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: MongoDB, Node.JS, Angular, Restful API, API Design, NoSQL, Bootstrap (Front-End Framework), Database Development, Scalability, JavaScript Frameworks, Authentications, Web Applications, Authorization (Computing), JSON, Javascript and jQuery, Database Management, Distributed Computing, Web Development Tools, Web Design and Development, Web Development
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Restful API, CI/CD, Model View Controller, ASP.NET, Cloud Infrastructure, Continuous Deployment, Load Balancing, OAuth, Continuous Integration, Cloud Computing, Cloud Applications, Cloud Deployment, Application Deployment, Cloud Platforms, Build Tools, API Design, Web Applications, Microservices, Single Sign-On (SSO), Performance Tuning
Intermediate · Specialization · 3 - 6 Months

Politecnico di Milano
Skills you'll gain: Innovation, Strategic Thinking, Systems Thinking, Technology Strategies, Digital Transformation, Case Studies, Business Modeling, Business Transformation, Scalability, Social Impact, Market Opportunities, Timelines, Market Dynamics
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Linux Commands, Linux, Command-Line Interface, Linux Administration, OS Process Management, Ubuntu, System Monitoring, Network Troubleshooting, File Transfer Protocol (FTP), File Management
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Disaster Recovery, Business Continuity, Contingency Planning, Threat Management, Incident Management, Risk Analysis, Key Performance Indicators (KPIs), Vulnerability Assessments, Business Risk Management, IT Infrastructure, Test Planning, Cloud Computing, Performance Measurement, Communication Strategies
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Linux Commands, Network Administration, Network Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Pivot Tables And Charts, Microsoft Excel, Spreadsheet Software, Excel Macros, Data Analysis, Data Visualization Software, Data Security, Data Integrity, Automation
Mixed · 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

Skills you'll gain: Remote Access Systems, Desktop Support, Technical Support, Help Desk Support, Data Ethics, Network Troubleshooting, Telecommuting, Information Technology, Collaborative Software, Data Security, Artificial Intelligence
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Email Automation, Lead Generation, Marketing Automation, Social Media, Social Media Marketing, Copywriting, Web Analytics, Automation
Beginner · Guided Project · Less Than 2 Hours

SkillUp
Skills you'll gain: Social Media Management, Social Media, Social Media Marketing, Social Media Strategy, Social Media Campaigns, Content Creation, Instagram, TikTok, Content Marketing, Content Performance Analysis, Growth Strategies, Calendar Management, Drive Engagement, Digital Marketing, Scheduling, Brand Awareness, Customer Engagement, Branding, Market Research, Data-Driven Decision-Making
Beginner · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Workflow Management, LLM Application, AI Enablement, Constructive Feedback, Generative AI, Artificial Intelligence, Automation, Responsible AI, Technical Communication, Project Management, Data Ethics, Communication Strategies, Data-Driven Decision-Making, Project Documentation, Data Science
Beginner · Course · 1 - 3 Months