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 Illinois Urbana-Champaign
Skills you'll gain: Blockchain, Cryptography, FinTech, Governance, Emerging Technologies, Payment Systems, Transaction Processing, Distributed Computing, Digital Assets, Cyber Governance, Regulation and Legal Compliance, Ledgers (Accounting), Data Security, Interoperability, Case Studies, Scalability
Build toward a degree
Beginner · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Process Driven Development, Software Quality Assurance, Process Management, Software Development, Embedded Software, Verification And Validation, Software Development Life Cycle, Systems Development Life Cycle, Configuration Management, Requirements Analysis, Risk Management Framework, Change Requests, Quality Control, Continuous Monitoring
Beginner · Course · 1 - 4 Weeks

ISC2
Skills you'll gain: Cloud Security, Zero Trust Network Access, Hybrid Cloud Computing, Cloud Computing, Cloud Services, Cloud Computing Architecture, Cloud Solutions, Risk Mitigation, Cloud Platforms, Security Controls, Security Strategy, Multi-Cloud, Legal Risk, Regulation and Legal Compliance, Auditing, Service Level Agreement
Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: JUnit, File I/O, Java Programming, Object Oriented Programming (OOP), Java, Unit Testing, Program Development, Maintainability, Software Development, Secure Coding, Software Testing, Programming Principles, Computer Programming, Test Case, Application Development, Authentications, Application Security, Application Design, Software Design Patterns, Debugging
Beginner · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: AI Enablement, Model Evaluation, Performance Metric, Artificial Intelligence and Machine Learning (AI/ML), Strategic Leadership, Responsible AI, Machine Learning Algorithms, Data Quality, Model Deployment, Machine Learning, Algorithms, Classification Algorithms, Artificial Neural Networks, Decision Tree Learning, Random Forest Algorithm, Resource Utilization, System Requirements, Data Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Google Cloud Platform, Cloud Development, Kubernetes, Cloud Infrastructure, Cloud Applications, Identity and Access Management, Infrastructure As A Service (IaaS), Prompt Engineering, Containerization, Cloud Deployment, Generative AI, Cloud Storage, Cloud Services, Network Infrastructure, Cloud Computing, Data Storage Technologies, Virtual Machines, Platform As A Service (PaaS), Serverless Computing, Virtual Networking
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Software Testing, Software Technical Review, Test Planning, Code Review, Software Quality Assurance, Verification And Validation, Requirements Analysis, Technical Communication
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Metasploit, Penetration Testing, Malware Protection, Exploitation techniques, Database Management, Cyber Threat Intelligence, Vulnerability Assessments, Cyber Security Assessment, Brute-force attacks, Cryptography, Cybersecurity, Vulnerability Scanning, Intrusion Detection and Prevention, Data Import/Export, MySQL, Encryption, Mobile Security, Linux, Linux Administration
Beginner · Specialization · 3 - 6 Months

Infosec
Skills you'll gain: Linux Administration, Version Control, Linux, Git (Version Control System), Linux Commands, Network Troubleshooting, Operating System Administration, Bash (Scripting Language), Systems Administration, Scripting, Shell Script, User Accounts, System Configuration, Unix Shell, Network Administration, Network Performance Management, Hardware Troubleshooting, File Management, Unix Commands, General Networking
Intermediate · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Azure Active Directory, Microsoft Azure, Web Applications, Cloud Applications, Application Security, Cloud Security, Identity and Access Management, Authorization (Computing), Key Management, Application Programming Interface (API), Authentications, Encryption
Intermediate · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Cybersecurity, Cyber Security Policies, Cyber Risk, Risk Management, Cyber Attacks, Risk Mitigation, Business Risk Management, Cyber Security Strategy, Stakeholder Communications, Operational Risk, Enterprise Risk Management (ERM), Security Management, Risk Analysis, Cyber Security Assessment, Threat Modeling, Risk Modeling, Governance, Vulnerability Assessments, Information Privacy, Estimation
Beginner · Course · 1 - 3 Months
University of Washington
Skills you'll gain: Unsupervised Learning, Supervised Learning, Statistical Machine Learning, Predictive Analytics, Advanced Analytics, Data Analysis, R Programming, Statistical Methods, Statistical Inference, Statistical Analysis, Machine Learning Algorithms, Machine Learning, Graph Theory, Classification Algorithms, Probability & Statistics, Big Data
Mixed · Course · 1 - 4 Weeks