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: Blockchain, Cryptography, Cybersecurity, Network Security, Data Security, Key Management, Encryption, Data Integrity, Authentications, Authorization (Computing), Transaction Processing, Algorithms
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Routing Protocols, Command-Line Interface, Open Shortest Path First (OSPF), Network Monitoring, Virtual Local Area Network (VLAN), Virtual Networking, Border Gateway Protocol, Network Security, Enterprise Architecture, Virtualization, Network Architecture, Network Routing, Wireless Networks, Network Planning And Design, Network Administration, Infrastructure Security, Virtual Private Networks (VPN), Ansible, Firewall, Security Controls
Intermediate · Specialization · 3 - 6 Months

LearnKartS
Skills you'll gain: Cyber Security Strategy, Security Controls, Security Awareness, Cryptography, Resilience, Service Recovery
Beginner · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Microsoft Azure, Virtual Machines, Scalability, Cloud Computing, Cloud Services, Infrastructure As A Service (IaaS), Cloud Infrastructure, Virtual Networking, Kubernetes, Cloud Security, Network Security, Network Routing, Load Balancing, Application Deployment, Operating System Administration, Identity and Access Management, Security Information and Event Management (SIEM)
Beginner · Course · 1 - 4 Weeks

28DIGITAL
Skills you'll gain: Cybersecurity, Network Security, Information Systems Security, Cyber Threat Intelligence, Deep Learning, Applied Machine Learning, Responsible AI, Intrusion Detection and Prevention, Fraud detection, Malware Protection, Natural Language Processing, Artificial Intelligence, Anomaly Detection, Machine Learning, Classification Algorithms, Data Preprocessing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Brute-force attacks, General Networking, Network Administration, Network Security, Penetration Testing, Wireless Networks, Exploitation techniques, Linux, Vulnerability Scanning, Linux Commands, Encryption, Network Analysis, Command-Line Interface, Virtual Machines
Intermediate · Course · 1 - 3 Months

Alibaba Cloud Academy
Skills you'll gain: Relational Databases, Load Balancing, Cloud Computing, Database Management, Cloud Infrastructure, Cloud Computing Architecture, Cloud Security, Data Security, Servers, Cloud Storage, Data Storage Technologies, Scalability, Encryption, Disaster Recovery
Beginner · Course · 1 - 3 Months

Skills you'll gain: Vulnerability Scanning, Network Security, Configuration Management, System Configuration, Vulnerability Assessments, Firewall, Linux Commands, Servers, TCP/IP, Network Analysis, Software Versioning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Vulnerability Assessments, Vulnerability Scanning, Open Web Application Security Project (OWASP), Exploitation techniques, Unix, Network Security, Cybersecurity, Information Systems Security, Network Analysis, Web Applications, Virtual Machines, Web Servers
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cybersecurity, Endpoint Security, Network Security, Cyber Attacks, Encryption, Information Systems Security, Application Security, Cyber Security Policies, Penetration Testing, Data Security, Computer Security Awareness Training, Firewall, Cryptography, Security Controls, Threat Modeling, Intrusion Detection and Prevention, Security Awareness, Mobile Security, Malware Protection, Authentications
Beginner · Course · 1 - 3 Months

Skills you'll gain: Penetration Testing, Exploitation techniques, Network Security, Intrusion Detection and Prevention, Local Area Networks, Threat Detection, General Networking, Linux, Linux Administration, Virtual Machines, Network Analysis
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cybersecurity, Cyber Security Assessment, Incident Response, Firewall, Vulnerability Scanning, Network Protocols, Brute-force attacks, Vulnerability Assessments, Malware Protection, Virtualization and Virtual Machines, Linux Commands
Beginner · Course · 1 - 3 Months