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 at Buffalo
Skills you'll gain: Blockchain, Test Driven Development (TDD), Cryptography, Application Development, Transaction Processing, Emerging Technologies, Application Design, Integrated Development Environments, Software Architecture, Network Protocols, Encryption, Web Applications, Program Development, Distributed Computing, Microsoft Azure, FinTech, Secure Coding, Cloud Computing Architecture, Development Environment, Web Development Tools
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: CI/CD, Real Time Data
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Threat Modeling, Security Controls, Incident Response, Computer Security Incident Management, Intrusion Detection and Prevention, Vulnerability Management, Cybersecurity, Hardening, Network Security, Stakeholder Communications, Vulnerability Assessments, Relational Databases, Security Information and Event Management (SIEM), TCP/IP, Data Security, Cloud Security, Network Architecture, Linux, Debugging, Information Systems Security Assessment Framework (ISSAF)
Beginner · Professional Certificate · 3 - 6 Months

Duke University
Skills you'll gain: Deep Learning, Unsupervised Learning, Classification And Regression Tree (CART), Machine Learning, Regression Analysis, Artificial Intelligence and Machine Learning (AI/ML), Artificial Neural Networks, Decision Tree Learning, Computer Vision, Supervised Learning, Natural Language Processing, Random Forest Algorithm, Data Science, Predictive Analytics, Algorithms, Performance Metric
Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Infrastructure Security, Cyber Risk, Cyber Security Policies, Cyber Security Assessment, Cybersecurity, Cyber Security Strategy, Risk Management Framework, Technology Roadmaps, Network Infrastructure, Transportation Operations, Infrastructure Architecture, Mobile Security
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Lightweight Directory Access Protocols, Splunk, System Monitoring, Role-Based Access Control (RBAC), Authentications, Data Storage, Data Management, Data Infrastructure, Authorization (Computing), Enterprise Security, Disaster Recovery, Identity and Access Management, Data Integrity, User Accounts, Dataflow, Data Security, System Configuration, Configuration Management
Mixed · Course · 1 - 3 Months

Skills you'll gain: Azure Active Directory, Authentications, Identity and Access Management, Authorization (Computing), Active Directory, Role-Based Access Control (RBAC), Multi-Factor Authentication, Microsoft Azure, Single Sign-On (SSO), Software As A Service, User Accounts, Cloud Services, Enterprise Security
Beginner · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Incident Response, Threat Modeling, Vulnerability Scanning, Vulnerability Management, Vulnerability Assessments, Threat Detection, Risk Management, Cybersecurity, Computer Security Incident Management, Secure Coding, Cyber Security Assessment, Incident Management, Security Testing, Cyber Governance, Intrusion Detection and Prevention, Risk Management Framework, Cyber Threat Intelligence, Network Infrastructure, Network Security, Security Information and Event Management (SIEM)
Intermediate · Specialization · 1 - 4 Weeks

Skills you'll gain: Linux Commands, Metasploit, Open Web Application Security Project (OWASP), Linux, Penetration Testing, Vulnerability Scanning, Command-Line Interface, Exploitation techniques, Scripting, Vulnerability Assessments, General Networking, Scripting Languages, Cyber Security Assessment, Python Programming, Web Applications, Cybersecurity, Data Ethics, Firewall, Network Security, Computer Networking
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: People Analytics, Workday (Software), Registration, Business Process, Workflow Management, Business Reporting, Data Entry, Organizational Structure, Business Analytics, No-Code Development, Enterprise Resource Planning, Data Management, Data Security
Beginner · Course · 1 - 4 Weeks

AI CERTs
Skills you'll gain: Blockchain, Payment Systems, Application Security, FinTech, Digital Assets, Cryptography, Financial Systems, Transaction Processing, Financial Regulation, Market Trend, Regulatory Compliance
Beginner · Course · 1 - 3 Months
University of California, Davis
Skills you'll gain: Keyword Research, Search Engine Optimization, Persona Development, Search Engine Marketing, Content Creation, Social Media Strategy, Web Analytics and SEO, Social Media, Content Strategy, Social Media Marketing, Competitive Analysis, Target Audience, Data Analysis, Digital Media Strategy, Analytics, Google Analytics, Forecasting, Content Development and Management, Content Performance Analysis, Content Marketing
Beginner · Specialization · 3 - 6 Months