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.

Google Cloud
Skills you'll gain: Apache, Event Monitoring, Network Monitoring, Data Import/Export, Web Servers, Virtual Networking, Servers, Network Analysis
Intermediate · Project · Less Than 2 Hours

IE Business School
Skills you'll gain: Market Dynamics, Economics, Market Share, Market Analysis, Network Model, Consumer Behaviour, Business Modeling, Entrepreneurship, Competitive Analysis, Business Strategy, Corporate Strategy
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Threat Modeling, Data Loss Prevention, Mobile Security, DevSecOps, MLOps (Machine Learning Operations), Vulnerability Scanning, Model Optimization, Incident Response, LLM Application, Hardening, Application Security, Anomaly Detection, Responsible AI, Security Controls, Data Security, CI/CD, Infrastructure Security, Continuous Monitoring, Penetration Testing, Vulnerability Assessments
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: LinkedIn, Professional Networking, Web Presence, Relationship Building, Professional Development, General Networking, Professionalism
★ 4.6 (895) · Beginner · Guided Project · Less Than 2 Hours

University of Colorado System
Skills you'll gain: Cybersecurity, Cyber Security Strategy, Risk Management Framework, Infrastructure Security, Cyber Attacks, Cyber Risk, Cyber Security Policies, Public Safety and National Security, Cyber Security Assessment, Cyber Operations, Security Management, Cyber Governance, Continuous Monitoring, Incident Response, Technology Roadmaps, Cyber Threat Intelligence, Network Infrastructure, Technology Solutions, Transportation Operations, Computer Security
★ 4.7 (634) · Beginner · Specialization · 3 - 6 Months

John Wiley & Sons
Skills you'll gain: Cybersecurity, Security Awareness, Computer Security Awareness Training, Cyber Attacks, Cyber Risk, Cyber Security Strategy, Information Systems Security, Security Management, Security Controls, Data Security, Computer Security, Risk Mitigation, Security Strategy, Incident Response, Risk Management, Vulnerability Management, Malware Protection, Encryption, Authorization (Computing), Authentications
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Email Security, Cybersecurity, Hardening, Authorization (Computing), Cyber Attacks, Security Awareness, Security Controls, Threat Management, Encryption, Data Security, Identity and Access Management, Authentications, Application Security, Endpoint Security, Threat Detection, Cryptography, Malware Protection, Patch Management, Multi-Factor Authentication
★ 4.9 (2K) · Beginner · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Open Web Application Security Project (OWASP), Cloud Security, Authentications, Key Management, Cloud Applications, Application Security, Cloud Development, Secure Coding, DevSecOps, Cloud Computing, Cloud Services, Identity and Access Management, Multi-Factor Authentication, Data Security, Cryptography, Cryptographic Protocols, Application Programming Interface (API), Web Servers, Transaction Processing, Server Side
★ 4.3 (27) · Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Role-Based Access Control (RBAC), Authorization (Computing), Identity and Access Management, AWS Identity and Access Management (IAM), Security Controls, Geographic Information Systems, Geospatial Information and Technology, Encryption, Data Security, Network Security, Public Key Infrastructure, Cryptography, Web Applications, Wireless Networks
★ 4.6 (377) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Software Testing, Business Logic, Test Tools, Cryptography, Cybersecurity, Identity and Access Management, Authentications, Vulnerability Assessments, Encryption, Data Validation, Network Protocols
Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Cloud Management, Cloud Computing Architecture, Identity and Access Management, Cloud Infrastructure, AWS Identity and Access Management (IAM), Virtualization and Virtual Machines, Virtual Machines, Cloud Security, Virtualization, Cloud Deployment, Cloud Platforms, Authorization (Computing), Infrastructure As A Service (IaaS), Cloud Services, Role-Based Access Control (RBAC), User Provisioning, Authentications, Security Awareness, Cyber Threat Intelligence, Cyber Security Strategy
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Social Media Marketing, Social Media, Social Media Strategy, Social Media Analytics, Marketing Strategies, Marketing, LinkedIn, Digital Marketing, Facebook, Customer Engagement, Customer Analysis, Marketing Communications, Consumer Behaviour, Global Marketing, Brand Awareness
Mixed · Course · 1 - 4 Weeks