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.

University of Colorado Boulder
Skills you'll gain: Data Mining, Anomaly Detection, Unsupervised Learning, Machine Learning Methods, Supervised Learning, Classification Algorithms, Decision Tree Learning, Data Science, Machine Learning Algorithms, Data Analysis, Machine Learning, Correlation Analysis, Bayesian Network, Algorithms, Artificial Neural Networks, Model Evaluation
★ 4.3 (72) · Intermediate · Course · 1 - 4 Weeks

Association of International Certified Professional Accountants
Skills you'll gain: Blockchain, Key Management, Digital Assets, Asset Protection, Supply Chain, Data Security, Supply Chain Management, FinTech, Cryptography, Security Management, Cybersecurity, Public Key Infrastructure, Accounting, Security Awareness, Payment Systems, Emerging Technologies, Ledgers (Accounting), Security Controls, Risk Management, Business
★ 4.6 (218) · Beginner · Specialization · 1 - 3 Months

Tecnológico de Monterrey
Skills you'll gain: Social Media Strategy, Social Media, Social Media Marketing, Social Media Campaigns, Social Media Management, Content Marketing, Plan Execution, Communication Planning, Performance Measurement, Marketing Strategies, Integrated Marketing Communications, Content Strategy, Strategic Communication, Campaign Management, Campaign Planning, Marketing, Communication Strategies, Customer Engagement
★ 4.5 (539) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Azure Active Directory, Single Sign-On (SSO), Identity and Access Management, Authentications, Authorization (Computing), Active Directory, Multi-Factor Authentication, Microsoft Azure, User Provisioning, Role-Based Access Control (RBAC), Enterprise Security
★ 4.8 (10) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Health Care Procedure and Regulation, Security Controls
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Large Language Modeling, Data Preprocessing, Convolutional Neural Networks, Plot (Graphics), Generative AI, Prompt Engineering Tools, Deep Learning, Unsupervised Learning, Model Evaluation, Natural Language Processing, Responsible AI, Time Series Analysis and Forecasting, LLM Application, Generative Model Architectures, Transfer Learning, Supervised Learning, Data Ethics, Image Analysis, Recurrent Neural Networks (RNNs)
★ 4.5 (55) · Intermediate · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: Cloud Computing, Cloud Platforms, Cloud Computing Architecture, Process Optimization, Process Improvement and Optimization, Cloud Deployment, Cloud Services, Process Improvement, Manufacturing Operations, Manufacturing and Production, Internet Of Things, Innovation, Manufacturing Processes, Robotics, Cybersecurity, Automation, Augmented and Virtual Reality (AR/VR), Industrial Engineering, Workforce Development, Change Management
★ 4.5 (30) · Beginner · Specialization · 3 - 6 Months

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

Amazon Web Services
Skills you'll gain: Cloud Computing Architecture, Amazon Web Services, Cloud Security, Operational Excellence, Cloud Standards, Sustainable Business, Reliability, Solution Architecture, Cloud-Native Computing, Corporate Sustainability, Process Optimization, Cost Containment, Operational Efficiency, Environmental Social And Corporate Governance (ESG), Security Strategy, Site Reliability Engineering, Cost Management, Interviewing Skills
★ 4.6 (54) · Beginner · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Spring Framework, Spring Boot, Application Development, Redis, Java Programming, Frontend Integration, Object-Relational Mapping, Web Development, Database Development, Integrated Development Environments, Authentications, Application Security, Build Tools, Performance Tuning, Unit Testing, Authorization (Computing), Command-Line Interface, Data Access, Event Monitoring, Software Configuration Management
★ 4.5 (44) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Node.JS, Restful API, Database Design, Database Development, Database Application, NoSQL, MongoDB, Back-End Web Development, Performance Tuning, API Design, Cloud Applications, Relational Databases, Authentications, Server Side, Application Programming Interface (API), Cloud Development, Cloud Deployment, Middleware, Scalability, Javascript
★ 4.5 (52) · Intermediate · Course · 1 - 3 Months

AI CERTs
Skills you'll gain: Responsible AI, Data Ethics, PyTorch (Machine Learning Library), Model Training, Telecommunications, Tensorflow, Internet Of Things, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Emerging Technologies, Generative AI, Wireless Networks, Network Performance Management, Digital Communications, Generative AI Agents, Network Architecture, Network Protocols, Computer Networking, System Design and Implementation, Communication
★ 4.4 (14) · Advanced · Specialization · 1 - 3 Months