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: Responsible AI, Threat Modeling, MLOps (Machine Learning Operations), Security Testing, Secure Coding, Cost Management, Data Ethics, Data Governance, Experimentation, Prompt Engineering, Application Security, CI/CD, Automation, Financial Forecasting, Compliance Management, Governance, Technical Documentation, Vulnerability Assessments, Risk Management, Stakeholder Communications
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Responsible AI, Data Ethics, Generative AI, Business Ethics, Legal Risk, Socioeconomics, AI Security, Social Impact, Information Privacy, Accountability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Service Management, Information Technology Infrastructure Library, Customer experience improvement, IT Service Management, Service Improvement, Change Control, IT Management, Technical Management, Security Management, Technical Services, Enterprise Architecture, Continuous Improvement Process, Service Design, Managed Services, Agile Methodology, Governance, Risk Management Framework, Quality Improvement, Organizational Structure, Strategic Partnership
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Real-Time Operating Systems, Systems Architecture, Embedded Software, Software Design, System Design and Implementation, Embedded Systems, System Programming, Software Systems, Electronic Systems, Systems Design, Hardware Architecture, Software Architecture, Requirements Analysis, Real Time Data, Linux, Service Level, OS Process Management, System Requirements, Debugging, Algorithms
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: Cryptography, Data Encryption Standard, Encryption, Advanced Encryption Standard (AES), Application Security, Public Key Cryptography Standards (PKCS), Secure Coding, Data Security, Web Development, Email Security, PHP (Scripting Language), Brute-force attacks, Algorithms, User Provisioning
Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Microsoft Azure, Cloud Management, Cloud Computing, Cloud Infrastructure, Infrastructure As A Service (IaaS), Cloud Platforms, Infrastructure as Code (IaC), Virtual Machines, System Monitoring, Cloud Security, Scalability
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Electric Power Systems, Electrical Power, Energy and Utilities, Basic Electrical Systems, Systems Of Measurement, Sustainable Technologies, Case Studies, Reliability, Market Dynamics, Emerging Technologies, Scalability, Systems Integration, Capacity Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Agentic systems, Responsible AI, Compliance Management, Governance, Regulatory Compliance, Artificial Intelligence, Risk Analysis, Case Studies, Business Ethics, Ethical Standards And Conduct, Risk Management, Accountability, Regulatory Requirements
Intermediate · Course · 1 - 4 Weeks

McMaster University
Skills you'll gain: Experimentation, Data Visualization, Predictive Modeling, Pareto Chart, Process Improvement and Optimization, Simulation and Simulation Software, Process Optimization, Statistical Software, R Programming, Data Analysis, Statistical Analysis, R (Software), Case Studies
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Prompt Engineering, Customer Insights, AI Personalization, Big Data, Keyword Research, Performance marketing, Case Studies, Customer Analysis, Google Ads, Responsible AI, Marketing Analytics, Data Presentation, AI Product Strategy, Generative AI, Email Marketing, Marketing Automation, Social Media Marketing, Generative AI Agents, Campaign Management, Predictive Analytics
Intermediate · Specialization · 3 - 6 Months

ISC2
Skills you'll gain: Authentications, Authorization (Computing), Role-Based Access Control (RBAC), Identity and Access Management, Security Controls, User Provisioning, Data Access, Security Awareness, Multi-Factor Authentication
Beginner · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: ArcGIS, Data Storytelling, Spatial Data Analysis, Data Presentation, Geographic Information Systems, Spatial Analysis, Geospatial Mapping, Heat Maps, Data Visualization Software, Network Analysis, Data Manipulation
Intermediate · Course · 1 - 4 Weeks