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.

EDUCBA
Skills you'll gain: Remote Access Systems, Command-Line Interface, System Monitoring, Unix Commands, User Accounts, Linux, Linux Administration, Shell Script, Linux Commands, Operating System Administration, Systems Administration, Software Installation, File Systems, System Configuration, Data Sharing, Security Controls, Operating Systems, File Management
Beginner · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: Multiprotocol Label Switching, Virtual Private Networks (VPN), Routing Protocols, Border Gateway Protocol, Open Shortest Path First (OSPF), Network Troubleshooting, Network Routers, Wide Area Networks, Network Routing, Network Monitoring, Command-Line Interface
Beginner · Course · 1 - 3 Months

Skillshare
Skills you'll gain: Diversity Equity and Inclusion Initiatives, Diversity Training, Diversity and Inclusion, Diversity Programs, Diversity Awareness, Workplace inclusivity, Initiative and Leadership, Organizational Leadership, Leadership Development, Strategic Leadership, Organizational Change, Organizational Effectiveness, Case Studies, Goal Setting
Beginner · Course · 1 - 4 Weeks

Pearson
Skills you'll gain: Network Troubleshooting, TCP/IP, Routing Protocols, Network Routing, Open Shortest Path First (OSPF), Network Administration, General Networking, System Configuration, Network Protocols, Linux Commands
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Electronic Systems, Simulation and Simulation Software, Electronics Engineering, Electrical Engineering, Telecommunications, Engineering, Scientific, and Technical Instruments, Performance Testing, Electronic Components, Technical Design, Wireless Networks, Engineering Analysis, Network Analysis, Design, Design and Product, Grant Applications, Data Management
Intermediate · Course · 1 - 4 Weeks

Splunk Inc.
Skills you'll gain: Splunk, Interactive Data Visualization, Visualization (Computer Graphics), Data Mapping, Frontend Performance, Geospatial Mapping, Wireframing, Extensible Markup Language (XML), UI Components, Prototyping, Debugging
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Quality, SQL, YAML, Data Pipelines, Data Validation, Data Mart, CI/CD, Data Modeling, Data Transformation, Version Control, Git (Version Control System), Technical Documentation, Maintainability, Scalability
Intermediate · Course · 1 - 4 Weeks

University of Pittsburgh
Skills you'll gain: Adaptive Equipment, Home Health Care, Network Protocols, Mobility Assistance, Wireless Networks, Health Technology, Disabilities, Long Term Care, End User Training and Support, Technology Strategies, Technical Consulting, Telecommunications, Patient Assistance, Internet Of Things, Patient Evaluation, Interoperability, Usability, Clinical Assessment, Patient-centered Care, Automation
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Blockchain, Secure Coding, Application Security, Legal Technology, Vulnerability Assessments, Program Development, Software Development Tools, Development Testing, Debugging, Application Deployment, Emerging Technologies, Performance Tuning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Ansible, Red Hat Enterprise Linux, Package and Software Management, User Accounts, IT Automation, OS Process Management, Linux Administration, Infrastructure as Code (IaC), Network Administration, Data Storage, Devops Tools, Automation, Systems Administration, Shell Script, Scripting, Linux, YAML, Linux Servers, Scenario Testing, Verification And Validation
Intermediate · Specialization · 1 - 4 Weeks

Skills you'll gain: Oracle Databases, Operational Databases, Scalability, Database Management, Performance Tuning, Database Management Systems, Database Architecture and Administration, System Monitoring
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Target Audience, Facebook, Advertising Campaigns, Instagram, Social Media Campaigns, Goal Setting, Social Media, Digital Advertising, Paid media, Social Media Marketing, Marketing Strategy and Techniques, Social Media Content, Content Creation
Intermediate · Guided Project · Less Than 2 Hours