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.

LearnQuest
Skills you'll gain: Simple Object Access Protocol (SOAP), Web Services, Extensible Markup Language (XML), Java Platform Enterprise Edition (J2EE), Java, Web Applications, Program Development
★ 4.1 (13) · Beginner · Course · 1 - 4 Weeks
Google Cloud
Skills you'll gain: Istio, CI/CD, Kubernetes, Serverless Computing, Containerization, Cloud-Native Computing, Multi-Cloud, Hybrid Cloud Computing, Application Deployment, Continuous Integration, Continuous Deployment, Google Cloud Platform, Cloud Infrastructure, Cloud Management, Network Security, Continuous Delivery, Microservices, Cloud Deployment, Virtual Networking, Private Cloud
★ 4.7 (380) · Intermediate · Specialization · 3 - 6 Months

DeepLearning.AI
Skills you'll gain: Tensorflow, Model Training, Model Optimization, Deep Learning, Distributed Computing, Data Pipelines
★ 4.8 (439) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Workflow Management, Timelines, Project Controls, Project Schedules, Dashboard, Goal Setting, Project Coordination, Dashboard Creation, Collaborative Software, Process Design, Project Performance, Calendar Management, Project Management Software, Project Planning, Project Management, Time Management, Issue Tracking, Project Management Life Cycle, Organizational Skills, Teamwork
Beginner · Specialization · 3 - 6 Months

Nanjing University
Skills you'll gain: Data Processing, Data Mining, Data Structures, Data Presentation, Object Oriented Programming (OOP), Web Scraping, Data Science, Data Capture, Data Analysis, Python Programming, Data Access, NumPy, Data Preprocessing, Data Visualization, Data Manipulation, UI Components, User Interface (UI) Design, Programming Principles
★ 4.1 (378) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Risk Management, Risk Management Framework, Risk Mitigation, Risk Analysis, Enterprise Risk Management (ERM), Business Risk Management, Strategic Leadership, Digital Transformation, Business Planning, Financial Management, Financial Planning, Business Leadership, Financial Forecasting, Business Strategies, Corporate Strategy, Organizational Strategy, Organizational Effectiveness, Governance Risk Management and Compliance, Business Acumen, Business Transformation
Intermediate · Course · 1 - 4 Weeks

Multiple educators
Skills you'll gain: Cloud Solutions, Cloud Security, Data Literacy, System Monitoring, Private Cloud, Data-Driven Decision-Making, Business Analytics, Team Oriented, Exploratory Data Analysis, Data Management, Hybrid Cloud Computing, Data Visualization Software, Virtual Machines, Process Design, Enterprise Security, Software As A Service, Data Processing, Data Manipulation, Statistical Software, Data Import/Export
★ 4.5 (124) · Beginner · Specialization · 1 - 3 Months

University of Colorado System
Skills you'll gain: Software Design, Systems Development Life Cycle, Software Development Life Cycle, Application Security, Technical Design, Security Engineering, Software Development Methodologies, Conceptual Design, Waterfall Methodology, Requirements Analysis, Agile Methodology
★ 4.6 (253) · Mixed · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Secure Coding, Software Design, System Design and Implementation, Programming Principles, Security Engineering, Program Development, Vulnerability Assessments, C (Programming Language), Software Development Methodologies
★ 4.4 (383) · Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Cryptography, Brute-force attacks, Cryptographic Protocols, Encryption, Key Management, Cybersecurity, Computer Security, Information Assurance, Theoretical Computer Science, Threat Modeling, Communication Systems
★ 4.5 (551) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Record Keeping, Medical Office Procedures, Records Management, Medical Records, Document Management, Health Information Management, Medical Privacy, File Management, Health Information Management and Medical Records, Patient Communication, Telecommunications, File Systems, Clinical Documentation, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Quality Assurance, Information Privacy, Regulatory Compliance
Beginner · Course · 1 - 4 Weeks

The Hong Kong University of Science and Technology
Skills you'll gain: Requirements Analysis, Unified Modeling Language, Object Oriented Design, Functional Requirement, Data Modeling, Object Oriented Programming (OOP), Systems Development Life Cycle, System Requirements, Functional Specification, Diagram Design, Software Development, Software Engineering, Software Systems, Verification And Validation, Software Documentation, Model Evaluation, Project Planning, Project Management
★ 4.6 (392) · Intermediate · Course · 1 - 3 Months