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.

Skills you'll gain: General Data Protection Regulation (GDPR), Personally Identifiable Information, Governance Risk Management and Compliance, Information Privacy, Data Governance, Data Security, Cybersecurity, Data Management, Cyber Attacks, Data Loss Prevention, Security Controls, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Incident Response, Cyber Risk, Encryption, Risk Management Framework
★ 4.7 (73) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Security Information and Event Management (SIEM), Splunk, Threat Detection, Computer Security Incident Management, System Monitoring, Cybersecurity, Security Management, Event Monitoring, Continuous Monitoring, Incident Response, Data Storage Technologies, Data Analysis Software, Information Management, Data Management, Data Integration, Data Import/Export, Software Installation
★ 4.6 (341) · Beginner · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: NIST 800-53, Security Controls, Security Requirements Analysis, Continuous Monitoring, Cyber Security Policies, Information Assurance, Information Systems Security, Cyber Security Assessment, Personally Identifiable Information, Data Security, Multi-Factor Authentication, Computer Security Awareness Training, Document Management, System Monitoring, Identity and Access Management, Authentications, Cryptography, Encryption
★ 4.6 (55) · Mixed · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Threat Modeling, Open Web Application Security Project (OWASP), Secure Coding, Cryptography, Authentications, Exploit development, Encryption, Penetration Testing, Security Strategy, Security Testing, Data Security, Application Security, Exploitation techniques, Software Design, C and C++, Linux Administration, System Design and Implementation, Java, Programming Principles, Cybersecurity
★ 4.5 (617) · Intermediate · Specialization · 3 - 6 Months

Whizlabs
Skills you'll gain: Virtual Networking, Microsoft Azure, Network Troubleshooting, Virtual Private Networks (VPN), Network Architecture, Load Balancing, Network Administration, Virtual Machines, Security Controls, Network Security, Network Monitoring, Scalability, Hybrid Cloud Computing, Distributed Denial-Of-Service (DDoS) Attacks
★ 4.1 (22) · Intermediate · Course · 1 - 4 Weeks

IE Business School
Skills you'll gain: Marketing Communications, Integrated Marketing Communications, Advertising Campaigns, Advertising, Brand Loyalty, Campaign Planning, Brand Management, Marketing, Branding, Communication Planning, Online Advertising, Brand Strategy, Public Relations, Marketing Planning, Marketing Budgets, Digital Advertising, Social Media Marketing, Digital Marketing, Marketing Management, Communication
★ 4.8 (711) · Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Augmented and Virtual Reality (AR/VR), Augmented Reality, Virtual Reality, Disabilities, Emerging Technologies, Virtual Environment, Display Devices, Diversity Awareness, Design Strategies, Human Computer Interaction, Information Privacy, Diversity Equity and Inclusion Initiatives, Innovation, Human Factors (Security), Ethical Standards And Conduct
★ 4.7 (418) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Generative AI, Generative Model Architectures, AI Security, Data Ethics, Microsoft Azure, Artificial Intelligence, AI Integrations, Artificial Intelligence and Machine Learning (AI/ML), AI Workflows, Security Controls, Fine-tuning, Large Language Modeling, Deep Learning, Model Optimization, Model Evaluation
★ 4.4 (25) · Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Cyber Security Assessment, Security Testing, Cybersecurity, Vulnerability Scanning, Cyber Operations, Cyber Threat Intelligence, Cyber Threat Hunting, Scenario Testing, Cyber Security Strategy, Exploitation techniques, Cyber Attacks, Problem Solving, Simulations
★ 4.7 (66) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Solution Design, Project Scoping, Technical Documentation, System Implementation, Project Management, Technology Solutions, Project Implementation, Program Implementation, Project Closure, Project Coordination, Technical Consulting, Solution Delivery, Stakeholder Analysis, Requirements Analysis, Journey Mapping, Customer Engagement, Test Planning, Requirements Elicitation, Customer Analysis, Business Transformation
★ 4.6 (92) · Beginner · Course · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: Statistical Machine Learning, Data Preprocessing, Model Evaluation, PyTorch (Machine Learning Library), Statistical Methods, Probability, Probability & Statistics, Sampling (Statistics), Logistic Regression, Deep Learning, Probability Distribution, Python Programming, Statistical Modeling, Supervised Learning, Machine Learning, Agentic systems, Artificial Intelligence, Model Optimization, Algorithms, AI literacy
★ 4.5 (58) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Technical Management, Business Transformation, Organizational Effectiveness, Organizational Strategy, Leadership Development, Culture Transformation, Team Performance Management, Organizational Leadership, Process Optimization, Software Development Methodologies, Decision Making
Intermediate · Course · 1 - 4 Weeks