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: Scalability, Node.JS, Distributed Computing, Load Balancing, Performance Tuning, Systems Architecture, Redis, Application Performance Management, Microservices, OS Process Management
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Email Marketing, Email Automation, Marketing Automation, Content Performance Analysis, Campaign Management, A/B Testing, Data-Driven Decision-Making, Case Studies, Consumer Behaviour, Performance Analysis, Email Security, Marketing Analytics, Performance Metric, Key Performance Indicators (KPIs), E-Commerce, Automation, Product Improvement, Disaster Recovery, Recruitment, Security Awareness
Intermediate · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Microsoft PowerPoint, Presentations, Microsoft Office, Animations, Spreadsheet Software, Multimedia, Data Visualization, Productivity Software, Developing Training Materials, Oral Expression, Security Controls, Graphic and Visual Design, User Interface (UI), Graphics Software
Mixed · Course · 1 - 3 Months

Skills you'll gain: Business Process Automation, Data Presentation, Java, Productivity Software, C# (Programming Language), Data Capture, File I/O, Programming Principles, Scalability, Debugging
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Apple iOS, Unit Testing, Responsive Web Design, Swift Programming, Apple Xcode, Mobile Development, UI Components, User Interface (UI), Software Testing, User Interface (UI) Design
Intermediate · Course · 1 - 3 Months
Skills you'll gain: Java, Performance Tuning, Engineering Software, Data Structures, Software Engineering, Application Performance Management, Tree Maps, Scalability, Program Development, Maintainability, Algorithms, Benchmarking, Theoretical Computer Science
Advanced · Course · 1 - 4 Weeks

University of Pittsburgh
Skills you'll gain: Cloud Computing, Cloud Services, Cloud Computing Architecture, Cloud Infrastructure, Virtualization, Cloud Platforms, Virtual Machines, Data Infrastructure, Scalability, NoSQL, Cloud Storage, Database Design, Database Management, Data Warehousing, MongoDB, MySQL, SQL, Application Programming Interface (API), Python Programming, Git (Version Control System)
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Dashboard, Splunk, Role-Based Access Control (RBAC), Data Transformation, Data Analysis, Statistical Visualization, Infrastructure Architecture, Data Visualization Software, Analytical Skills, Statistical Analysis, Anomaly Detection, Exploratory Data Analysis, Configuration Management, Data Manipulation, Security Information and Event Management (SIEM), Scatter Plots, Data Analysis Expressions (DAX), Distributed Computing, Authentications, Real Time Data
Beginner · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Angular, JavaScript Frameworks, Web Components, Application Deployment, Cascading Style Sheets (CSS), TypeScript, Application Frameworks, UI Components, Web Development Tools, Frontend Performance, Data Transformation, Application Design, Server Side, Front-End Web Development, Hypertext Markup Language (HTML), Web Services, Web Applications, Network Routing, Software Architecture, Model View Controller
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Prompt Patterns, Salesforce, Artificial Intelligence, Generative AI Agents, Agentic systems, Customer Relationship Management (CRM) Software
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Responsible AI, Data Ethics, Model Deployment, AI Product Strategy, Technical Design, Prompt Engineering, AI Security, Artificial Intelligence and Machine Learning (AI/ML), Model Evaluation, Technical Communication, Communication, AI Workflows, MLOps (Machine Learning Operations), LLM Application, Apache Airflow, System Design and Implementation, Python Programming, CI/CD, SQL, AWS CloudFormation
Intermediate · Course · 1 - 4 Weeks

Qualcomm Academy
Skills you'll gain: Wireless Networks, Telecommunications, Emerging Technologies, Internet Of Things, General Networking, Technology Strategies, Network Infrastructure
Beginner · Course · 1 - 3 Months