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.

Nanjing University
Skills you'll gain: Data Processing, Data Mining, Data Structures, Data Presentation, Object Oriented Programming (OOP), Web Scraping, Data Capture, Data Analysis, Python Programming, NumPy, Data Preprocessing, Data Visualization, UI Components, User Interface (UI) Design, Programming Principles
★ 4.1 (378) · Beginner · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Stakeholder Management, Program Management, Stakeholder Communications, Agile Software Development, Communication Planning, Scheduling, Team Management, Team Performance Management, Procurement, Solution Delivery, Cost Management, Project Management Institute (PMI) Methodology, Teamwork, Leadership and Management, Organizational Change, Agile Product Development, Project Portfolio Management, Strategic Leadership, Communication, Risk Management
★ 4.6 (175) · Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: ISO/IEC 27001, Auditing, Audit Planning, Security Controls, Cyber Security Policies, Security Management, Information Systems Security, Risk Management, Risk Management Framework, Security Requirements Analysis, Identity and Access Management, Record Keeping, Information Technology
★ 3.8 (6) · Intermediate · Course · 1 - 3 Months

Whizlabs
Skills you'll gain: Virtual Networking, Microsoft Azure, Network Troubleshooting, Virtual Private Networks (VPN), Network Architecture, Load Balancing, Network Administration, Virtual Machines, Security Controls, Network Security, Network Infrastructure, Network Monitoring, Scalability, Hybrid Cloud Computing, Endpoint Security, Distributed Denial-Of-Service (DDoS) Attacks
★ 4.1 (22) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cyber Threat Intelligence, Security Information and Event Management (SIEM), AI Security, Threat Modeling, Generative AI, Threat Detection, Cybersecurity, Incident Response, Generative Model Architectures, Malware Protection, Prompt Engineering, Exploitation techniques, Anomaly Detection, Large Language Modeling, Vulnerability Management, Incident Management
★ 4.7 (147) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Generative AI, Model Evaluation, Supervised Learning, Generative Model Architectures, AWS SageMaker, Recurrent Neural Networks (RNNs), Unsupervised Learning, Data Preprocessing, Large Language Modeling, Time Series Analysis and Forecasting, LLM Application, Applied Machine Learning, Model Optimization, Deep Learning, A/B Testing, Python Programming, Machine Learning, Data Analysis, AWS CloudFormation, AI Personalization
★ 4.1 (37) · Intermediate · Specialization · 3 - 6 Months
Skills you'll gain: Price Negotiation, Sales Management, Sales Operations, Selling Techniques, Sales, Account Strategy, Enterprise Sales, B2B Sales, Driving engagement, Inside Sales, Training and Development, Communication Planning, Regional Sales, Customer Engagement, Marketing Automation, LinkedIn, AI Personalization, Drive Engagement, Key Performance Indicators (KPIs), Prioritization
Beginner · Specialization · 1 - 3 Months

University of Maryland, College Park
Skills you'll gain: Application Security, Secure Coding, Security Engineering, Vulnerability Assessments, Security Software, Security Testing, Cybersecurity, Collaborative Software, Cyber Security Assessment, Penetration Testing
★ 4.3 (158) · Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Prompt Engineering, Responsible AI, Google Gemini, Gemini, Generative AI, Generative AI Agents, Generative Model Architectures, Google Cloud Platform, AI Workflows, Google Workspace, AI Orchestration, Agentic Workflows, AI Product Strategy, Prompt Patterns, AI Security, Data Ethics, Large Language Modeling, Artificial Intelligence, Cloud Computing, Collaboration
★ 4.8 (228) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Digital Assets, Blockchain, Emerging Technologies, FinTech, Business Transformation, Digital Transformation, Systems Design, Organizational Structure, Case Studies, Scalability, Business Strategy, Governance
★ 4.6 (113) · Mixed · Course · 1 - 4 Weeks

Imperial College London
Skills you'll gain: Generative AI, Tensorflow, Autoencoders, Generative Model Architectures, Bayesian Network, Deep Learning, Image Analysis, Bayesian Statistics, Model Optimization, Probability Distribution, Model Training, Sampling (Statistics), Data Transformation
★ 4.7 (109) · Advanced · Course · 1 - 3 Months

Skills you'll gain: Network Troubleshooting, Network Routing, Routing Protocols, Network Routers, OSI Models, TCP/IP, Virtual Local Area Network (VLAN), Network Switches, Network Architecture, Networking Hardware, Network Administration, Local Area Networks, Network Infrastructure, Network Protocols, System Configuration, Configuration Management
★ 4.7 (37) · Intermediate · Course · 1 - 3 Months