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: Reconciliation, Accounts Payable, Accounts Receivable, Billing, Billing & Invoicing, Invoicing, QuickBooks (Accounting Software), Cash Flow Forecasting, Spreadsheet Software, Vendor Relationship Management, Fraud detection, Financial Controls, Auditing, Vendor Management, Internal Controls, Payment Processing, Cash Management, Document Management, Financial Reporting, Cash Flows
Intermediate · Specialization · 3 - 6 Months

Duke University
Skills you'll gain: Regression Analysis, R (Software), Data Analysis Software, Statistical Analysis, R Programming, Statistical Modeling, Statistical Inference, Correlation Analysis, Model Evaluation, Exploratory Data Analysis, Mathematical Modeling, Statistics, Predictive Modeling, Probability & Statistics
Beginner · Course · 1 - 4 Weeks
Illinois Tech
Skills you'll gain: Linux, Cloud-Native Computing, Network Security, Linux Administration, Cloud Computing, Amazon Web Services, Infrastructure as Code (IaC), Cloud Computing Architecture, Network Troubleshooting, Operating System Administration, Cloud Platforms, Cloud Storage, Linux Commands, Software-Defined Networking, User Accounts, Cloud Infrastructure, Network Monitoring, Threat Modeling, Cloud Services, Data Infrastructure
Build toward a degree
Beginner · Specialization · 3 - 6 Months

University of Michigan
Skills you'll gain: Cyber Security Policies, Security Engineering, Information Systems Security, Cybersecurity, Security Awareness, Threat Modeling, Policy Analysis, Political Sciences, Vulnerability Assessments, Public Policies, Human Factors, Human Computer Interaction, Usability, Software Testing
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Responsible AI, No-Code Development, AI Enablement, Regulatory Requirements, Compliance Management, Business Transformation, Business Process Automation, Business Process, Data Management, Risk Mitigation, Risk Analysis, Return On Investment, Process Design, Key Performance Indicators (KPIs), Regulation and Legal Compliance, Business Software, Digital Transformation, Change Management, Data-Driven Decision-Making, Predictive Analytics
Beginner · Specialization · 1 - 3 Months
Rice University
Skills you'll gain: Financial Market, Investments, Securities (Finance), Financial Systems, Investment Management, Securities Trading, Capital Markets, Equities, Finance, Financial Services, Market Liquidity, Asset Management, Portfolio Management, Derivatives, Fixed Asset, Cash Flows
Mixed · Course · 1 - 4 Weeks

Università di Napoli Federico II
Skills you'll gain: English Language, Social Skills, Language Learning, Interpersonal Communications, Vocabulary, Verbal Communication Skills, Communication, Oral Comprehension, Grammar
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Network Troubleshooting, OSI Models, Network Model, TCP/IP, Networking Hardware, Local Area Networks, Network Protocols, General Networking, Network Architecture, Network Infrastructure, Network Switches, Test Equipment, Test Tools
Beginner · Course · 1 - 3 Months

University at Buffalo
Skills you'll gain: Personal protective equipment, Environmental Regulations, Safety Training, Occupational Safety and Health Administration (OSHA), Hazard Analysis, Energy and Utilities, Safety Standards, Hazard Communication (HazCom), Safety and Security, Fire And Life Safety, Regulatory Compliance, First Aid, Emergency Response
Beginner · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Graph Theory, Data Structures, Java Programming, Java, Object Oriented Design, Software Design, Algorithms, Theoretical Computer Science, Maintainability, Object Oriented Programming (OOP), Network Routing, Computational Thinking, Application Development
Intermediate · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Teamwork, Active Listening, Stress Management, Verbal Communication Skills, Communication, Problem Solving, Emotional Intelligence, Collaboration, Growth Mindedness, Productivity, Personal Integrity, Workplace Bullying Intervention, Compliance Management, Information Privacy, Security Controls, Team Performance Management, Accountability, Professionalism, Diversity Awareness, Diversity and Inclusion
Beginner · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: Local Area Networks, Network Protocols, Computer Networking, TCP/IP, Network Performance Management, OSI Models, Wireless Networks, Telecommunications, Network Analysis, Data Integrity
Mixed · Course · 1 - 3 Months