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: Databricks, CI/CD, Apache Spark, Microsoft Azure, Data Governance, Data Lakes, Data Architecture, Integration Testing, Continuous Integration, Continuous Deployment, Data Infrastructure, Real Time Data, Data Integration, Data Pipelines, IT Automation, Data Management, Automation, Data Storage, Metadata Management, File Systems
★ 4.4 (57) · Intermediate · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Health Informatics, Informatics, Health Care, Health Assessment, Healthcare Project Management, Systems Analysis, Business Systems Analysis, Technical Communication, Requirements Analysis, Data Access, Process Modeling
★ 4.8 (68) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Computer Security Incident Management, NIST 800-53, Incident Management, Security Management, Digital Forensics, Security Controls, Disaster Recovery, Authorization (Computing), Continuous Monitoring, Change Control, Cybersecurity, Threat Management, Event Monitoring, Risk Management, System Monitoring, Cyber Risk, Cyber Security Policies, Vulnerability Assessments, Configuration Management, System Implementation
★ 4.7 (49) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Human Resources Software, Human Resources Management and Planning, AI Enablement, Agentic Workflows, People Analytics, Workforce Development, Business Process Automation, Digital Transformation, Program Implementation, Employee Engagement, Recruitment
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Apache Airflow, Data Warehousing, Data Flow Diagrams (DFDs), Data Lakes, Data Pipelines, Diagram Design, Data Integration, Performance Tuning, Data Governance, Cloud Deployment, Data Management, Data Modeling, Data Mapping, Extract, Transform, Load, Trend Analysis, Service Level Agreement, Systems Integration, SQL, Apache Kafka, Python Programming
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Package and Software Management, User Accounts, Unix Commands, Unix, Unix Shell, Bash (Scripting Language), Command-Line Interface, Kubernetes, Git (Version Control System), User Provisioning, GitHub, OS Process Management, Firewall, Ubuntu, Docker (Software), Containerization, Network Monitoring, File Systems, TCP/IP, Version Control
★ 4 (113) · Beginner · Specialization · 3 - 6 Months

New York University
Skills you'll gain: Supervised Learning, Machine Learning Methods, Dimensionality Reduction, Unsupervised Learning, Machine Learning Algorithms, Applied Machine Learning, Decision Tree Learning, Machine Learning, Machine Learning Software, Financial Trading, Financial Market, Reinforcement Learning, Scikit Learn (Machine Learning Library), Financial Services, Market Data, Correlation Analysis, Exploratory Data Analysis, Portfolio Management, Python Programming, Artificial Neural Networks
★ 3.7 (345) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cross-Functional Team Leadership, Matrix Management, Cross-Functional Collaboration, Team Building, Project Management, Project Coordination, Team Management, Coordinating, Goal Setting, Employee Coaching, Leadership, Team Leadership, Organizational Leadership, Team Collaboration, Strategic Leadership, Internal Communications, Influencing, Coordination, Accountability Frameworks, Interpersonal Communications
Intermediate · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Semiconductors, Electronics Engineering, Electronics, Electronic Hardware, Hardware Architecture, Thermal Management, Scalability, Interoperability, Systems Integration, Technology Roadmaps, Manufacturing Processes, Technical Standard
★ 4.7 (89) · Beginner · Course · 1 - 3 Months

Skills you'll gain: IT Service Management, Information Technology Infrastructure Library, Change Control, IT Management, Information Technology Architecture, Service Management, Security Management, Technical Services, Infrastructure Architecture, Enterprise Architecture, Risk Management Framework, IT Infrastructure, IT Security Architecture, Computing Platforms
★ 4.8 (186) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Virtual Networking, Load Balancing, Microsoft Azure, Network Monitoring, Network Troubleshooting, Network Planning And Design, Network Administration, Virtual Machines, Disaster Recovery, Network Performance Management, Security Controls, System Monitoring, Network Security, Cloud Storage, Remote Access Systems
★ 4.6 (12) · Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Brand Marketing, Digital Marketing Tools, Driving engagement, Marketing Strategies, Digital Media Strategy, MarTech, Digital Marketing Campaigns, Customer Engagement, Strategic Marketing, Social Media Marketing, Marketing, Digital Marketing, Consumer Behaviour, Market Trend, Strategic Planning, Trend Analysis
★ 4.5 (107) · Beginner · Course · 1 - 4 Weeks