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.

University of California, Irvine
Skills you'll gain: digital literacy, Systems Development, Data Security, System Design and Implementation, Data Ethics, Cybersecurity, Safety and Security, Information Technology, Information Privacy, Computer Literacy, Software Development Tools, Technology Strategies
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Load Balancing, Application Deployment, Cloud Management, Google Cloud Platform, Virtual Machines, Cloud Infrastructure, Web Servers, Servers, Network Model, Network Routing, Network Analysis
Beginner · Project · Less Than 2 Hours
Skills you'll gain: Vulnerability Scanning, Digital Forensics, Linux, Linux Administration, Network Security, User Accounts, Network Monitoring, System Monitoring, Hardening, Continuous Monitoring, Information Systems Security, Security Controls, Wireless Networks, Penetration Testing, Cybersecurity, Containerization, Incident Response
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Vulnerability Management, Cyber Governance, Threat Modeling, Network Security, Cyber Threat Intelligence, Malware Protection, Cyber Attacks, Governance Risk Management and Compliance, Incident Management, Hardening, Threat Detection, Security Strategy, Application Security, Mobile Security, Business Risk Management, Cyber Security Policies, Vulnerability, Security Awareness, Vulnerability Assessments, Vulnerability Scanning
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Penetration Testing, OSI Models, Exploitation techniques, TCP/IP, Network Protocols, Distributed Denial-Of-Service (DDoS) Attacks, Network Security, Cyber Security Assessment, General Networking, Vulnerability Scanning, Cybersecurity, Web Development, Prompt Engineering, Large Language Modeling, Scripting, Python Programming, SQL, Command-Line Interface, Data Structures
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Blockchain, Security Controls, Cybersecurity, Security Engineering, Network Security, Cryptography, Vulnerability Assessments, Encryption, Transaction Processing, Key Management, Risk Management, Public Key Cryptography Standards (PKCS), Data Integrity, Scalability
Intermediate · Course · 1 - 3 Months

Skills you'll gain: IT Security Architecture, Security Controls, Cryptography, Security Engineering, Application Security, Vulnerability Assessments, Information Systems Security, Encryption, Cybersecurity, Hardening, Infrastructure Security, Computer Security, Threat Modeling, Network Security, Public Key Infrastructure, Authentications, Data Integrity
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cyber Security Assessment, Security Testing, Vulnerability Assessments, Penetration Testing, Vulnerability Scanning, Threat Modeling, Vulnerability Management, Security Strategy, Security Controls, Security Requirements Analysis, White-Box Testing
Intermediate · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Vendor Management, Security Awareness, Cyber Security Strategy, Risk Management, Threat Management, Security Controls, Human Factors (Security), Asset Protection, Cyber Risk, People Management, Due Diligence
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Vulnerability Management, Vulnerability Assessments, Continuous Monitoring, Cloud Security, Threat Detection, Verification And Validation, Issue Tracking, Security Software, Data Pipelines, Data Import/Export
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Continuous Monitoring, Cybersecurity, Security Management, Network Security, Security Strategy, Risk Management Framework, Internet Of Things, Cyber Risk, Threat Management, Cyber Security Strategy, Infrastructure Security, Hardware Architecture, Security Engineering, Encryption, Communication Systems, Wireless Networks, Information Systems Security, Vulnerability Assessments, Risk Analysis, Network Infrastructure
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Security Management, Threat Management, Cybersecurity, Cyber Risk, Risk Management, Incident Response, Vulnerability Management, Security Information and Event Management (SIEM), Security Controls, Continuous Monitoring, Information Systems Security, Enterprise Security, Risk Analysis, Threat Detection, Information Assurance, Auditing, Compliance Auditing
Beginner · Course · 1 - 4 Weeks