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.

Macquarie University
Skills you'll gain: Responsible AI, Incident Response, AI Security, Computer Security Incident Management, Incident Management, Fraud detection, Threat Detection, Security Management, Anomaly Detection, Security Testing, Cyber Attacks, Threat Modeling, Data Ethics, Cybersecurity, Cyber Operations, Network Security, Malware Protection, Crisis Management, Machine Learning, Generative Adversarial Networks (GANs)
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Cloud Deployment, Software Development Life Cycle, Istio, Server Side, Software Architecture, Node.JS, Application Deployment, Restful API, Database Design, CI/CD, Kubernetes, Cloud-Native Computing, Responsive Web Design, NoSQL, Git (Version Control System), Front-End Web Development, Ajax, Javascript, Azure DevOps, Software Development
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Data Storytelling, Data Wrangling, Exploratory Data Analysis, Database Design, Ggplot2, Data Presentation, Data Visualization Software, Data Visualization, Relational Databases, Statistical Visualization, Data Collection, Interactive Data Visualization, Predictive Modeling, Statistical Analysis, Microsoft Excel, Analytical Skills, R (Software), Excel Formulas, Data Cleansing, Data Manipulation
Build toward a degree
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Threat Detection, Penetration Testing, Exploit development, Cyber Threat Intelligence, Threat Management, Linux Administration, Incident Response, Vulnerability Scanning, Vulnerability Assessments, Cybersecurity, Vulnerability Management, Network Monitoring, Bash (Scripting Language), Cyber Security Assessment, Network Security, Anomaly Detection, Incident Management, AI Security, Information Systems Security, Network Analysis
Intermediate · Professional Certificate · 3 - 6 Months

Cisco Learning and Certifications
Skills you'll gain: Windows PowerShell, MITRE ATT&CK Framework, Incident Response, Cyber Threat Intelligence, Cyber Threat Hunting, Key Management, Linux, Endpoint Security, Data Security, Threat Modeling, Computer Security Incident Management, Threat Detection, Network Security, Cryptography, Operating System Administration, Linux Administration, Cybersecurity, Vulnerability Assessments, Cyber Operations, Security Information and Event Management (SIEM)
Beginner · Specialization · 3 - 6 Months

John Wiley & Sons
Skills you'll gain: SQL, Relational Databases, Database Design, Database Application, Data Integrity, Stored Procedure, Database Architecture and Administration, Database Development, Database Management, Query Languages, Data Store, Performance Tuning, Graph Theory, Data Modeling, Extensible Markup Language (XML), Extensible Languages and XML, Data Access, Application Design, Performance Management, Network Troubleshooting
Advanced · Course · 1 - 3 Months

Coursera
Skills you'll gain: Webhook Security, AI Integrations, Application Programming Interface (API), Restful API, Generative AI Agents, Prompt Engineering, Node.JS, Natural Language Processing, Model Evaluation, Scenario Testing, Debugging, Performance Tuning, Model Optimization, Real Time Data, Quality Assurance, Routing Protocols, Data Import/Export, Classification Algorithms
Intermediate · Course · 1 - 4 Weeks

John Wiley & Sons
Skills you'll gain: Facebook, digital literacy, Fundraising, Fundraising and Crowdsourcing, Social Media, Social Media Content, Social Media Marketing, Social Media Management, Social Media Strategy, Shared Media, Safety and Security, Communication, Security Awareness, Personally Identifiable Information, Event Management, Group Policy, Relationship Building, Content Scheduling, Web Presence, Information Privacy
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Data Transformation, Data Manipulation, SAS (Software), Data Preprocessing, Debugging, SQL Server Reporting Services, Data Pipelines, Data Analysis, Data Validation, Analytics, Data Governance, Verification And Validation, Business Logic, Query Languages, Code Reusability
Intermediate · Course · 1 - 4 Weeks

John Wiley & Sons
Skills you'll gain: Asset Protection, Loss Prevention, Fraud detection, Deposit Accounts, Investments, Estate Planning, Portfolio Risk, Financial Planning, Wealth Management, Safety and Security, Risk Management, Risk Appetite, Asset Management, Risk Analysis, Risk Mitigation, Contingency Planning, Tax Planning, Account Strategy, Banking
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Backlogs, Agile Methodology, User Story, Sprint Retrospectives, Sprint Planning, Agile Project Management, Agile Product Development, Product Requirements, Product Management, Meeting Facilitation, Estimation, Cross-Functional Collaboration
Beginner · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Matplotlib, Network Analysis, Social Network Analysis, Feature Engineering, Data Visualization, Pandas (Python Package), Plot (Graphics), Data Visualization Software, Interactive Data Visualization, Model Evaluation, Applied Machine Learning, Supervised Learning, Text Mining, Statistical Visualization, Network Model, Data Manipulation, NumPy, Data Preprocessing, Natural Language Processing, Python Programming
Intermediate · Specialization · 3 - 6 Months