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: Authentications, Incident Response, MITRE ATT&CK Framework, Security Controls, Cryptography, Malware Protection, Threat Modeling, Endpoint Security, Key Management, Authorization (Computing), Public Key Infrastructure, Vulnerability Assessments, Risk Management, Network Security, Application Security, Business Continuity Planning, Asset Management, Cloud Security, OSI Models, Continuous Monitoring
Beginner · Specialization · 1 - 3 Months

AI CERTs
Skills you'll gain: Cyber Threat Intelligence, Cyber Security Strategy, Encryption
Advanced · Course · 1 - 3 Months

Skills you'll gain: Security Controls, Continuous Monitoring, Security Management, Vulnerability Management, Authorization (Computing), Anomaly Detection
Intermediate · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Data Security, Risk Management Framework, Key Management, Cybersecurity, Encryption, Data Storage, USB, Blockchain, Computer Hardware
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Threat Modeling, Open Web Application Security Project (OWASP), DevSecOps, Secure Coding, Application Security, Threat Detection, Security Testing, Security Engineering, Continuous Delivery, Continuous Integration, Vulnerability Assessments, CI/CD, Vulnerability Scanning, Continuous Deployment
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Mac OS, Network Security, Threat Management, Endpoint Security, Threat Detection, Computer Security Awareness Training, Security Strategy, Information Systems Security, Security Controls, Network Protocols, Automation
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Cybersecurity, Cyber Security Strategy, Infrastructure Security, Cyber Attacks, Cyber Operations, Cyber Risk, Cyber Security Policies, Cyber Governance, Incident Response, Risk Management Framework, Technology Solutions, Legal Risk
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Application Security, OAuth, Data Validation, Authentications, Security Testing, Secure Coding, Web Applications, Authorization (Computing), Vulnerability Scanning, Cyber Attacks, Distributed Denial-Of-Service (DDoS) Attacks, Server Side, Security Strategy
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: System Monitoring, Computer Security Incident Management, Network Analysis, Data Integrity
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Windows Servers, Active Directory, Remote Access Systems, Microsoft Servers, Virtual Private Networks (VPN), Microsoft Azure, Dynamic Host Configuration Protocol (DHCP), Hybrid Cloud Computing, Data Storage Technologies, Network Infrastructure, Virtual Networking, Cloud Storage, Wide Area Networks, File Systems, TCP/IP
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Network Architecture, Network Security, Network Planning And Design, Cloud Computing Architecture, Virtual Networking, Network Troubleshooting, Google Cloud Platform, Network Routing, Virtual Private Networks (VPN), Firewall, Load Balancing, Scalability
Intermediate · Course · 1 - 4 Weeks

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