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.

Google Cloud
Skills you'll gain: Google Docs, Gmail, Google Sheets, Google Workspace, Calendar Management, Presentations, Setting Appointments, Spreadsheet Software, Excel Formulas, Collaborative Software, Data Visualization, Sales Presentation, Excel Macros, Email Security, Meeting Facilitation, Scheduling, Version Control, Productivity Software, Data Entry, Data Sharing
Beginner · Specialization · 3 - 6 Months

EDUCBA
Skills you'll gain: Microservices, Spring Framework, Spring Boot, YAML, MongoDB, Application Deployment, NoSQL, Ajax, Software Architecture, Java Programming, Frontend Integration, Java, Development Environment, Scalability, Load Balancing, Data Integration, Configuration Management, File I/O, File Management
Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Productivity, Brand Strategy, Market Research, Professional Networking, Time Management, Branding, Target Audience, Business Modeling, Target Market, Social Media, Prioritization, Driving engagement, Photo/Video Production and Technology, Promotional Materials, Business Strategy, Marketing Materials, Business Planning, Drive Engagement, Video Production, Marketing
Intermediate · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Social Media Analytics, Social Network Analysis, Machine Learning, Machine Learning Methods, Applied Machine Learning, Large Language Modeling, Natural Language Processing, Text Mining, Network Analysis, Analytics, Data Preprocessing, Unstructured Data, Classification Algorithms, Model Evaluation, Artificial Intelligence and Machine Learning (AI/ML), Unsupervised Learning, Data Processing
Intermediate · Course · 1 - 3 Months

Pragmatic AI Labs
Skills you'll gain: Data Pipelines, Extract, Transform, Load, Data Lakes, Databricks, Data Architecture, Data Processing, Data Wrangling, Data Strategy, Data Presentation, Data Mining, Data Management, Data Governance, Data Integrity, Data Science, Live Streaming, SQL, Data Storage, Data Ethics, Data Security, Apache
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Teams, Microsoft 365, Team Management, Group Policy, Azure Active Directory, User Accounts, User Provisioning, System Configuration, Identity and Access Management, Role-Based Access Control (RBAC), Product Lifecycle Management, Windows PowerShell, Network Planning And Design, Network Performance Management, Security Controls
Intermediate · Course · 1 - 4 Weeks

Fractal Analytics
Skills you'll gain: Generative AI, Generative AI Agents, Retrieval-Augmented Generation, Enterprise Architecture, Metadata Management, Data Science, Machine Learning
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Kaizen Methodology, Sprint Planning, Quality Improvement, Process Improvement, DevOps, User Story, Initiative and Leadership, Scalability, Innovation, Organizational Development, Continuous Deployment, Performance Metric, CI/CD, Continuous Integration, Strategic Planning, Capacity Planning, Coordinating, Meeting Facilitation, Dependency Analysis, Goal Setting
Beginner · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Project Controls, Project Performance, Issue Tracking, Project Management Software, Stakeholder Engagement, Stakeholder Management, Real Time Data, Stakeholder Communications, Collaborative Software
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Unsupervised Learning, Unstructured Data, Marketing Analytics, Text Mining, Deep Learning, Model Evaluation, Machine Learning, JSON, Natural Language Processing, Machine Learning Algorithms, Data Preprocessing, Model Training, Python Programming
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Canva (Software), Logo Design, Video Production, Graphic and Visual Design Software, Graphics Software, Graphic and Visual Design, Graphic Design, Video Editing, Content Creation, Social Media Marketing, Marketing Communications
Beginner · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Ansible, IT Automation, YAML, Enterprise Architecture, DevSecOps, Scalability, CI/CD, Automation, Debugging, Scripting, Continuous Integration, Devops Tools, Configuration Management, Hardening, Enterprise Security, Development Environment, Verification And Validation, Infrastructure as Code (IaC), Cloud-Based Integration, Patch Management
Beginner · Specialization · 1 - 3 Months