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: Incident Response, Computer Security Incident Management, Intrusion Detection and Prevention, Threat Detection, Cyber Threat Hunting, Incident Management, Cybersecurity, Security Management, Security Information and Event Management (SIEM), Data Integrity, Technical Communication
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Cybersecurity, Threat Management, Security Controls, Cyber Security Strategy, Threat Detection, Cyber Security Policies, Security Awareness, Computer Security Awareness Training, Cyber Risk, Data Security, Network Security, Enterprise Security, Information Assurance, Incident Response, Data Integrity
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Performance Measurement, Search Engine Marketing, Content Performance Analysis, Data-Driven Decision-Making, Search Engine Optimization, Branding, Business Metrics, Marketing Strategy and Techniques, Digital Marketing, Customer Engagement, Customer experience strategy (CX), Marketing, E-Commerce, Email Marketing, Brand Awareness, Marketing Analytics, Target Audience, Social Media Marketing, Goal Setting
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Information Systems Security, Cyber Security Policies, Data Ethics, Cyber Governance, Application Security, Cyber Risk, Computer Security, Security Testing, General Data Protection Regulation (GDPR)
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Responsive Web Design, AI Personalization, Web Analytics and SEO, HTML and CSS, Application Security, Cloud Hosting, Control Panels
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Performance Tuning, Splunk, Role-Based Access Control (RBAC), Scripting, Servers, Security Controls, Data Pipelines, System Monitoring, Data Infrastructure, Network Troubleshooting, Distributed Computing, Systems Administration, System Configuration, Identity and Access Management, Data Management, Security Information and Event Management (SIEM), Configuration Management, Debugging, Software Architecture, Performance Improvement
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Ubuntu, Package and Software Management, Bash (Scripting Language), Linux Servers, Linux Administration, Unix, Linux, Shell Script, Unix Shell, Server Administration, Operating System Administration, Linux Commands, Systems Administration, User Accounts, Servers, System Monitoring, User Provisioning, Command-Line Interface, Software Installation, Computer Security
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Systems Administration, IT Security Architecture, Operating System Administration, Remote Access Systems, IT Infrastructure, Hardening, Network Troubleshooting, OSI Models, Computer Networking, Routing Protocols, Desktop Support, Application Security, TCP/IP, Security Strategy, Server Administration, Network Security, Technical Support, Microsoft Windows, Computer Hardware, Software Installation
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Blockchain, Threat Modeling, Application Deployment, Scripting, Cryptography, Cryptographic Protocols, Application Security, Scalability, Software Development, Payment Systems, FinTech, Secure Coding, Software Development Tools, Distributed Computing, Computer Programming, Transaction Processing, Emerging Technologies, Business Analysis, Market Dynamics, Finance
Intermediate · Specialization · 1 - 3 Months

The University of Sydney
Skills you'll gain: Blockchain, Distributed Computing, Security Engineering, Network Security, Scalability, Cryptography, Data Integrity, Transaction Processing, Algorithms
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Exploitation techniques, Border Gateway Protocol, Malware Protection, Cybersecurity, TCP/IP, Internet Of Things, Network Security, Threat Detection, Network Routing, Network Analysis, Cyber Risk, Network Protocols, Docker (Software)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Literacy, Data Mining, Big Data, Cloud Computing, Data Analysis, Data Science, Digital Transformation, Data-Driven Decision-Making, Deep Learning, Machine Learning, Artificial Intelligence
Beginner · Course · 1 - 4 Weeks