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: Mobile Security, Operating System Administration, Microsoft Windows, Malware Protection, Information Technology Operations, Disaster Recovery, Mac OS, Document Management, Command-Line Interface, Incident Response, Network Security, Linux, Information Systems Security, Incident Management, Security Controls, Cybersecurity, Windows PowerShell, Desktop Support, Operating Systems, Internet Of Things
Intermediate · Specialization · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Process Capability, Statistical Process Controls, R (Software), Statistical Analysis, Statistical Software, R Programming, Quality Control, Quality Improvement, Statistical Methods, Process Analysis, Data Transformation, Statistical Hypothesis Testing, Probability Distribution
★ 4.1 (17) · Intermediate · Course · 1 - 3 Months

Sciences Po
Skills you'll gain: Transportation Management, Economics, Policy, and Social Studies, Demography, Social Justice, Socioeconomics, Social Sciences, Public Safety and National Security, Community Development, Policy Analysis, Economic Development, Environmental Policy, Environmental Issue, Public Policies, Education and Training, Sociology, Cultural Diversity, Culture, Diversity and Inclusion, European History, Governance
★ 4.3 (29) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Red Hat Enterprise Linux, Command-Line Interface, Linux Administration, Linux Commands, User Accounts, User Provisioning, Linux, Operating System Administration, Software Installation, System Configuration, Systems Administration, Security Controls, Control Panels, Shell Script, File Management, Package and Software Management, System Monitoring, Configuration Management, User Interface (UI)
★ 5 (14) · Mixed · Course · 1 - 3 Months
Johns Hopkins University
Skills you'll gain: Public Health, Public Safety and National Security, Policty Analysis, Research, and Development, Public Policies, Social Studies, Social Sciences, Advocacy, Community Organizing, Law, Regulation, and Compliance, Surveys
★ 3.6 (22) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Embedded Systems, Tensorflow, Applied Machine Learning, Data Processing, Embedded Software, Data Preprocessing, Model Optimization, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning Software, Machine Learning Methods, Artificial Neural Networks, Machine Learning Algorithms, Model Training, Convolutional Neural Networks, Feature Engineering, Computer Vision, Deep Learning, Image Analysis, Machine Learning, Model Deployment
★ 4.2 (9) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Open Web Application Security Project (OWASP), Authentications, Web Applications, Penetration Testing, Application Security, Security Controls, Security Testing, Vulnerability Assessments, Application Programming Interface (API), Exploitation techniques, Web Servers, Cloud Security
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Software-Defined Networking, Wide Area Networks, Network Performance Management, Virtual Private Networks (VPN), Network Infrastructure, Network Routing, Cloud Deployment, System Configuration, Package and Software Management, Configuration Management, Scalability
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Data Pipelines, Dataflow, Data Warehousing, Extract, Transform, Load, Data Quality, Data Cleansing, Google Cloud Platform, Performance Tuning, Data Processing, Data Validation, Apache Spark, Cloud Services, Scalability, Data Transformation, System Monitoring, Serverless Computing
★ 4.4 (30) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Responsible AI, Microsoft Azure, Artificial Intelligence, Data Ethics, Image Analysis, Natural Language Processing, Computer Vision, AI literacy, AI Security, Applied Machine Learning, AI Workflows, No-Code Development, Model Deployment, Machine Learning
★ 4.5 (36) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Fundraising and Crowdsourcing, Fundraising, Goal Setting, Philanthropy, Campaign Management, Promotions and Campaigns, Drive Engagement, Content Creation, Personalized Campaigns
★ 4.3 (6) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Oracle Cloud, Oracle Databases, Oracle Cloud Applications, Data Infrastructure, Data Architecture, Data Migration, Database Software, Data Lakes, Database Architecture and Administration, NoSQL, Database Management, Data Strategy, MySQL, Cloud Deployment, Data Security, Machine Learning Methods
★ 4.6 (8) · Beginner · Course · 1 - 4 Weeks