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.

John Wiley & Sons
Skills you'll gain: Digital Advertising, Online Advertising, Retail Store Operations, Customer Analysis, Inventory and Warehousing, Customer Retention, Inventory Control, Order Management, Google Ads, Pay Per Click Advertising, Customer experience improvement, Customer Insights, Order Fulfillment, Inventory Management, Social Media Marketing, Market Opportunities, Marketing Strategies, E-Commerce, Digital Marketing, Web Design
Beginner · Specialization · 3 - 6 Months

John Wiley & Sons
Skills you'll gain: Cost Accounting, Cost Control, Financial Data, Variance Analysis, Cost Estimation, Cost Management, Management Accounting, Cost Benefit Analysis, Project Accounting, Budgeting, Financial Forecasting, Profit and Loss (P&L) Management, General Accounting, Accounting, Project Estimation, Estimation, Job Analysis, Resource Allocation, Business
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Visualization, Exploratory Data Analysis, Interactive Data Visualization, Statistical Visualization, Scientific Visualization, Data Presentation, IBM Cognos Analytics, Data Storytelling, Data Analysis, Dashboard Creation, Data Visualization Software, Dashboard, Jupyter, Statistical Reporting, Scatter Plots, Analytics, Box Plots, Looker (Software), Data Wrangling, Data Collection
★ 4.7 (1.3K) · Advanced · Course · 1 - 3 Months

Vanderbilt University
Skills you'll gain: Claude Code, Prompt Engineering, Model Context Protocol, ChatGPT, Anthropic Claude, Prompt Patterns, Token Optimization, AI Workflows, Prompt Engineering Tools, Generative AI Agents, Multimodal Prompts, Agentic Workflows, AI Orchestration, AI Enablement, Generative AI, Artificial Intelligence and Machine Learning (AI/ML), AI Security, Agentic systems, AI Product Strategy, AI Personalization
★ 4.8 (8.3K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Technical Support, Technical Support and Services, Hardware Troubleshooting, Cloud Computing, Cloud Management, Cloud Services, Cyber Attacks, Cybersecurity, Help Desk Support, System Support, Computer Security Awareness Training, End User Training and Support, Network Support, Cloud Storage, Network Troubleshooting, Computer Hardware, Customer Service, General Networking, Data Storage, Identity and Access Management
★ 4.8 (186) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Software Development, Software Engineering, Relationship Building, Professional Development, Application Development, Follow Through, Communication Strategies, Professionalism, Verbal Communication Skills, Problem Solving, Communication, Back-End Web Development
★ 4.8 (396) · Beginner · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Prompt Engineering, AI Security, ChatGPT, Retrieval-Augmented Generation, Claude Code, Prompt Patterns, Generative AI Agents, Engineering Software, Generative AI, Prompt Engineering Tools, AI powered creativity, Multimodal Prompts, AI Product Strategy, Anthropic Claude, AI Enablement, AI Personalization, AI Orchestration, AI Workflows, Agentic Workflows, AI Integrations
★ 4.8 (9.5K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Network Security, Computer Hardware, Generative AI, Data Storage Technologies, Data Storage, Operating Systems, Microsoft 365, Hybrid Cloud Computing, Authorization (Computing), Generative Model Architectures, Data Security, Computer Science, OSI Models, Data Store, TCP/IP, Data Integrity, Cloud Computing, Data Processing, Network Protocols, Software Development
★ 4.8 (1.4K) · Beginner · Specialization · 3 - 6 Months

John Wiley & Sons
Skills you'll gain: Risk Modeling, Estimation, Risk Management, Analysis, Decision Making, Risk Analysis, Statistics, Data-Driven Decision-Making, Forecasting, Strategic Decision-Making, Probability, Quantitative Research, Statistical Modeling, Data Collection, Data Analysis, Probability Distribution, Predictive Modeling, Strategic Prioritization, Simulation and Simulation Software, Statistical Methods
Advanced · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Data Ethics, Responsible AI, Model Training, Model Evaluation, Predictive Modeling, AI Security, OpenAI, Data Collection, Machine Learning, Predictive Analytics, Information Privacy, Artificial Intelligence, Game Theory, Large Language Modeling, Algorithms, AI literacy, Personally Identifiable Information, Machine Learning Algorithms, Analytical Skills, Analysis
★ 4.6 (999) · Beginner · Specialization · 3 - 6 Months

John Wiley & Sons
Skills you'll gain: Order Entry, Financial Trading, Derivatives, Portfolio Risk, Order Management, Risk Management, Risk Analysis, Portfolio Management, Decision Making, Strategic Decision-Making, Financial Market, Asset Protection, Risk Control, Business Planning, Market Dynamics, Risk Mitigation, Cost Benefit Analysis, Investments, Finance, Financial Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Malware Protection, Exploitation techniques, Threat Detection, Virtual Machines, Microarchitecture, Debugging, System Programming, Windows PowerShell, Virtual Environment, Programming Principles, Excel Macros, Linux
★ 4.5 (89) · Intermediate · Course · 1 - 3 Months