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.

Kennesaw State University
Skills you'll gain: Email Security, Wireless Networks, Mobile Security, Incident Response, Cybersecurity, Cyber Security Assessment, Personally Identifiable Information, Cyber Attacks, Firewall, General Networking, Threat Detection, Cyber Security Policies, Computer Security Awareness Training, Proxy Servers, Computer Security Incident Management, Network Security, Security Awareness, Threat Management, Cyber Risk, Social Media
★ 4.9 (63) · Beginner · Specialization · 3 - 6 Months

Princeton University
Skills you'll gain: Blockchain, Cryptography, Cryptographic Protocols, Encryption, Payment Systems, FinTech, Public Key Cryptography Standards (PKCS), Key Management, Application Security, Digital Assets, Network Protocols, Transaction Processing, Data Storage, Process Analysis, Distributed Computing, Emerging Technologies, Scripting, Application Specific Integrated Circuits, Financial Policy, Financial Regulation
★ 4.6 (3.1K) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Open Web Application Security Project (OWASP), SonarQube, Threat Modeling, Secure Coding, Application Security, Security Testing, DevSecOps, Code Review, Maintainability, Vulnerability Scanning, Software Quality (SQA/SQC), Risk Mitigation, Software Quality Assurance, MITRE ATT&CK Framework, Vulnerability Assessments, Cyber Security Assessment, Software Technical Review, Continuous Integration, Vulnerability Management, Cyber Attacks
Intermediate · Specialization · 1 - 3 Months

LearnQuest
Skills you'll gain: Oracle Databases, Database Design, Database Theory, Database Management Systems, Database Systems, Relational Databases, Databases, Database Architecture and Administration, Database Management, Data Storage Technologies, Data Storage, Transaction Processing, Data Modeling, Diagram Design
★ 4.6 (478) · Beginner · Course · 1 - 3 Months

New York University
Skills you'll gain: Security Engineering, Threat Modeling, Distributed Denial-Of-Service (DDoS) Attacks, Cyber Attacks, Cybersecurity, Threat Management, Cyber Risk, Cyber Security Assessment, Information Systems Security, Network Security, Computer Security, Exploitation techniques, Risk Management Framework, Cryptography, Data Integrity
★ 4.7 (2.9K) · Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Responsible AI, LLM Application, Google Gemini, AI literacy, Deep Learning, Stakeholder Analysis
★ 4.7 (14K) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Network Security, Business Continuity Planning, Business Continuity, Audit Planning, Disaster Recovery, OSI Models, Control Objectives for Information and Related Technology (COBIT), Security Management, Computer Security Incident Management, IT General Controls (ITGC), Security Controls, Firewall, Asset Protection, Systems Development, Compliance Auditing, Information Technology, Information Systems, Security Awareness, Auditing, Cryptography
Beginner · Course · 1 - 3 Months

Skills you'll gain: Threat Modeling, Threat Management, Vulnerability Management, Cyber Threat Intelligence, Security Awareness, Cybersecurity, Vulnerability Assessments, Threat Detection, MITRE ATT&CK Framework, Data Security, Cyber Security Strategy, Cyber Risk, Authorization (Computing), Malware Protection, Authentications, Security Controls, Risk Management Framework, Identity and Access Management, Data Management, Cryptography
★ 4.8 (4.1K) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Jupyter, R (Software), R Programming, GitHub, Software Development Tools, Data Visualization Software, Data Science, Statistical Programming, Cloud Hosting, Cloud Computing, Git (Version Control System), Application Programming Interface (API), Other Programming Languages, Development Environment, Query Languages, Python Programming, Machine Learning, Open Source Technology
★ 4.5 (30K) · Beginner · Course · 1 - 3 Months

Vanderbilt University
Skills you'll gain: Claude Code, Prompt Engineering, Model Context Protocol, ChatGPT, Prompt Patterns, Anthropic Claude, Token Optimization, AI Workflows, Prompt Engineering Tools, Generative AI Agents, Multimodal Prompts, Agentic Workflows, AI Orchestration, AI Enablement, Generative AI, Artificial Intelligence and Machine Learning (AI/ML), AI Security, Agentic systems, AI Product Strategy, AI Personalization
★ 4.8 (8K) · Beginner · Specialization · 3 - 6 Months

Microsoft
Skills you'll gain: Dashboard Creation, Power BI, Microsoft Excel, Data Analysis, Data Integrity, Data Visualization, Data Storage, Microsoft Power Platform, Data Collection, Data Quality, Business Intelligence, Business Analytics, Advanced Analytics, Generative AI, Data Analysis Software, Statistical Reporting, Analytical Skills, Data Integration, Model Optimization, SQL
★ 4.6 (9.2K) · Beginner · Professional Certificate · 3 - 6 Months

LearnQuest
Skills you'll gain: Data Ethics, Responsible AI, Model Training, Model Evaluation, Predictive Modeling, AI Security, OpenAI, Data Collection, Machine Learning, Predictive Analytics, Information Privacy, Artificial Intelligence, Game Theory, Large Language Modeling, Algorithms, Data Preprocessing, AI literacy, Personally Identifiable Information, Machine Learning Algorithms, Analytical Skills
★ 4.6 (954) · Beginner · Specialization · 3 - 6 Months