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.

ISC2
Skills you'll gain: Cloud Security, Zero Trust Network Access, Hybrid Cloud Computing, Cloud Computing, Cloud Services, Risk Mitigation, Security Strategy, Legal Risk, Regulation and Legal Compliance, Auditing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Scalability, Serverless Computing, Google Cloud Platform, Systems Design, Distributed Computing, Cloud Development, Cloud Applications, Cloud Computing Architecture, Application Deployment, Middleware, Cloud Management, System Programming, Network Architecture
Intermediate · Project · Less Than 2 Hours

University of London
Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), JSON, HTML and CSS, Ajax, Web Content Accessibility Guidelines, Javascript, Web Design, Semantic Web, Usability, Web Applications, Web Development, Web Content, Usability Testing, Interactive Design, Data Structures, Application Frameworks, Network Protocols, Data Ethics, Animations
Build toward a degree
Beginner · Specialization · 1 - 3 Months

Edureka
Skills you'll gain: PySpark, Data Pipelines, Dashboard, Data Processing, Data Storage Technologies, Data Visualization, Natural Language Processing, Data Analysis Expressions (DAX), Data Storage, Data Transformation, Machine Learning, Deep Learning, Logistic Regression
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Cost Estimation, Project Scoping, Work Breakdown Structure, Cost Management, Project Planning, Project Schedules, Project Controls, Scope Management, Estimation, Earned Value Management, Scheduling, Project Management, Change Control, Variance Analysis, Dependency Analysis, Network Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Social Media, Social Media Content, Social Media Campaigns, Content Creation, Animations, Social Media Marketing, Social Media Strategy, Advertising Campaigns, Drive Engagement, Style Guides, Marketing Design, Instagram, Graphic Design, Content Strategy, Branding
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: CI/CD, ASP.NET, Continuous Deployment, Application Deployment, Cloud Deployment, Restful API, Middleware, Continuous Integration, Software Testing, .NET Framework, Responsive Web Design, API Design, Data Migration, Azure DevOps, Configuration Management, Data Validation, HTML and CSS, Database Application, C# (Programming Language), Web Applications
Intermediate · Professional Certificate · 3 - 6 Months

Skills you'll gain: Linux, Linux Administration, Operating System Administration, File Systems, User Accounts, Data Storage, Systems Administration, File Management, Performance Tuning, Data Storage Technologies, System Configuration, Security Controls
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Application Performance Management, Prometheus (Software), Network Monitoring, System Monitoring, Grafana, Performance Tuning, Event Monitoring, Performance Testing, Performance Management, Server Administration, Web Analytics and SEO, Javascript
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Load Balancing, Hybrid Cloud Computing, Google Cloud Platform, Virtual Networking, Cloud Computing, Cloud Management, Network Performance Management, Performance Tuning, Cloud Security, TCP/IP, Scalability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Load Balancing, Google Cloud Platform, Virtual Machines, Amazon Elastic Compute Cloud, Cloud Computing Architecture, Amazon Web Services, Cloud Infrastructure, Multi-Cloud, Virtualization, Virtual Networking, Network Routing, Firewall
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Data Lakes, Data Processing, Google Cloud Platform, Data Warehousing, Data Integration, Data Management, Data Pipelines, Data Governance, Analytics, Data Quality, Data Security, Identity and Access Management, Automation
Intermediate · Course · 1 - 4 Weeks