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.

Coursera
Skills you'll gain: Email Marketing, Writing and Editing, Copywriting, Peer Review, Editing, Grammar, Proofreading, Target Audience, Writing, Personalized Campaigns
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Maintenance, Operating System Administration, Linux Commands, iSCSI Configuration, Network Support, File Management, System Software, Software Installation, Encryption, Data Loss Prevention
Intermediate · Course · 1 - 3 Months

Skills you'll gain: API Gateway, Kubernetes, Cloud API, Google Cloud Platform, Hybrid Cloud Computing, Application Programming Interface (API), Cloud Platforms, Cloud-Native Computing, API Testing, Istio, Application Deployment, Software Installation, Proxy Servers, Verification And Validation, Configuration Management
★ 4.6 (44) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: MLOps (Machine Learning Operations), Model Evaluation, Business Metrics, Model Training, Feature Engineering, Predictive Modeling, Random Forest Algorithm, Supervised Learning, Scikit Learn (Machine Learning Library), Performance Metric, Machine Learning Algorithms, Regression Analysis, Continuous Monitoring, Statistical Methods
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: CI/CD, Jenkins, Docker (Software), Continuous Integration, Containerization, Cloud-Native Computing, Scalability, Application Deployment, Cloud Deployment, Continuous Deployment, Spring Framework, Spring Boot, DevOps, Prometheus (Software), Amazon CloudWatch, AWS Identity and Access Management (IAM), Identity and Access Management, Load Balancing, OAuth, Performance Tuning
Advanced · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Target Audience, Email Marketing, Personalized Campaigns, Campaign Management, Marketing Effectiveness, Strategic Communication, Digital Marketing Tools, Data-Driven Marketing, Driving engagement, Customer Data Management, Data Quality
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Value Propositions, Social Media Campaigns, Social Media, Social Media Marketing, Social Media Strategy, Strategic Planning, Search Engine Optimization, Competitive Analysis, Business Modeling, Marketing Planning, Search Engine Marketing, Digital Media Strategy, Web Analytics and SEO, Technology Strategies, Business Planning, Strategic Marketing, Campaign Management, Business Analysis Tools, Marketing Strategies, Google Ads
★ 4.4 (7) · Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Systems Engineering, Requirements Analysis, Requirements Elicitation, Systems Development Life Cycle, Systems Development, Configuration Management, Engineering Management, Project Risk Management, Waterfall Methodology, Functional Requirement, Systems Analysis, Project Management, Risk Management, Systems Architecture, System Requirements
★ 4.6 (8) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Target Audience, Target Market, Facebook, Earned Media, Persona Development, Customer Analysis, Owned Media, Social Media Marketing, Social Media Content, Business Marketing, Social Media, Business Planning, Drive Engagement, Marketing Planning, Digital Marketing
★ 4.6 (27) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Data Structures, File I/O, Network Routing, Graph Theory, Computer Networking, Object Oriented Programming (OOP), Python Programming, Network Routers, Program Development, Algorithms, Computer Programming
★ 4.5 (19) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Network Security, Business Continuity Planning, Business Continuity, Audit Planning, Disaster Recovery, OSI Models, Security Management, IT Management, Computer Security Incident Management, Information Systems Security, Security Controls, Firewall, Asset Protection, Systems Development, Compliance Auditing, Information Technology, Information Systems, Security Awareness, Auditing, Cryptography
Beginner · Course · 1 - 3 Months

Skills you'll gain: Test Automation, Test Script Development, Test Execution Engine, Continuous Integration, Software Testing, Regression Testing, Code Reusability, Data Governance, CI/CD, Maintainability, Test Data, Scalability, SAP Applications
Advanced · Course · 1 - 4 Weeks