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.

Skills you'll gain: Google Cloud Platform, Cloud Infrastructure, Terraform, Load Balancing, Infrastructure as Code (IaC), Cloud Computing, Managed Services, Solution Architecture, Virtual Machines, Network Infrastructure, Virtual Private Networks (VPN), Scalability
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Computer Graphics, Software Architecture, Development Environment, Software Design, Maintainability, Software Design Patterns, Visualization (Computer Graphics), Cross Platform Development, Computer Graphic Techniques, Integrated Development Environments, Scalability, C++ (Programming Language), System Design and Implementation, Video Game Development, Program Development, Debugging, Performance Tuning, Data Flow Diagrams (DFDs), Software Installation, System Configuration
Beginner · Specialization · 3 - 6 Months

University of Virginia
Skills you'll gain: Marketing Strategies, Digital Transformation, AI Enablement, Marketing, Marketing Analytics, Data-Driven Decision-Making, Machine Learning Algorithms, Artificial Intelligence, Digital Marketing, Business Strategy, Case Studies, Competitive Analysis, Network Analysis, Customer experience improvement, Customer Engagement
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Canva (Software), Social Media Content, Social Media Campaigns, Content Creation, Visual Design, Social Media Marketing, Generative AI, Video Production, Content Marketing, Graphic Design, Video Editing, ChatGPT, Marketing Design, AI Workflows, Prompt Engineering, Content Strategy, Animations, Storytelling, Branding, Responsible AI
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Scalability, IT Automation, Cloud Computing, Systems Administration, Servers
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Generative Model Architectures, Large Language Modeling, Generative AI, Open Source Technology, Image Analysis, Model Evaluation, Model Deployment, Data Security
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Vector Databases, Retrieval-Augmented Generation, Performance Tuning, Data Migration, Data Infrastructure, Prompt Patterns, Query Languages, Agentic systems, Data Integrity, Scalability, Performance Testing, Embeddings, Database Management, AI Workflows, Prompt Engineering, Data-Driven Decision-Making, Docker (Software), LangChain, Data Modeling, Metadata Management
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Apache Cassandra, Query Languages, Data Modeling, Operational Databases, Back-End Web Development, Distributed Computing, Full-Stack Web Development, Performance Tuning, NoSQL, Data Manipulation, Database Design, Scalability, Data Integrity, Data Management, Java
Beginner · Specialization · 1 - 3 Months

Board Infinity
Skills you'll gain: Logo Design, Typography, Canva (Software), Style Guides, Brand Strategy, Creative Design, Branding, Digital Design, Graphic and Visual Design, Scalability, Marketing Design, Color Theory, Brand Management, Presentations, Design Elements And Principles, AI Enablement, Auditing, Asset Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Analytical Skills, Statistical Methods, Exploratory Data Analysis, Business Analytics, Data Analysis, Statistical Analysis, R Programming, Visualization (Computer Graphics), Predictive Analytics, Statistical Modeling, Data Structures, Time Series Analysis and Forecasting, Regression Analysis, Decision Tree Learning
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Test Driven Development (TDD), Unit Testing, Code Review, Maintainability, Testability, Software Testing, Debugging, Software Development, Python Programming
Intermediate · Course · 1 - 4 Weeks

Beginner · Course · 1 - 3 Months