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.

Splunk Inc.
Skills you'll gain: Splunk, Correlation Analysis, Performance Tuning, Model Optimization, Data Manipulation, Analysis, Data Analysis, Data Modeling, Big Data, Transaction Processing, Data Integration, Data Science, Business Analytics, Data Visualization
★ 4.6 (52) · Beginner · Course · 1 - 4 Weeks

AI CERTs
Beginner · Course · 1 - 3 Months

Skills you'll gain: Agile Product Development, Agile Methodology, Security Management, Cyber Security Assessment, Audit Planning, Cyber Risk, Performance Metric, Business Ethics, Law, Regulation, and Compliance, Risk Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: File Systems, Mac OS, User Accounts, File Management, User Provisioning, Data Security, Operating System Administration, Software Installation, Unix, System Configuration, Unix Commands, Security Controls, Knowledge of Apple Hardware, Authorization (Computing), Data Management, Disaster Recovery, Data Storage, Control Panels, Encryption
★ 4.9 (10) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Lakes, Data Governance, Transaction Processing, Microsoft Azure, Security Controls, Data Architecture, Power BI, Data Warehousing, Dataflow, Data Management, Identity and Access Management, Azure Active Directory, Data Pipelines, Role-Based Access Control (RBAC), Data Integration, Query Languages, Data Integrity, Real Time Data, Data Quality, Data Transformation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: R Programming, Predictive Analytics, Applied Machine Learning, Predictive Modeling, Data Pipelines, R (Software), Data-Driven Decision-Making, Analytics, Data Science, Data Processing, Machine Learning Software, Feature Engineering, Data Preprocessing, Statistical Machine Learning, Machine Learning Methods, Machine Learning, Model Training, Telemarketing, Model Deployment, Model Optimization
★ 4.9 (53) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Supervised Learning, Computer Vision, Recurrent Neural Networks (RNNs), Machine Learning Methods, Convolutional Neural Networks, Plot (Graphics), Matplotlib, Data Visualization, Probability & Statistics, Deep Learning, AI Personalization, Classification Algorithms, Artificial Intelligence, Plotly, Statistical Analysis, Statistical Methods, Machine Learning, Applied Machine Learning, Digital Signal Processing, Statistical Inference
★ 3.8 (8) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Social Media Marketing, Social Media, Social Media Strategy, Instagram, Social Media Analytics, Facebook, Brand Awareness, Marketing Effectiveness, Marketing, Driving engagement, Marketing Analytics, Branding, Business
★ 4.7 (46) · Beginner · Guided Project · Less Than 2 Hours

Splunk Inc.
Skills you'll gain: Splunk, Dashboard Creation, Dashboard, Incident Management, Information Management, Computer Security Incident Management, Event Monitoring, Query Languages, Business Intelligence, Data Management, Data Analysis, Big Data, Business Analytics
★ 4.8 (27) · Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: DevOps, DevSecOps, Process Optimization, Devops Tools, CI/CD, GitHub, Continuous Deployment, Continuous Integration, Software Development Tools, Continuous Delivery, Version Control, Git (Version Control System), Process Improvement, Process Improvement and Optimization, Web Development Tools, Software Development, IT Automation, Organizational Development, Business Transformation, Cross-Functional Collaboration
★ 3.9 (22) · Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: NoSQL, Data Warehousing, Database Management Systems, Database Systems, Database Architecture and Administration, Database Administration, Database Management, Databases, Database Software, Data Store, Relational Databases, Big Data, Data Architecture, Transaction Processing, Scalability
★ 4.6 (88) · Beginner · Course · 1 - 4 Weeks

Total Seminars
Skills you'll gain: Computer Hardware, Programming Principles, Data Storage, Network Troubleshooting, Data Storage Technologies, Security Awareness, System Configuration, Data Management, Computer Security Awareness Training, Information Technology, Hardware Architecture, Operating Systems, Networking Hardware, Computer Systems, General Networking, Computer Literacy, Information Technology Operations, Computer Science, Business Support Systems, Business Operations
Beginner · Course · 3 - 6 Months