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: Version Control, Git (Version Control System), Linux, Cloud Computing Architecture, DevOps, Development Environment, Application Deployment, Virtualization, Cloud Computing, Linux Administration, Devops Tools, Cloud Infrastructure, Containerization, Cloud Platforms, Infrastructure As A Service (IaaS), Software Versioning, Virtualization and Virtual Machines, Software As A Service, Virtual Networking, Virtual Machines
★ 4.4 (163) · Beginner · Course · 1 - 4 Weeks

Kennesaw State University
Skills you'll gain: Email Security, Personally Identifiable Information, Firewall, Threat Detection, Network Security, Cybersecurity, Cyber Attacks, Threat Management, Security Awareness, Security Software, Cloud Storage, Information Privacy, Data Security, Cloud Computing, Cloud Services, General Networking
★ 4.8 (36) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Communication Planning, Strategic Communication, Planning, Communication Strategies, Media Strategy, Strategic Planning, Media Planning, Stakeholder Communications, Media and Communications, Project Planning, Network Planning And Design, Communication Systems, Program Evaluation, Communication, Integrated Marketing Communications, Systems Development, Analysis, Influencing, Systems Design, Environment
Mixed · Course · 1 - 4 Weeks
Illinois Tech
Skills you'll gain: Operating System Administration, Linux Administration, Microsoft Windows, Command-Line Interface, Operating Systems, System Configuration, Event Monitoring, Authorization (Computing), Desktop Support, OS Process Management, Network Security, Package and Software Management, Information Technology, IT Automation, Network Administration, General Networking, Software Installation
★ 4.6 (168) · Beginner · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Blockchain, Cryptography, Data Storage, Systems Architecture, Network Architecture, FinTech, Distributed Computing, Cryptographic Protocols, Programming Principles, Data Structures, Computing Platforms, Scalability, Data Integrity, Software Development Tools
★ 4.7 (15) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Fine-tuning, Generative Model Architectures, Deep Learning, Autoencoders, Generative AI, Model Optimization, Artificial Neural Networks, Generative Adversarial Networks (GANs), Applied Machine Learning, Artificial Intelligence and Machine Learning (AI/ML), Model Training, Network Architecture, Model Evaluation, Anomaly Detection, Computer Vision, Predictive Modeling
Advanced · Course · 1 - 4 Weeks

The Hong Kong University of Science and Technology
Skills you'll gain: FinTech, Governance Risk Management and Compliance, Regulatory Compliance, Financial Regulation, Business Continuity Planning, Compliance Management, Disaster Recovery, Risk Management Framework, Financial Regulations, Financial Controls, Operational Risk, Bank Regulations, Business Continuity, Security Management, Financial Services, Market Trend, Financial Systems, Workforce Development, Banking, Blockchain
★ 4.7 (1K) · Beginner · Specialization · 3 - 6 Months

Microsoft
Skills you'll gain: Terraform, Infrastructure as Code (IaC), Cloud-Native Computing, DevSecOps, Kubernetes, Hardening, Cloud Infrastructure, Cloud Management, Cloud Platforms, Cloud Engineering, Infrastructure Architecture, Enterprise Architecture, Generative AI, Microsoft Azure, Containerization, Code Reusability, Secure Coding, Security Controls, Configuration Management, Cryptographic Protocols
Advanced · Course · 1 - 3 Months

Skillshare
Skills you'll gain: Network Model, 3D Assets, 3D Modeling, Visualization (Computer Graphics), Computer Graphics, Graphical Tools, Computer Graphic Techniques, Dataflow, Scalability, Debugging
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

Universidad de los Andes
Skills you'll gain: IT Security Architecture, Computer Security Incident Management, Network Security, Incident Response, Cryptography, Digital Forensics, Security Requirements Analysis, Penetration Testing, Incident Management, Human Factors (Security), Threat Detection, Cloud Security, Vulnerability Assessments, Cyber Attacks, Encryption, Cybersecurity, Exploitation techniques, Vulnerability Management, Data Security, Security Management
★ 4.7 (568) · Beginner · Specialization · 1 - 3 Months
LearnQuest
Skills you'll gain: Containerization, File I/O, Package and Software Management, Unified Modeling Language, Software Testing, Docker (Software), Development Environment, Unit Testing, Application Deployment, Plot (Graphics), Pandas (Python Package), Scripting, Data Modeling, DevOps, Data Persistence, Programming Principles, Python Programming, Scripting Languages, Data Structures, Computer Programming
★ 4 (210) · Beginner · Specialization · 3 - 6 Months