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.

Coursera
Skills you'll gain: Cybersecurity, Threat Management, Security Controls, Threat Detection, Cyber Security Policies, Security Awareness, Computer Security Awareness Training, Cyber Risk, Cyber Security Assessment, Data Security, Network Security, Enterprise Security, Information Assurance, Incident Response, Data Integrity
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: AI Security, Responsible AI, Threat Modeling, DevSecOps, Governance Risk Management and Compliance, Compliance Management, Data Ethics, Data Governance, Model Evaluation, Reinforcement Learning, Risk Management, Prompt Engineering, Governance, Regulatory Compliance, Security Testing, MLOps (Machine Learning Operations), MITRE ATT&CK Framework, Continuous Monitoring, Ethical Standards And Conduct, Vulnerability Assessments
Intermediate · Specialization · 3 - 6 Months

The Pennsylvania State University
Skills you'll gain: Infectious Diseases, Epidemiology, Public Health and Disease Prevention, Microbiology, Public Health, Pathology, Immunology, Preventative Care, Sanitation, Social Determinants Of Health, Social Sciences, Community Health, Molecular, Cellular, and Microbiology, Medical Science and Research, Biology, Drug Development, Social Network Analysis, Case Studies
Mixed · Course · 1 - 3 Months

Indian School of Business
Skills you'll gain: Financial Statements, Financial Statement Analysis, Financial Trading, Balance Sheet, Securities Trading, Income Statement, Financial Analysis, Market Liquidity, Financial Market, Market Dynamics, Market Analysis, Order Management, Risk Management
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Responsible AI, No-Code Development, AI Enablement, Regulatory Requirements, Compliance Management, Business Transformation, Business Process Automation, Business Process, Data Management, Risk Mitigation, Risk Analysis, Return On Investment, Process Design, Key Performance Indicators (KPIs), Regulation and Legal Compliance, Business Software, Digital Transformation, Change Management, Data-Driven Decision-Making, Predictive Analytics
Beginner · Specialization · 1 - 3 Months

LearnQuest
Skills you'll gain: Blockchain, Interoperability, Network Architecture, Systems Architecture, Data Architecture, Solution Architecture, Information Technology Architecture, Enterprise Architecture, Authentications, Cryptography, Identity and Access Management, Emerging Technologies, Encryption, Threat Modeling, Enterprise Security, Scalability, Security Testing, Requirements Analysis, Prototyping
Intermediate · Course · 1 - 3 Months
Skills you'll gain: SAS (Software), Network Analysis, Trend Analysis, Data Manipulation, Data Analysis, Forecasting, Data Quality, Text Mining, Data Visualization Software, Spatial Analysis, Dashboard, Analysis, Data Mapping, Analytics, Data Visualization, Time Series Analysis and Forecasting, Business Analytics, Interactive Data Visualization, Data-Driven Decision-Making, Predictive Analytics
Beginner · Professional Certificate · 3 - 6 Months

LearnQuest
Skills you'll gain: Data Modeling, Oracle SQL Developer, Relational Databases, Database Design, Databases, SQL, Oracle Databases, Database Management, Software Installation
Intermediate · Course · 1 - 4 Weeks

The University of Sydney
Skills you'll gain: Blockchain, Distributed Computing, Security Engineering, Network Security, Scalability, Cryptography, Data Integrity, Transaction Processing, Algorithms
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Rmarkdown, Knitr, Data Sharing, General Science and Research, Statistical Reporting, Data Analysis, Statistical Analysis, Data Validation, Exploratory Data Analysis, R Programming, Technical Communication, GitHub, Git (Version Control System), Software Documentation
Mixed · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Open Web Application Security Project (OWASP), Authentications, Vulnerability Assessments, Application Security, Vulnerability Management, Event Monitoring, Secure Coding, Security Controls, Hardening, Data Integrity, Security Testing, System Monitoring, Cybersecurity, Patch Management, Threat Modeling, Exploitation techniques, Authorization (Computing), Cryptography, Extensible Markup Language (XML), System Configuration
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Cybersecurity, Cyber Threat Intelligence, Cyber Attacks, Cyber Threat Hunting, Cyber Security Strategy, Information Systems Security, Threat Detection, Network Security, Security Information and Event Management (SIEM), Security Management, Threat Management, MITRE ATT&CK Framework, Security Controls, Incident Response, Vulnerability Assessments, Cloud Security, Vulnerability Management, Vulnerability, Encryption, Configuration Management
Intermediate · Course · 1 - 4 Weeks