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.

Coursera
Skills you'll gain: Cryptography, Encryption, Application Development, Security Engineering, Application Security, C++ (Programming Language)
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Digital Transformation, Business Analysis, Requirements Elicitation, Gap Analysis, Analysis, Business Analytics, Business Requirements, Requirements Analysis, Systems Analysis, Business Process Modeling, Technology Strategies, Microsoft Excel, Project Management, Stakeholder Management, Stakeholder Communications, Change Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Hardware Troubleshooting, Computer Networking, Network Protocols, Web Applications, Computer Security Awareness Training, Network Routers, Wireless Networks, Technical Support and Services, Encryption, Security Awareness, Computer Literacy, System Configuration, Microsoft Office, Authentications, Microsoft Windows, Peripheral Devices, Patch Management, Technical Support, Mac OS, Database Management
Beginner · Specialization · 1 - 3 Months
Skills you'll gain: Data Storytelling, Interactive Data Visualization, Data Visualization Software, Database Design, Shiny (R Package), Data Visualization, Data Wrangling, Dashboard, Exploratory Data Analysis, Relational Databases, Data Analysis, Ggplot2, Data Presentation, SQL, Plot (Graphics), Databases, Leaflet (Software), Data Manipulation, Web Scraping, R Programming
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Requirements Elicitation, Business Analysis, Backlogs, Requirements Management, Stakeholder Engagement, Business Process, User Requirements Documents, User Story, Business Requirements, Requirements Analysis, Business Modeling, Business Process Improvement, Business Risk Management, Business Intelligence, Business Strategies, Financial Analysis, Performance Measurement, Systems Analysis, Root Cause Analysis, Business Planning
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Blockchain, Secure Coding, Penetration Testing, Front-End Web Development, Application Development, Security Testing, Web Development Tools, Application Security, Development Environment, Web Development, Software Development Tools, Cyber Security Assessment, JavaScript Frameworks, Payment Systems, Transaction Processing, Microsoft Development Tools, Authorization (Computing), User Interface (UI), Authentications, Programming Principles
Beginner · Specialization · 3 - 6 Months

University of Minnesota
Skills you'll gain: Software Design Patterns, Software Design, Software Quality Assurance, Software Engineering, Application Security, Object Oriented Design, Software Architecture, Software Quality (SQA/SQC), Development Testing, Threat Modeling, Maintainability, Code Review, Software Testing, Continuous Integration, CI/CD, Software Technical Review, Software Documentation, Version Control
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Security Information and Event Management (SIEM), Splunk, Threat Detection, System Monitoring, Cybersecurity, Event Monitoring, Continuous Monitoring, Incident Response, Data Analysis Software, Data Management, Real Time Data, Configuration Management, Software Installation, User Interface (UI)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Azure Active Directory, Single Sign-On (SSO), Identity and Access Management, Authentications, Authorization (Computing), Active Directory, Multi-Factor Authentication, Microsoft Azure, Role-Based Access Control (RBAC), User Accounts, Security Controls, Enterprise Security, Cloud Services
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Blockchain, Cryptography, Data Storage, Systems Architecture, Network Architecture, FinTech, Information Technology Architecture, Distributed Computing, Application Security, Security Controls, Cloud Platforms, Other Programming Languages, Emerging Technologies, Scalability, Data Integrity, Transaction Processing, Computer Programming Tools
Intermediate · Course · 1 - 3 Months

Amazon Web Services
Skills you'll gain: Network Routing, Network Troubleshooting, Network Performance Management, Network Monitoring, General Networking, Amazon Web Services, Network Planning And Design, Network Architecture, Capacity Management, Performance Tuning
Beginner · Course · 1 - 4 Weeks

Indian School of Business
Skills you'll gain: Financial Statements, Financial Statement Analysis, Financial Trading, Balance Sheet, Securities Trading, Financial Analysis, Market Liquidity, Financial Market, Market Data, Market Dynamics, Market Analysis, Investments, Cash Flows, Equities, Order Management, Risk Analysis
Beginner · Course · 1 - 4 Weeks