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.

Google Cloud
Skills you'll gain: Cloud Infrastructure, Google Cloud Platform, Virtual Machines, Cloud Computing Architecture, Infrastructure Architecture, Cloud Computing, Network Infrastructure, Virtual Networking, Network Architecture, Network Security, Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

Università di Napoli Federico II
Skills you'll gain: Market Liquidity, Financial Market, Portfolio Management, Securities Trading, Investments, Securities (Finance), Equities, Portfolio Risk, Financial Trading, Capital Markets, Finance, Market Dynamics, Risk Analysis, Economics, Fixed Asset, Market Data, Derivatives, Technical Analysis, Statistical Methods, Financial Modeling
Intermediate · Specialization · 3 - 6 Months
Skills you'll gain: File Systems, Operating Systems, OS Process Management, C (Programming Language), System Programming, Unix, Virtualization, Data Integrity, File I/O, Debugging, Linux, Performance Tuning, Distributed Computing, Data Storage, Command-Line Interface, Virtual Machines, Data Security, Computer Hardware, Scalability, Data Structures
Beginner · Specialization · 3 - 6 Months

Packt
Skills you'll gain: OSI Models, Computer Networking, Virtualization, Data Centers, Virtual Networking, General Networking, Network Architecture, Network Protocols, TCP/IP, Network Infrastructure, Local Area Networks
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Responsible AI, No-Code Development, AI Enablement, Business Process Automation, Business Process, Data Management, Risk Mitigation, Return On Investment, Process Design, Key Performance Indicators (KPIs), Business Software, Business Transformation, Automation, Project Implementation, Performance Measurement, Data Cleansing, Project Management, Business Metrics, Data Storytelling, Dashboard
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Variance Analysis, Accounting, Financial Statements, Business Metrics, Financial Statement Analysis, Financial Analysis, Performance Measurement, Cash Flows, Balance Sheet, Spreadsheet Software, Business, Performance Metric, Performance Analysis, Key Performance Indicators (KPIs), Analysis, Income Statement, Excel Formulas, Benchmarking
Beginner · Course · 1 - 4 Weeks

Kennesaw State University
Skills you'll gain: LinkedIn, Interviewing Skills, Social Media, Social Media Strategy, Professional Networking, Strategic Communication, Communication, Negotiation, Professionalism, Business Writing, Decision Making
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Exploratory Data Analysis, Teradata SQL, JSON, Data Integration, Advanced Analytics, Data Cleansing, Text Mining, Data Quality, Data Analysis, Statistical Analysis, Application Programming Interface (API), Database Management, Natural Language Processing
Intermediate · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Simulations, Social Sciences, Systems Thinking, Agentic systems, Social Network Analysis, Model Evaluation, Sociology, Economics, Scientific Methods, Computer Programming
Beginner · Course · 1 - 4 Weeks

University at Buffalo
Skills you'll gain: Data Literacy, Data Ethics, Data-Driven Decision-Making, Analytics, Root Cause Analysis, Lean Methodologies, Six Sigma Methodology, Data Analysis, Operational Efficiency, Operational Excellence, Case Studies, Process Improvement, Quality Management Systems, Data Quality, Data Security, Product Quality (QA/QC), Internet Of Things
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Negotiation, Conflict Management, Leadership, Mediation, Strategic Leadership, Relationship Management, Stakeholder Analysis, Case Studies, Stakeholder Management, Cultural Sensitivity, Complex Problem Solving, Strategic Decision-Making, Influencing, Collaboration
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Cloud Computing, Process Optimization, Process Improvement, Manufacturing Operations, Manufacturing and Production, Internet Of Things, Innovation, Workforce Development, Robotics, Cybersecurity, Manufacturing Processes, Augmented and Virtual Reality (AR/VR), Blockchain, Digital Transformation, Production Process, Technology Strategies, 3D Modeling, Industrial Engineering, Automation, Change Management
Beginner · Specialization · 3 - 6 Months