Control (RBAC), Microsoft Azure, Single Sign-On (SSO), Active Directory, Cloud Management, Identity and Access Management, Authorization (Computing), Authentications, Multi-Tenant Cloud Environments, Multi-Factor Authentication, Data Governance, Cloud Services, User Accounts, Security Controls, Self Service Technologies
★ 4.2 (80) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Analysis Expressions (DAX), Power BI, Data Modeling, Interactive Data Visualization, Azure Synapse Analytics, Database Design, Enterprise Architecture, Business Reporting, Microsoft Azure, Business Intelligence, Enterprise Security, Data Lakes, Data Governance, Solution Architecture, Data Management, Performance Analysis, Analytics, Governance, Regulation and Legal Compliance, Automation
★ 3.6 (8) · Intermediate · Professional Certificate · 3 - 6 Months

Skills you'll gain: Medical Billing and Coding, Medical Billing, ICD Coding (ICD-9/ICD-10), Medical Coding, CPT Coding, Revenue Cycle Management, Health Information Management and Medical Records, Billing, System Monitoring, Site Reliability Engineering, Ansible, Root Cause Analysis, Business Continuity Planning, Vulnerability Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Linux Commands, Linux, Command-Line Interface, Penetration Testing, General Networking, Network Administration, Exploitation techniques, Cybersecurity, Data Ethics, Vulnerability Scanning, Network Security, System Configuration, Software Installation, Virtual Machines
★ 4.3 (36) · Beginner · Course · 1 - 3 Months