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: OSI Models, TCP/IP, Vulnerability Scanning, General Networking, Network Protocols, Network Security, Network Monitoring, Network Troubleshooting, Security Testing, Intrusion Detection and Prevention, Vulnerability Assessments, Firewall, Performance Tuning, Threat Detection, Network Analysis, Test Script Development, Scripting, System Configuration
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Cyber Threat Hunting, Incident Response, Computer Security Incident Management, Cybersecurity, Network Security, Cyber Security Policies, Cyber Operations, Cyber Attacks, Cyber Security Strategy, Threat Detection, Security Controls, Cyber Security Assessment, Threat Management, Intrusion Detection and Prevention, Computer Security, Firewall, Security Information and Event Management (SIEM), Continuous Monitoring, Event Monitoring, Endpoint Security
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Blockchain, Cryptography, Cybersecurity, Network Security, Cryptographic Protocols, Data Security, Public Key Cryptography Standards (PKCS), Cyber Risk, Data Integrity, Transaction Processing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Network Architecture, Network Monitoring, Load Balancing, Network Planning And Design, Virtual Networking, Microsoft Azure, Network Engineering, Network Troubleshooting, Network Infrastructure, Cloud Engineering, Network Administration, Scalability, Network Security, Firewall, Virtual Private Networks (VPN), TCP/IP, Distributed Denial-Of-Service (DDoS) Attacks, Hybrid Cloud Computing, Remote Access Systems
Beginner · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Security Management, Identity and Access Management, Application Security, Security Strategy, Secure Coding, Security Testing, Cyber Security Assessment, Security Engineering, IT Security Architecture, Security Controls, Risk Management Framework, Cybersecurity, Authentications, Software Development, Network Security, Risk Management, Infrastructure Security, Data Security, Cyber Operations, Continuous Monitoring
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Email Security, Cloud Security, Intrusion Detection and Prevention, Incident Response, Computer Security Incident Management, Incident Management, Vulnerability Management, Risk Management Framework, Malware Protection, Security Management, Threat Management, Application Security, Cloud Computing, Cybersecurity, Cyber Attacks, Disaster Recovery, Vulnerability Assessments, Threat Detection, Network Security, Risk Management
Intermediate · Specialization · 1 - 3 Months

Alibaba Cloud Academy
Skills you'll gain: Cloud Security, Network Security, General Networking, IT Security Architecture, Operating System Administration, Network Architecture, Data Security, Application Security, Cloud Computing, Cloud Infrastructure, Operating Systems, Linux, Hardening, Distributed Denial-Of-Service (DDoS) Attacks, Linux Commands
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Loss Prevention, Security Testing, Network Security, Cryptography, Cyber Security Assessment, Cryptographic Protocols, Security Controls, Cloud Security, Encryption, Data Security, Network Administration, Information Assurance, Identity and Access Management, Cloud Computing, Penetration Testing, Cyber Risk, Authorization (Computing), Information Privacy
Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Cyber Security Strategy, Cyber Threat Intelligence, Threat Management, Network Model, Computer Security, IT Security Architecture, Exploitation techniques, Security Controls, Security Awareness, Systems Design, System Design and Implementation, Cryptography, Resilience, Service Recovery
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cyber Threat Intelligence, Vulnerability Assessments, Incident Response, Cyber Security Assessment, Vulnerability Scanning, Cybersecurity, Threat Modeling, Threat Detection, Application Security, Malware Protection, Network Analysis, Encryption
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Cybersecurity, Cyber Security Assessment, Security Testing, Incident Response, Cyber Attacks, Firewall, Computer Security Incident Management, Cyber Security Strategy, Vulnerability Scanning, Computer Security, Cyber Threat Intelligence, Information Systems Security, Network Protocols, Exploitation techniques, Brute-force attacks, Email Security, Vulnerability Assessments, Malware Protection, Virtualization and Virtual Machines, Software Installation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Mobile Security, Wireless Networks, Network Security, Application Security, Internet Of Things, Endpoint Security, Cybersecurity, Information Systems Security, Infrastructure Security, Penetration Testing, Exploitation techniques, Vulnerability Assessments, Data Security, Encryption
Intermediate · Course · 1 - 4 Weeks