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.

Infosec
Skills you'll gain: Open Web Application Security Project (OWASP), Exploitation techniques, Authentications, Vulnerability Assessments, Application Security, Vulnerability Management, Event Monitoring, Security Controls, Data Integrity, Continuous Monitoring, Secure Coding, System Monitoring, Patch Management, Identity and Access Management, Multi-Factor Authentication, Authorization (Computing), Cryptography, Extensible Markup Language (XML), System Configuration, Incident Response
★ 4.5 (126) · Intermediate · Specialization · 3 - 6 Months

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 (440) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Database Design, Frontend Integration, Continuous Integration, Restful API, Database Development, Docker (Software), Model View Controller, Front-End Web Development, Relational Databases, Databases, Web Design and Development, User Story, CI/CD, Java, Java Programming, Database Application, Full-Stack Web Development, Spring Boot, Back-End Web Development, Software Design Documents
★ 4 (11) · Advanced · Course · 1 - 3 Months

Tecnológico de Monterrey
Skills you'll gain: Web Analytics, Google Analytics, Social Media Analytics, Social Media, Search Engine Marketing, Social Media Management, Social Media Marketing, Conversion Funnel Analysis, Digital Analysis, Marketing Analytics, Digital Marketing Campaigns, Market Research, Data-Driven Marketing, Search Engine Optimization, Analytical Skills, Online Advertising, Social Media Strategy, Email Marketing, Digital Marketing, Key Performance Indicators (KPIs)
★ 4.7 (313) · Intermediate · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Intrusion Detection and Prevention, Model Evaluation, Incident Response, Threat Detection, Computer Security Incident Management, Cyber Threat Intelligence, Distributed Denial-Of-Service (DDoS) Attacks, Event Monitoring, Cybersecurity, Incident Management, Cyber Security Strategy, Threat Management, Model Training, Anomaly Detection, Continuous Monitoring, Cyber Security Policies, Security Management, System Monitoring, Network Analysis, Data Analysis
★ 4.8 (9) · Intermediate · Specialization · 3 - 6 Months

Peking University
Skills you'll gain: Theoretical Computer Science, Graph Theory, Computational Logic, Logical Reasoning, Computational Thinking, Network Model, Deductive Reasoning, Geospatial Information and Technology, Mathematics and Mathematical Modeling, Computer Science, Algebra, Applied Mathematics, Algorithms
★ 4.7 (282) · Beginner · Course · 3 - 6 Months

Skills you'll gain: Data Ethics, No-Code Development, Artificial Intelligence and Machine Learning (AI/ML), Model Deployment, Data Cleansing, Data Preprocessing, Artificial Intelligence, Data Quality, AI literacy, Human Computer Interaction, Business Solutions, Machine Learning, Data Wrangling, Business Metrics, Data Storytelling, Generative AI, Business Analytics, Data Validation, Dashboard, Automation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: TikTok, Video Production, Photo/Video Production and Technology, Content Creation, Content Scheduling, Web Analytics and SEO, Photography, Content Development and Management, Social Media Campaigns, Social Media Marketing, Content Performance Analysis, Social Media Content, Driving engagement, Social Media, Search Engine Optimization, Video Editing, Videography, Brand Marketing, Social Media Analytics, Visual Storytelling
★ 3.9 (52) · Beginner · Professional Certificate · 3 - 6 Months
DeepLearning.AI
Skills you'll gain: Fine-tuning, Model Training, Model Evaluation, Climate Change Adaptation, Applied Machine Learning, Image Analysis, Environmental Monitoring, Convolutional Neural Networks, Artificial Intelligence, Climate Change Mitigation, Artificial Neural Networks, Environmental Issue, Machine Learning Methods, Data Processing, Forecasting, Computer Vision, Predictive Modeling, Supervised Learning
★ 4.8 (144) · Beginner · Course · 1 - 4 Weeks

University of California, Santa Cruz
Skills you'll gain: Responsible AI, Data Ethics, AI literacy, Artificial Intelligence, Artificial Neural Networks, Ethical Standards And Conduct, Machine Learning Methods, Network Model, Deep Learning, Machine Learning, Generative Model Architectures, Empathy & Emotional Intelligence, Law, Regulation, and Compliance, Policy Development
★ 4.6 (497) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Control Systems, Programmable Logic Controllers, Animations, Human Machine Interfaces, UI Components, Real-Time Operating Systems, Visualization (Computer Graphics), Control Panels, Interactive Design, User Interface (UI), Code Reusability, Program Development, Simulations, Interactive Data Visualization, Automation Engineering, Machine Controls, Computer Hardware, Electrical Wiring, Computational Logic, Network Troubleshooting
★ 4.7 (42) · Intermediate · Specialization · 3 - 6 Months

ISC2
Skills you'll gain: Authentications, Authorization (Computing), Role-Based Access Control (RBAC), Identity and Access Management, Data Security, Security Controls, User Provisioning, Network Security, Data Access, Single Sign-On (SSO), Multi-Factor Authentication, Computer Security
★ 4.6 (39) · Beginner · Course · 1 - 4 Weeks