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: Cryptography, Encryption, Application Development, Security Engineering, Application Security, C++ (Programming Language)
Intermediate · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Docker (Software), Containerization, Microservices, Application Deployment, CI/CD, Data Persistence, DevOps, YAML, Software Development, Virtualization, Application Security, Virtual Networking, Command-Line Interface
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Amazon S3, Amazon Elastic Compute Cloud, Amazon Redshift, Amazon DynamoDB, Cloud Infrastructure, Cloud Computing Architecture, Virtual Networking, Database Management, Network Infrastructure, Cloud Security, General Networking, Data Storage, Relational Databases, Data Migration, Network Routing
Intermediate · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Deep Learning, Supervised Learning, Artificial Neural Networks, Convolutional Neural Networks, Computer Vision, Recurrent Neural Networks (RNNs), Machine Learning, Performance Tuning, Python Programming, NumPy, Linear Algebra, Algorithms
Intermediate · Course · 1 - 4 Weeks

Splunk Inc.
Skills you'll gain: Splunk, Data Modeling, Dashboard, Pivot Tables And Charts, Interactive Data Visualization, Data Management, Database Management, Visualization (Computer Graphics), Data Mapping, Incident Management, Query Languages, Data Integration, Information Management, Event Monitoring, Performance Tuning, Frontend Performance, Big Data, Business Intelligence, Data Analysis, Business Analytics
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Microsoft Azure, User Provisioning, Cloud Security, Azure Active Directory, Data Governance, IT Security Architecture, DevSecOps, Data Management, Security Information and Event Management (SIEM), Identity and Access Management, Microsoft 365, Endpoint Security, Zero Trust Network Access, Role-Based Access Control (RBAC), Multi-Factor Authentication, Authorization (Computing), Hybrid Cloud Computing, Microsoft Copilot, Encryption, Authentications
Advanced · Specialization · 1 - 3 Months

Skills you'll gain: JUnit, Apache Maven, Spring Boot, Model View Controller, Unit Testing, Microservices, Application Development, Spring Framework, Redis, Restful API, YAML, Java, Java Programming, MongoDB, Application Deployment, NoSQL, Ajax, Hibernate (Java), Data Persistence, Software Testing
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Building Codes, Construction, Safety Training, Construction Inspection, Safety Assurance, Safety Standards, Building Services Engineering, Building Design, Facility Management and Maintenance, Hazard Analysis, Electrical Systems, HVAC, Control Systems, Design Specifications, Hydraulics, Systems Integration
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: C# (Programming Language), Software Architecture, .NET Framework, Distributed Computing, Scalability, Object Oriented Programming (OOP), Object-Relational Mapping, Microservices, Debugging, MongoDB, Data Access, Model View Controller, Performance Tuning, Computer Programming, Maintainability, NoSQL
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Centers, Ansible, Open Shortest Path First (OSPF), Network Switches, Computing Platforms, Virtual Networking, Virtual Local Area Network (VLAN), Network Infrastructure, Network Engineering, Border Gateway Protocol, Infrastructure Security, Network Monitoring, Data Storage Technologies, Automation, Event Monitoring, Configuration Management
Intermediate · Course · 1 - 3 Months

Simplilearn
Skills you'll gain: Supervised Learning, Data Modeling, Unsupervised Learning, Applied Machine Learning, Data Analysis, Recurrent Neural Networks (RNNs), Model Deployment, Reinforcement Learning, Artificial Intelligence, Classification Algorithms, Classification And Regression Tree (CART), Tensorflow, Machine Learning Algorithms, Keras (Neural Network Library), Artificial Neural Networks, Deep Learning, Machine Learning, Decision Tree Learning, Predictive Analytics, Regression Analysis
Beginner · Specialization · 1 - 3 Months

Vanderbilt University
Skills you'll gain: Microservices, Application Deployment, Software Architecture, Scalability, Service Oriented Architecture, Distributed Computing, Load Balancing, Java, Program Development, Software Design, Maintainability, Dependency Analysis
Intermediate · Course · 1 - 4 Weeks