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, Linux, User Accounts, Identity and Access Management, Authentications, Virtual Machines, Authorization (Computing), Virtualization, Operating System Administration, Security Controls, System Configuration, Virtual Environment, Command-Line Interface, Software Installation
Beginner · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Data Security, Personally Identifiable Information, Information Assurance, Data Governance, Data Loss Prevention, Data Management, Data Integrity, Threat Management, Data Storage, Security Controls, Threat Detection, Encryption, Identity and Access Management
★ 4.7 (24) · Advanced · Course · 1 - 4 Weeks

CertNexus
Skills you'll gain: Application Security, Threat Modeling, Human Factors (Security), Secure Coding, Open Web Application Security Project (OWASP), Vulnerability, Computer Security, Vulnerability Management, Vulnerability Assessments, Data Security, Security Strategy, Security Controls, Cyber Security Strategy, Computer Programming, Design, Python Programming, Javascript, Design Strategies, JavaScript Frameworks, Node.JS
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: ISO/IEC 27001, Security Controls, Security Management, IT Management, Cryptography, Governance, Cyber Governance, Business Continuity, Incident Response, Governance Risk Management and Compliance, Incident Management, Information Assurance, Information Systems Security, Supplier Management, Supplier Risk Management, Data Security, Cybersecurity, Cyber Security Strategy, IT Service Management, Risk Management
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Security Engineering, Security Requirements Analysis, Risk Management Framework, Systems Engineering, Information Systems Security Assessment Framework (ISSAF), System Implementation, Information Systems Security, Security Strategy, Security Management, Information Assurance, Verification And Validation, Systems Development Life Cycle, Systems Integration, Change Control
Beginner · Course · 1 - 3 Months

Skills you'll gain: Network Troubleshooting, Network Routers, Network Architecture, Networking Hardware, Network Administration, Network Routing, Computer Networking, Virtual Networking, General Networking, Network Switches, Command-Line Interface
★ 4.4 (38) · Beginner · Guided Project · Less Than 2 Hours

LearnKartS
Skills you'll gain: Cloud Security, Open Web Application Security Project (OWASP), Data Governance, Data Management, Data Security, Cloud API, Secure Coding, Application Security, DevSecOps, Cloud Applications, Key Management, Encryption, Information Privacy, OAuth, Cloud Storage, API Gateway, Threat Modeling, Data Encryption Standard, Risk Management Framework
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Cloud Security, Threat Detection, Configuration Management, Google Cloud Platform, Security Management, Vulnerability Scanning, Continuous Monitoring, Vulnerability Management, Cyber Security Assessment, Anomaly Detection
Beginner · Course · 1 - 3 Months

John Wiley & Sons
Skills you'll gain: SQL, Database Architecture and Administration, Transaction Processing, Database Application, Database Management, Data Access, Relational Databases, Database Development, Data Manipulation, Database Administration, Database Theory, Databases, Data Transformation, Database Management Systems, Data Security, Identity and Access Management, Data Management, Data Integrity, Performance Tuning
Intermediate · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Security Management, Security Controls, Asset Management, Security Strategy, IT Management, Program Management, Security Awareness, Computer Security Awareness Training, Cyber Security Strategy, IT Security Architecture, Information Management, Technology Roadmaps, Cyber Security Policies, Continuous Monitoring, Cybersecurity, Enterprise Security, Program Development, Vendor Management, Quality Management, Continuous Improvement Process
Mixed · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Risk Management, Risk Analysis, Risk Management Framework, Risk Modeling, Security Management, Risk Appetite, Business Risk Management, Cyber Risk, Risk Mitigation, Threat Management, Enterprise Risk Management (ERM), Risk Control, Vulnerability Assessments, Threat Modeling, Vulnerability Management, Threat Detection, Security Controls, Stakeholder Communications, Vulnerability, Stakeholder Engagement
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Linux Commands, Linux, TCP/IP, Scripting, Shell Script, Bash (Scripting Language), Network Monitoring, Network Analysis, Network Security, Network Protocols
★ 4.6 (10) · Intermediate · Guided Project · Less Than 2 Hours