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: Productivity, Professional Networking, Time Management, Prioritization, Goal Setting, Personal Development, Self-Awareness, Music, Professional Development, Relationship Building, Planning, Adaptability, Collaboration
Intermediate · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Selling Techniques, Sales Strategy, Social Media Marketing, Search Engine Optimization, Product Promotion, Advertising Campaigns, Advertising, Digital Advertising, Product Strategy, Keyword Research, Product Marketing, Copywriting, Competitive Analysis, Customer Engagement
Mixed · Course · 1 - 3 Months

Skills you'll gain: Pinterest, Marketing, Social Media Marketing, Business Marketing, Online Advertising, Small Business Accounting, User Accounts, Driving engagement
Beginner · Guided Project · Less Than 2 Hours

Logical Operations
Skills you'll gain: Microsoft Office, Microsoft 365, Microsoft Outlook, Collaborative Software, Document Management, File Management, Content Management, Version Control, Data Sharing, Microsoft Excel, Computer Literacy, Journals, Data Integration, Data Import/Export, Computer Security
Mixed · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Health Equity, Team Management, Record Keeping, Collaborative Software, Technical Management, Clinical Informatics, Informatics, Healthcare Project Management, Health Informatics, Clinical Research, Diversity Awareness, Diversity Equity and Inclusion Initiatives, Clinical Trials, GitHub, Git (Version Control System), Docker (Software)
Beginner · Course · 1 - 3 Months

Cisco Learning and Certifications
Skills you'll gain: Cloud Deployment, Identity and Access Management, Active Directory, Network Troubleshooting
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Oracle Databases, Operational Databases, Database Administration, Database Management, Database Architecture and Administration, Relational Databases, Data Storage Technologies, Performance Tuning, Database Management Systems, User Accounts, Disaster Recovery, Data Management, Data Storage, Role-Based Access Control (RBAC), Identity and Access Management, Authentications
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Exploratory Data Analysis, Model Deployment, Keras (Neural Network Library), Transfer Learning, Data Analysis, Data Preprocessing, Image Analysis, Deep Learning, Classification Algorithms, Applied Machine Learning, Computer Vision, Model Evaluation, Machine Learning, Performance Tuning
Intermediate · Course · 3 - 6 Months
Coursera
Skills you'll gain: API Testing, Test Script Development, Scenario Testing, Software Testing, Integration Testing, Test Case, Test Automation, Acceptance Testing, Test Tools, Regression Testing, Test Execution Engine, Maintainability, User Interface (UI), Security Testing, Test Data, Scalability, Debugging, Authentications, Compliance Reporting, Automation
Intermediate · Course · 1 - 4 Weeks

Institut Mines-Télécom
Skills you'll gain: digital literacy, Emerging Technologies, Digital Communications, Digital Transformation, Communication, Safety and Security, Technology Strategies, Digital Content, Innovation, Law, Regulation, and Compliance, Empathy & Emotional Intelligence, Cybersecurity, Strategic Leadership
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Tensorflow, Model Deployment, Keras (Neural Network Library), Feature Engineering, Google Cloud Platform, Data Pipelines, Jupyter, Machine Learning Methods, Deep Learning, Data Preprocessing, Embeddings
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Intrusion Detection and Prevention, Firewall, Network Security, Threat Detection, Infrastructure Security, Virtual Networking, Cloud Security, Cyber Security Policies, Performance Tuning
Intermediate · Course · 1 - 3 Months