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.

Cisco Learning and Certifications
Skills you'll gain: Incident Response, Computer Security Incident Management, Incident Management, General Networking, Network Security, Cybersecurity, Cyber Security Policies, Computer Networking, Record Keeping, Data Sharing
★ 4.9 (60) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Linux Commands, Metasploit, Open Web Application Security Project (OWASP), Linux, Penetration Testing, Exploit development, Vulnerability Scanning, Command-Line Interface, Exploitation techniques, Security Testing, Linux Administration, Scripting, Vulnerability Assessments, Hardening, Brute-force attacks, General Networking, Scripting Languages, Shell Script, Cybersecurity, Network Security
★ 4.3 (50) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: User Research, Design Thinking, UI/UX Research, Usability Testing, Design Research, User Interface and User Experience (UI/UX) Design, Wireframing, User Interface (UI), Usability, User Experience, Mockups, Human Centered Design, User Experience Design, Persona (User Experience), User Interface (UI) Design, Prototyping, Figma (Design Software), Interaction Design, User Flows, Software Design Documents
★ 4 (14) · Advanced · Course · 1 - 3 Months
Amazon Web Services
Skills you'll gain: Serverless Computing, AWS Identity and Access Management (IAM), Event-Driven Programming, Solution Architecture, Cloud Computing Architecture, Cloud Solutions, User Accounts, Identity and Access Management, Amazon Web Services, Software Architecture, IT Security Architecture, Back-End Web Development, API Gateway, Hybrid Cloud Computing, Cloud Engineering, Systems Architecture, Cloud Management, Information Technology Architecture, Data Analysis, Data Visualization
★ 4.8 (582) · Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Restful API, Web Services, Java Platform Enterprise Edition (J2EE), Software Design, Java, Application Programming Interface (API), API Design, Web Applications, Object Oriented Design, Software Design Patterns, Software Architecture, Command-Line Interface
★ 4.3 (16) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cash Management, Contingency Planning, Market Liquidity, Bank Regulations, Crisis Management, Banking, Financial Regulation, Credit Risk, Commercial Banking, Risk Management, Business Continuity Planning, Financial Management, Financial Market, Financial Planning, Stress Management, Operations Management, Key Management, IT Management, Planning, Operations
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Containerization, Kubernetes, Cloud-Native Computing, Node.JS, Distributed Computing, Load Balancing, Scalability, Microservices, API Gateway, Redis, Cloud Deployment, Systems Architecture, Software Architecture, Web Applications, Event-Driven Programming, Javascript, Maintainability, Performance Tuning, OS Process Management, Development Testing
Advanced · Course · 1 - 4 Weeks

Sage Publications
Skills you'll gain: Social Media Strategy, Digital Media Strategy, Paid media, Social Media Marketing, Social Media, Social Media Management, Social Media Content, Service Recovery, Social Media Analytics, Marketing Communications, Digital Marketing, Employee Engagement, Earned Media, Marketing, Consumer Behaviour, Customer Complaint Resolution, Brand Management, Brand Loyalty, Drive Engagement, Content Creation
Beginner · Course · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: MITRE ATT&CK Framework, Penetration Testing, Exploitation techniques, Mobile Security, Vulnerability Scanning, Cybersecurity, Security Testing, Application Security, Network Security, Vulnerability Assessments, Web Applications, Wireless Networks, Network Protocols
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Node.JS, Dataflow, Unit Testing, Data Pipelines, Test Script Development, Test Automation, Software Design Patterns, Code Reusability, Maintainability, Software Testing, Software Architecture, Middleware, Test Tools, Development Testing, System Testing, Test Engineering, Scalability, Microservices, Web Development, Javascript
Advanced · Course · 1 - 3 Months

Coursera
Skills you'll gain: Customer Retention, HubSpot CRM, Brand Awareness, Surveys, Survey Creation, Marketing Analytics, Google Analytics, Customer Analysis, Customer Service, Customer Relationship Management (CRM) Software, Customer Insights, Brand Loyalty, Customer Relationship Management, Customer Data Management, A/B Testing, AI Product Strategy, Target Audience, Data Analysis, Digital Marketing, Performance Measurement
★ 4.5 (130) · Intermediate · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: Requirements Elicitation, Software Design Documents, Requirements Analysis, Mockups, Security Requirements Analysis, Interviewing Skills, User Requirements Documents, Systems Development Life Cycle, Data Flow Diagrams (DFDs), Storyboarding, Functional Requirement, Goal Setting, Software Development Methodologies, Software Documentation, Diagram Design, Agile Methodology, Product Requirements, Unified Modeling Language, Risk Management Framework, Risking
★ 4.5 (857) · Beginner · Specialization · 3 - 6 Months