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.

Johns Hopkins University
Skills you'll gain: Computer Systems, Informatics, Data Processing, Computing Platforms, Health Informatics, Bioinformatics, Data Storage Technologies, Data Storage, Computer Literacy, Computer Hardware, Big Data, Data-Driven Decision-Making, Cloud Computing
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Decision Making, Mitigation, Data-Driven Decision-Making, Analytical Skills, Analytics, Analysis, Critical Thinking, Continuous Improvement Process
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Apache, Network Troubleshooting, OSI Models, File Transfer Protocol (FTP), Linux Administration, Linux Servers, TCP/IP, Network Protocols, Linux Commands, Systems Analysis, Linux, Dynamic Host Configuration Protocol (DHCP), Virtual Networking, Network Analysis, General Networking, Virtual Machines, Web Servers, Network Administration, Computer Networking, Unix Shell
Intermediate · Specialization · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Open Source Technology, Package and Software Management, Linux, Shell Script, Ubuntu, Unix Shell, Linux Administration, Operating System Administration, Bash (Scripting Language), Linux Servers, Unix, Operating Systems, Command-Line Interface, Scripting, Linux Commands, Red Hat Enterprise Linux, File Systems, Network Administration, Software Installation, System Software
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Prompt Engineering, AI Workflows, AI Integrations, Agentic Workflows, Automation, Prompt Engineering Tools, AI Enablement, Performance Measurement, Decision Intelligence, Generative AI, Process Optimization, Scalability, Debugging
Intermediate · Course · 1 - 3 Months

Universidade de São Paulo
Skills you'll gain: Cultural Diversity, Culture, Anthropology, Aesthetics, Liberal Arts, Psychology, Physics, Biology
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Stakeholder Communications, Campaign Management, Campaign Planning, Promotions and Campaigns, Smart Goals, Email Marketing, Marketing Effectiveness, Goal Setting, Strategic Marketing, Communication, Strategic Thinking, Strategic Planning, Performance Measurement, Performance Metric, Business Priorities
Beginner · Course · 1 - 4 Weeks

Whizlabs
Skills you'll gain: DevOps, CI/CD, Containerization, Devops Tools, Continuous Integration, Cloud Security, Kubernetes, Software Development, Google Cloud Platform, Continuous Delivery, Application Deployment, Cloud Deployment, Cloud Services, General Networking, System Monitoring, Identity and Access Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Embeddings, Natural Language Processing, Keras (Neural Network Library), Generative AI, Convolutional Neural Networks, Transfer Learning, Recurrent Neural Networks (RNNs), Model Evaluation, Generative Model Architectures, Image Analysis, Model Training, Artificial Neural Networks, Text Mining, Computer Vision, Model Optimization, Data Preprocessing, Fine-tuning, Deep Learning, Tensorflow, Model Deployment
Beginner · Specialization · 1 - 3 Months

University of Michigan
Skills you'll gain: Responsible AI, AI Security, Data Ethics, AI literacy, Generative AI, Regulatory Compliance, Data Security, Law, Regulation, and Compliance, Artificial Intelligence, Decision Intelligence, Risk Management, Risk Mitigation, Risk Analysis, Algorithms
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Ansible, Infrastructure as Code (IaC), Devops Tools, YAML, IT Automation, Docker (Software), Containerization, Amazon Web Services, Data Security, Performance Tuning, Configuration Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: File Systems, Mac OS, User Accounts, File Management, User Provisioning, Data Security, Operating System Administration, Software Installation, Unix, System Configuration, Unix Commands, Security Controls, Knowledge of Apple Hardware, Authorization (Computing), Data Management, Disaster Recovery, Data Storage, Control Panels, Encryption
Beginner · Course · 1 - 4 Weeks