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.

Packt
Skills you'll gain: Penetration Testing, Security Testing, Cybersecurity, Network Security, Brute-force attacks, TCP/IP, Network Monitoring, Vulnerability Assessments, Servers, Network Analysis, Network Protocols
Intermediate · Course · 1 - 3 Months

Amazon Web Services
Skills you'll gain: Load Balancing, Amazon Web Services, Network Performance Management, Network Architecture, Scalability, TCP/IP, Network Protocols, Servers
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Social Network Analysis, Bayesian Network, Data Analysis, Python Programming, Probability Distribution
Advanced · Course · 1 - 4 Weeks

AI CERTs
Skills you'll gain: Blockchain, Cryptography, Encryption, Network Security, Cybersecurity, Authentications, Public Key Cryptography Standards (PKCS), Vulnerability Assessments, Data Validation, Data Integrity, Transaction Processing, Distributed Computing
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Blockchain, Key Management, Cryptography, Application Security, Encryption, Secure Coding, Data Security, Public Key Cryptography Standards (PKCS), Security Testing, Vulnerability Management, Vulnerability Assessments, Code Review
Intermediate · Course · 1 - 3 Months

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

Skills you'll gain: Software Testing, Open Web Application Security Project (OWASP), Business Logic, Secure Coding, Cryptography, Cybersecurity, Test Case, Identity and Access Management, Authentications, Vulnerability Assessments, Threat Modeling, Encryption, Data Validation, Network Protocols, Authorization (Computing), Web Applications
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Google Gemini, Virtual Networking, Google Cloud Platform, Network Administration, Virtual Machines, Network Planning And Design, Network Architecture
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: vSphere Networking and Storage, VMware vSAN, vCenter Server, Virtual Networking, iSCSI Configuration, Virtual Machines, Network Administration, Servers, Data Storage Technologies, Network Security, Data Storage, Network Switches, Role-Based Access Control (RBAC)
Intermediate · Course · 1 - 4 Weeks

University at Buffalo
Skills you'll gain: Intrusion Detection and Prevention, Security Controls, Continuous Monitoring, Incident Response, Vulnerability Assessments, Software Development Life Cycle, Cybersecurity, Computer Security Incident Management, Cyber Security Policies, Cyber Security Assessment, Information Assurance, Network Security, Risk Management Framework, Cloud Security, Authentications
Beginner · 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), Geographic Information Systems, Encryption, Data Security, Network Security, Information Systems Security, Web Components, Public Key Infrastructure, Wireless Networks
Beginner · Course · 1 - 4 Weeks

Macquarie University
Skills you'll gain: Incident Response, Incident Management, Cyber Governance, Computer Security Incident Management, Cyber Risk, Cyber Security Strategy, Law, Regulation, and Compliance, Cyber Attacks, Security Management, Security Strategy, Security Awareness, Culture Transformation, Cyber Security Policies, Cyber Threat Intelligence, Intrusion Detection and Prevention, Mobile Security, Threat Detection, Cybersecurity, Cyber Operations, Cyber Security Assessment
Beginner · Specialization · 3 - 6 Months