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.

Knowledge Accelerators
Skills you'll gain: Cyber Security Policies, AI Security, Threat Management, Cybersecurity, Cyber Attacks, Cyber Risk, Email Security, Endpoint Security, Mobile Security, Remote Access Systems, Multi-Factor Authentication, Artificial Intelligence, Cloud Computing
★ 4.9 (56) · Beginner · Course · Less Than 2 Hours

LearnQuest
Skills you'll gain: Responsible AI, AI Security, Information Privacy, Personally Identifiable Information, Model Evaluation, AI literacy, Technical Communication, Quality Assurance, Generative AI Agents, Quality Assessment, Scalability, Acceptance Testing, Maintainability, Compliance Management, Application Lifecycle Management, Data Governance, Performance Measurement, Business Metrics, Risk Control, Risk Mitigation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Accounting Software, Standard Accounting Practices, Financial Auditing, Data-Driven Decision-Making, Reconciliation, AI Integrations, Business Workflow Analysis, Operational Analysis, Artificial Intelligence, Transaction Processing, Process Analysis
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Model Based Systems Engineering, Failure Analysis, Systems Engineering, Requirements Management, Scope Management, Design Reviews, Engineering Management, Change Control, Program Management, Engineering Change Order, Cost Management, Requirements Analysis, Contract Management, Root Cause Analysis, Test Engineering, Risk Mitigation, Systems Design, Systems Thinking, Organizational Leadership, Risk Management
★ 4.8 (175) · Beginner · Specialization · 3 - 6 Months

Cisco Learning and Certifications
Skills you'll gain: Cyber Threat Intelligence, Cyber Threat Hunting, Threat Detection, Vulnerability Assessments, Threat Management, Event Monitoring, Intrusion Detection and Prevention, Security Information and Event Management (SIEM), Computer Security Incident Management, Continuous Monitoring, Security Management, Malware Protection, Network Security, Network Analysis, Network Monitoring
★ 4.8 (41) · Mixed · Course · 1 - 4 Weeks

John Wiley & Sons
Skills you'll gain: Prompt Engineering, Prompt Patterns, Generative AI, AI Personalization, Generative Model Architectures, ChatGPT, Data Ethics, GitHub Copilot, Vibe coding, Artificial Intelligence, Microsoft Copilot, AI powered creativity, AI Enablement, Responsible AI, AI literacy, Artificial Intelligence and Machine Learning (AI/ML), Customer experience improvement, Machine Learning, Content Creation, Natural Language Processing
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Penetration Testing, Vulnerability Scanning, Cyber Security Assessment, Vulnerability Assessments, MITRE ATT&CK Framework, Security Testing, Payment Card Industry (PCI) Data Security Standards, NIST 800-53, Network Analysis, General Data Protection Regulation (GDPR), Cloud Computing
★ 4.8 (9) · Intermediate · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Enterprise Architecture, Stakeholder Management, Business Architecture, Stakeholder Engagement, Risk Management, Information Technology Architecture, Stakeholder Analysis, Enterprise Modeling, Stakeholder Communications, Data Architecture, Governance, Infrastructure Architecture, Gap Analysis, Business Transformation, Change Management, Information Systems
★ 4.5 (447) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Workflow Management, Collaboration, Stakeholder Engagement, Collaborative Software, Management Reporting, Team Collaboration, Business Workflow Analysis, Project Coordination, Teamwork, Communication Strategies, Project Management Software, User Feedback, Coordinating, AI Workflows, Stakeholder Communications, Security Controls, Decision Intelligence, Project Management, Issue Tracking, Role-Based Access Control (RBAC)
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Embedded Software, Performance Tuning, System Programming, Software Development Tools, Embedded Systems, Memory Management, Microarchitecture, Software Development, Hardware Architecture, Debugging, Secure Coding, Build Tools, Application Security, Computer Architecture, System Configuration, Programming Principles, C (Programming Language), Digital Signal Processing, Application Development, C++ (Programming Language)
★ 4.7 (210) · Intermediate · Specialization · 3 - 6 Months

AI CERTs
Skills you'll gain: AI Personalization, Personalized Service, Operations Support Systems, Customer Analysis, Telecommunications, Customer Retention, Network Performance Management, Responsible AI, Wireless Networks, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Network Architecture, Computer Networking, Emerging Technologies, Digital Communications, Generative AI Agents, Generative AI, Network Protocols, System Design and Implementation, Communication
★ 4.5 (21) · Advanced · Specialization · 1 - 3 Months

The Hong Kong University of Science and Technology
Skills you'll gain: International Relations, International Finance, World History, Diplomacy, Political Sciences, Economics, Economic Development, Strategic Partnership, Policy Analysis, Security Strategy, Governance, Science and Research
★ 4.7 (139) · Beginner · Course · 1 - 3 Months