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.

John Wiley & Sons
Skills you'll gain: Database Administration, Disaster Recovery, Database Architecture and Administration, Database Systems, Database Management, Database Management Systems, Operational Databases, Data Maintenance, Relational Databases, Databases, Database Design, Data Management, Business Continuity Planning, Database Software, Database Theory, Transaction Processing, Data Governance, Data Security, SQL, Business Continuity
Intermediate · Specialization · 1 - 3 Months

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

Infosec
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Secure Coding, Application Security, Encryption, Security Controls, Data Security, Endpoint Security, Database Application, Web Applications, Cryptography, Object-Relational Mapping, Authentications, Data Access, Query Languages, Computer Programming
Beginner · Course · 1 - 4 Weeks

Pearson
Skills you'll gain: Cloud-Native Computing, DevOps, Kubernetes, Application Deployment, Containerization, CI/CD, Istio, Continuous Integration, Microservices, Continuous Deployment, Continuous Delivery, Serverless Computing, Git (Version Control System), Version Control, Cloud Deployment, Docker (Software), Software Development, Cloud Applications, OpenShift, Network Security
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Database Design, Database Development, Query Languages, SQL, Database Architecture and Administration, Data Modeling, Database Management
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Unix Shell, Unix Commands, Command-Line Interface, Unix, Network Protocols, Network Troubleshooting, TCP/IP, Shell Script, Linux, OS Process Management, File Management, General Networking, File Transfer Protocol (FTP), Network Administration, Linux Commands, File Systems, Network Routing, OSI Models, Computer Networking, Operating Systems
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Azure DevOps Pipelines, CI/CD, Authorization (Computing), Package and Software Management, Infrastructure as Code (IaC), Continuous Delivery, Authentications, Application Deployment, Azure DevOps, Continuous Integration, Cloud Deployment, DevSecOps, DevOps, OAuth, Security Controls, GitHub, Continuous Deployment, Git (Version Control System), Agile Methodology, Performance Tuning
Advanced · Specialization · 1 - 3 Months

LearnKartS
Skills you'll gain: Jenkins, Infrastructure as Code (IaC), CI/CD, Ansible, Build Tools, SonarQube, Continuous Integration, DevOps, Apache Tomcat, Devops Tools, Apache Maven, Continuous Deployment, Continuous Delivery, Configuration Management, Software Configuration Management, Code Coverage, Shell Script, Application Deployment, Unix Shell, Docker (Software)
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Stakeholder Engagement, Clinical Leadership, Strategic Leadership, Nursing Management, Strategic Decision-Making, Stakeholder Management, Leadership, Accountability, Decision Making, Leadership Development, Critical Thinking and Problem Solving, Communication Strategies, Strategic Thinking, Problem Solving, Organizational Strategy, Complex Problem Solving, Dealing With Ambiguity, Data-Driven Decision-Making, Patient Safety, Cross-Functional Collaboration
Intermediate · Course · 1 - 4 Weeks

Sungkyunkwan University
Skills you'll gain: Recurrent Neural Networks (RNNs), Convolutional Neural Networks, Image Analysis, Computer Vision, Artificial Neural Networks, Natural Language Processing, Deep Learning, Machine Learning
Beginner · Course · 1 - 3 Months

Amazon Web Services
Skills you'll gain: AWS Identity and Access Management (IAM), Amazon DynamoDB, Amazon S3, Amazon Elastic Compute Cloud, API Gateway, Serverless Computing, Cloud API, Application Programming Interface (API), Identity and Access Management, Amazon Web Services, Cloud-Based Integration, Authentications, Authorization (Computing), NoSQL, Cloud Storage, Cloud Hosting, Data Storage
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Unit Testing, Test Driven Development (TDD), Continuous Integration, CI/CD, Software Testing, Continuous Deployment, Testability, Test Script Development, Model Training, Development Testing, Tensorflow, Maintainability, Applied Machine Learning, Software Engineering, Code Reusability, Machine Learning Methods, Python Programming, Software Design
Intermediate · Course · 1 - 4 Weeks