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: Linux Administration, Package and Software Management, Linux, User Accounts, Operating System Administration, System Monitoring, Linux Commands, Amazon Web Services, Unix Commands, Network Troubleshooting, File Management, Command-Line Interface, Amazon Elastic Compute Cloud, Systems Administration, Operating Systems, Shell Script, General Networking, Service Management
Beginner · Course · 1 - 3 Months

Northeastern University
Skills you'll gain: Business Strategy, Corporate Strategy, Strategic Thinking, Strategic Planning, Business Planning, Organizational Strategy, Business, Competitive Analysis, Strategic Marketing, Growth Strategies, Strategic Decision-Making, New Business Development, Value Propositions, Strategic Prioritization
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Web Scraping, Relational Databases, Statistical Software, Data Import/Export, R Programming, MySQL, Data Capture, Microsoft Excel
Intermediate · Guided Project · Less Than 2 Hours

AI CERTs
Skills you'll gain: Blockchain, Payment Systems, Application Security, FinTech, Digital Assets, Cryptography, Financial Systems, Transaction Processing, Financial Regulation, Market Trend
Beginner · Course · 1 - 3 Months
Skills you'll gain: Infrastructure as Code (IaC), Docker (Software), Kubernetes, Terraform, Ansible, Cloud Infrastructure, Containerization, Cloud Management, Cloud Computing Architecture, Systems Development, Firewall, Application Deployment, Security Controls, Bash (Scripting Language)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Virtual Private Networks (VPN), Google Cloud Platform, Multi-Cloud, Hybrid Cloud Computing, Cloud Computing Architecture, Cloud Computing, General Networking, Network Infrastructure, Network Architecture, Wide Area Networks, Network Security
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Electrical Safety, Electrical Equipment, Maintenance, Repair, and Facility Services, Safety Standards, Hardware Troubleshooting, Test Equipment, Electrical Systems, Basic Electrical Systems, Sustainable Technologies, Transportation Operations, Environmental Regulations, Emerging Technologies
Beginner · Course · 1 - 4 Weeks
Coursera
Skills you'll gain: API Testing, Test Script Development, Scenario Testing, Software Testing, Integration Testing, Test Case, Test Automation, Test Tools, Regression Testing, Maintainability, User Interface (UI), Security Testing, Test Data, Scalability, Debugging, Authentications, Compliance Reporting, Performance Tuning, Automation
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Penetration Testing, Cyber Security Assessment, Vulnerability Assessments, Data Security, Cybersecurity, Exploitation techniques, Test Tools, User Requirements Documents, Authorization (Computing), Technical Documentation, Computing Platforms, Requirements Analysis, Technical Communication
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Generative AI Agents, Business Process Automation, Generative AI, AI Workflows, Automation, OpenAI, Multimodal Prompts, Slack (Software), AI Personalization, Human Resources, Performance Metric, Key Performance Indicators (KPIs), Real Time Data, Google Sheets, Application Programming Interface (API), Scalability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Maintenance, Operating System Administration, iSCSI Configuration, System Software
Intermediate · Course · 1 - 3 Months

University of Amsterdam
Skills you'll gain: Social Sciences, Surveys, Social Determinants Of Health, Scientific Methods, Infectious Diseases, Community Health, Community Outreach, Health Systems, Public Health, Health Policy, Governance, Systems Thinking, Policy Development
Intermediate · Course · 1 - 4 Weeks