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.

Skills you'll gain: Marketing Analytics, Data-Driven Marketing, Pivot Tables And Charts, Advanced Analytics, Descriptive Statistics, Microsoft Excel, Descriptive Analytics, Data Import/Export, Spreadsheet Software, Marketing Effectiveness, Data-Driven Decision-Making, Marketing Strategies, Data Literacy, Statistics, Statistical Methods, Market Data, Small Data, Data Wrangling, Data Transformation
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Risk Management Framework, Business Continuity Planning, Incident Response, Risk Mitigation, Cyber Threat Hunting, Cyber Risk, Business Continuity, Risk Management, Computer Security Incident Management, Risk Analysis, Threat Management, Cybersecurity, Vulnerability Management, Security Management, Enterprise Risk Management (ERM), Network Security, Cyber Security Policies, Incident Management, Operational Risk, Business Risk Management
★ 4.9 (15) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Microsoft Excel, Excel Formulas, Spreadsheet Software, Data Visualization, Interactive Data Visualization, Dashboard, Forecasting, Analytics, Advanced Analytics, Business Analytics, Data Analysis, Data Validation, Analysis, Data Entry, Data Management, Data Integrity, Data Security, Decision Making
★ 4.8 (37) · Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: Databricks, Generative AI, Prompt Engineering, Retrieval-Augmented Generation, Vector Databases, Context Engineering, Model Deployment, Fine-tuning, LLM Application, MLOps (Machine Learning Operations), Large Language Modeling, Embeddings, Data Lakes, Model Evaluation, Model Optimization, Acceptance Testing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Variance Analysis, Financial Analysis, Financial Data, Financial Statement Analysis, Financial Statements, Business Communication, Business Analysis, Communication, Accounting, Budgeting, Operating Budget, Verification And Validation, Anomaly Detection, Management Reporting, Data Validation, Strategic Thinking, Investigation, Root Cause Analysis
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Agentic Workflows, Generative AI Agents, Agentic systems, AI Orchestration, OpenAI API, OpenAI, LLM Application, AI Integrations, Performance Tuning, Real Time Data, Tool Calling, Prompt Patterns, Prompt Engineering, Token Optimization, AI Security, Application Programming Interface (API), Software Architecture, Application Security
★ 3.8 (9) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Spring Boot, Java, Java Programming, Hypertext Markup Language (HTML)
★ 4.6 (97) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Expense Management, Travel Arrangements, Auditing, Accounting, Compliance Auditing, Compliance Management, Loss Prevention, Fraud detection, Law, Regulation, and Compliance, Decision Making, Document Management, Verification And Validation
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Active Listening, Prospecting and Qualification, Sales Prospecting, Sales Development, Sales, Rapport Building, Value Propositions, Sales Pipelines, Lead Generation, General Sales Practices, User Research, Sales Process, Persona Development, Cold Calling, Intercultural Competence, Communication, Interpersonal Communications, Customer Analysis, Cultural Responsiveness, Cultural Sensitivity
Mixed · Course · 1 - 4 Weeks

O.P. Jindal Global University
Skills you'll gain: International Relations, Public Policies, Social Studies, Economics, Policy, and Social Studies, Political Sciences, Financial Policy, International Finance, Diplomacy, Economics, World History, Economic Development, European History, Policy Development, Policy Analysis, Public Affairs, Technology Strategies, Public Safety and National Security, Lobbying, Governance, Security Strategy
★ 4.4 (28) · Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Ggplot2, Plot (Graphics), Data Visualization Software, Data Visualization, Interactive Data Visualization, Scatter Plots, Statistical Visualization, Histogram, Graphic and Visual Design, R Programming, Graphical Tools, Style Guides, R (Software), Data Mapping, Graphing, Geospatial Mapping
★ 3.9 (158) · Intermediate · Course · 1 - 3 Months

Logical Operations
Skills you'll gain: Dynamic Host Configuration Protocol (DHCP), Local Area Networks, Network Protocols, Network Administration, TCP/IP, Wireless Networks, General Networking, Network Architecture, Network Infrastructure, System Configuration, Computer Networking
Mixed · Course · 1 - 4 Weeks