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.

University of Colorado Boulder
Skills you'll gain: NoSQL, Data Warehousing, Database Management Systems, Database Architecture and Administration, Database Administration, Databases, Relational Databases, Big Data, Data Architecture, Data Processing, Data Integrity, Data Security, Scalability
Build toward a degree
Beginner · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Fire And Life Safety, Building Codes, Pump Stations, Blueprint Reading, Electrical Systems, Process Flow Diagrams, Construction, Safety Training, Hydraulics, Construction Inspection, Safety Assurance, Chemical Engineering, Building Services Engineering, Building Design, Facility Management and Maintenance, Hazard Analysis, Engineering Drawings, Safety Standards, System Requirements, Safety and Security
Intermediate · Specialization · 3 - 6 Months

University of Michigan
Skills you'll gain: Sampling (Statistics), Sample Size Determination, Data Collection, Surveys, Quantitative Research, Statistical Methods, Statistical Analysis, Statistical Software, Probability & Statistics, Probability, Network Analysis
Beginner · Course · 1 - 3 Months

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

Board Infinity
Skills you'll gain: ASP.NET, .NET Framework, Model View Controller, Web Applications, Middleware, Debugging, Application Deployment, Application Development, Development Environment, Software Testing, Microsoft Development Tools, Cross Platform Development, Software Architecture, Network Routing, Open Source Technology, Command-Line Interface
Beginner · Course · 1 - 4 Weeks

Starweaver
Skills you'll gain: Virtual Networking, Network Protocols, Network Planning And Design, Network Security, Network Performance Management, Network Architecture, Network Monitoring, Computer Networking, TCP/IP, Routing Protocols, Emerging Technologies, Internet Of Things, Artificial Intelligence and Machine Learning (AI/ML)
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Responsible AI, AI Product Strategy, Generative AI, Strategic Thinking, Risking, Data Ethics, Large Language Modeling, Business Strategy, Regulation and Legal Compliance, Business Planning, AI Enablement, Organizational Change, Customer experience strategy (CX), Business Ethics, AI Security, Generative AI Agents, Business Leadership, Business Transformation, Stakeholder Communications, Customer Insights
Beginner · Specialization · 1 - 3 Months

Corporate Finance Institute
Skills you'll gain: Credit Risk, Loans, Capital Expenditure, General Lending, Consumer Lending, Mortgage Loans, Commercial Lending, Financial Analysis, Loan Origination, Financial Statement Analysis
Beginner · Course · 1 - 3 Months

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

Infosec
Skills you'll gain: Open Web Application Security Project (OWASP), Secure Coding, Distributed Denial-Of-Service (DDoS) Attacks, Application Security, Security Testing, Authorization (Computing), Authentications, Data Validation, Encryption, Security Controls, Data Security, Vulnerability Scanning, Role-Based Access Control (RBAC), Verification And Validation, Intrusion Detection and Prevention, Database Application, Security Awareness, Cybersecurity, Web Servers, Web Development Tools
Beginner · Specialization · 1 - 3 Months

University of Michigan
Skills you'll gain: Statistical Analysis, Program Evaluation, Policy Analysis, Data Analysis, Statistical Methods, Public Policies, Statistical Hypothesis Testing, Policy Development, Analytical Skills, Forecasting, R Programming, Data-Driven Decision-Making, Research Design, Time Series Analysis and Forecasting
Intermediate · Course · 1 - 3 Months

Packt
Skills you'll gain: Open Web Application Security Project (OWASP), Exploit development, Exploitation techniques, Internet Of Things, Cyber Security Assessment, Vulnerability Scanning, Vulnerability Assessments, Test Tools, USB, Embedded Systems, Network Security, Test Equipment, General Networking, Serial Peripheral Interface
Beginner · Course · 1 - 3 Months