Wireshark courses can help you learn network protocol analysis, packet capturing, traffic filtering, and troubleshooting techniques. You can build skills in identifying network anomalies, analyzing data flows, and interpreting protocol hierarchies. Many courses introduce tools like Wireshark itself, along with methodologies for effective network diagnostics and performance monitoring.

Cisco Learning and Certifications
Skills you'll gain: Cyber Threat Intelligence, Cyber Threat Hunting, Threat Detection, Vulnerability Assessments, Threat Management, Event Monitoring, Intrusion Detection and Prevention, Security Information and Event Management (SIEM), Computer Security Incident Management, Continuous Monitoring, Security Management, Malware Protection, Network Security, Network Analysis, Network Monitoring
★ 4.8 (41) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: SQL, Data Structures
★ 4.3 (7) · Intermediate · Course · 1 - 3 Months

Infosec
Skills you'll gain: Open Web Application Security Project (OWASP), Authentications, Application Security, Vulnerability Management, Event Monitoring, Security Controls, Exploitation techniques, Data Integrity, Continuous Monitoring, System Monitoring, Patch Management, Identity and Access Management, Multi-Factor Authentication, Incident Response, Server Side, CI/CD
★ 4.6 (62) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Exploit development, Penetration Testing, Exploitation techniques, Technical Communication, Scripting, Technical Writing, IT Automation, Scripting Languages, Programming Principles, Automation, Data Security
★ 4.6 (11) · Intermediate · Course · 1 - 4 Weeks

★ 4.7 (16) · Mixed · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Open Web Application Security Project (OWASP), Exploitation techniques, Internet Of Things, Security Testing, Embedded Software, Cyber Security Assessment, Hardware Troubleshooting, Vulnerability Assessments, Test Tools, Embedded Systems, Network Security, General Networking
Beginner · Course · 1 - 3 Months

Skills you'll gain: Penetration Testing, Vulnerability Scanning, Cyber Security Assessment, Vulnerability Assessments, MITRE ATT&CK Framework, Security Testing, Payment Card Industry (PCI) Data Security Standards, NIST 800-53, Network Analysis, General Data Protection Regulation (GDPR), Cloud Computing
★ 4.8 (9) · Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Digital Communications, OSI Models, Network Protocols, TCP/IP, Communication Systems, Routing Protocols, Telecommunications, Network Routing, Network Architecture, Network Planning And Design, General Networking, Computer Networking, System Programming, Data Validation, Data Integrity
★ 4.6 (2.4K) · Intermediate · Course · 1 - 3 Months
Skills you'll gain: Network Security, Hardening, Network Protocols, Cloud Security, Network Architecture, Intrusion Detection and Prevention, TCP/IP, Vulnerability Assessments, Computer Networking, Cybersecurity, General Networking, Network Model, Network Infrastructure, Firewall, Security Controls, Cloud Computing, Virtual Private Networks (VPN)
★ 4.8 (7.4K) · Beginner · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Open Web Application Security Project (OWASP), Exploitation techniques, Authentications, Vulnerability Assessments, Application Security, Vulnerability Management, Event Monitoring, Security Controls, Data Integrity, Continuous Monitoring, Secure Coding, System Monitoring, Patch Management, Identity and Access Management, Multi-Factor Authentication, Authorization (Computing), Cryptography, Extensible Markup Language (XML), System Configuration, Incident Response
★ 4.5 (126) · Intermediate · Specialization · 3 - 6 Months

Check Point Software Technologies Ltd.
Skills you'll gain: Command-Line Interface, Firewall, System Configuration, Security Management, Network Security, Network Administration, Network Monitoring, Virtualization
★ 4.7 (10) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Metasploit, Exploitation techniques, Penetration Testing, Vulnerability Assessments, Vulnerability Scanning, Verification And Validation, Linux Commands, Command-Line Interface, Virtual Machines
★ 4.9 (19) · Beginner · Course · 1 - 4 Weeks