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: Object Oriented Programming (OOP), File I/O, Object Oriented Design, Java, Java Programming, File Management, Application Development, Computer Programming, Programming Principles, Program Development, Application Design, Data Structures, Application Frameworks, Data Management
★ 4.8 (79) · Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Core Data (Software), JSON, Apple iOS, iOS Development, Data Persistence, Data Store, Network Model, Database Application, Mobile Development, Application Programming Interface (API), Data Modeling, UI Components, Network Protocols, User Interface (UI)
★ 4.6 (137) · Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Ansible, Shell Script, Package and Software Management, Linux Administration, Linux, Linux Servers, Unix Shell, Firewall, Bash (Scripting Language), Linux Commands, Performance Tuning, Model Context Protocol, Operating System Administration, Unix, User Accounts, Unix Commands, Systems Administration, System Monitoring, Command-Line Interface, Automation
Beginner · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Scripting, Programming Principles, Scripting Languages, Computer Programming, Data Storage, Program Development, Computer Programming Tools, Python Programming, Development Environment, Integrated Development Environments
★ 4 (143) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Exploratory Data Analysis, Data Wrangling, Data Preprocessing, Operations Research, NumPy, Data Manipulation, Supply Chain, Supply Chain Management, Data Transformation, Pandas (Python Package), Supply Chain Planning, Data Processing, Data Analysis, Data Cleansing, Data Science, Programming Principles, Python Programming, Pivot Tables And Charts, Applied Machine Learning, Plot (Graphics)
★ 3.7 (41) · Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Tensorflow, Recurrent Neural Networks (RNNs), Natural Language Processing, Embeddings, Artificial Neural Networks, Model Training, Applied Machine Learning, Data Preprocessing, Machine Learning, Data Processing
★ 4.6 (6.5K) · Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Cyber Threat Hunting, Incident Response, Cyber Threat Intelligence, Threat Detection, Anomaly Detection, AI Security, Computer Security Incident Management, Scripting, Incident Management, Scripting Languages, AI Enablement, AI Integrations, Network Analysis, Network Monitoring, Automation, Machine Learning Algorithms
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Secure Coding, Maintainability, Hardening, Java Programming, Software Design Patterns, Application Security, Software Design, Java, Software Architecture, Memory Management, Object Oriented Design, API Design, Code Reusability, Software Development, Object Oriented Programming (OOP), Functional Design, Application Programming Interface (API), Interoperability, System Programming, C (Programming Language)
Advanced · Course · 1 - 4 Weeks

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Software Testing, Regression Testing, White-Box Testing, System Testing, Test Automation, Test Planning, Acceptance Testing, Test Engineering, Functional Testing, Test Case, Test Script Development, Test Tools, Software Quality Assurance, Verification And Validation, Unit Testing, Code Coverage, Software Quality (SQA/SQC), Integration Testing, Performance Testing, Security Testing
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Terraform, Ansible, Infrastructure as Code (IaC), Devops Tools, Amazon Web Services, Systems Administration, IT Automation, Virtual Networking, Network Architecture, Cloud Infrastructure, DevOps, AWS Identity and Access Management (IAM), Amazon Elastic Compute Cloud, YAML, Amazon CloudWatch, Private Cloud, Cloud Computing Architecture, Amazon DynamoDB, Configuration Management, Automation
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: PHP (Scripting Language), Server Side, Secure Coding, Web Development, Code Reusability, Back-End Web Development, Web Applications, Data Structures, Scripting Languages, Web Servers, Scripting, Application Security, Programming Principles, Web Content, Web Development Tools, Data Validation, Debugging, Data Cleansing, Development Environment
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: IT Security Architecture, Incident Response, Endpoint Security, Zero Trust Network Access, Cloud Computing Architecture, Authentications, Incident Management, Endpoint Detection and Response, DevSecOps, Risk Analysis, Network Security, Compliance Training, Risk Mitigation, Risk Management Framework, Cyber Governance, Regulatory Compliance, Application Security, Cyber Risk, Information Systems Security, Risk Management
★ 4.8 (17) · Intermediate · Specialization · 1 - 3 Months