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: Open Source Technology, Package and Software Management, Linux, Ubuntu, Operating System Administration, Linux Administration, Linux Commands, Operating Systems, Unix, Command-Line Interface, Unix Commands, Network Administration, Red Hat Enterprise Linux, Bash (Scripting Language), Shell Script, Web Servers, System Configuration, General Networking, Firewall, Virtual Machines
Build toward a degree
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Generative AI Agents, LangChain, AI Workflows, LLM Application, Agentic systems, Development Environment, Model Evaluation, OpenAI, Artificial Intelligence, Scalability, Applied Machine Learning, Performance Tuning, Design
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Web Applications, Web Design and Development, API Design, User Interface (UI), Databases, Scalability, GitHub, Command-Line Interface, Data Validation
Beginner · Specialization · 3 - 6 Months

Whizlabs
Skills you'll gain: Amazon Web Services, Virtual Networking, Network Architecture, Virtual Private Networks (VPN), Cloud Computing Architecture, Cloud Infrastructure, Load Balancing, Network Routing, Hybrid Cloud Computing, Network Security, File Transfer Protocol (FTP), Data Migration
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Spring Boot, Hibernate (Java), Web Applications, Application Development, Restful API, Application Frameworks, Bootstrap (Front-End Framework), Development Environment, Model View Controller, Java Platform Enterprise Edition (J2EE), Authentications, User Interface (UI), Databases
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Logo Design, Social Media, Content Creation, Target Audience, Graphic Design, Social Media Marketing, Social Media Strategy, Content Strategy, Goal Setting
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Network Routing, Firewall, TCP/IP, Virtual Networking, Google Cloud Platform, Virtual Private Networks (VPN), General Networking, Network Administration, Cloud Services, Cloud Security, Data Security
Intermediate · Course · 1 - 4 Weeks

Fundação Instituto de Administração
Skills you'll gain: Workforce Management, People Analytics, Big Data, HR Tech, Workforce Planning, Data Mining, Data-Driven Decision-Making, Human Resource Strategy, Deep Learning, Human Resources Management and Planning, Digital Transformation, Human Resources, Ggplot2, Data Visualization Software, Plot (Graphics), Data Modeling, R Programming, Analytics, Data Science, Data Manipulation
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Kubernetes, Capacity Management, Application Deployment, Google Cloud Platform, Cloud-Native Computing, Scalability, Cloud Infrastructure, Data Persistence, Containerization, YAML, Load Balancing, Cloud Security, Network Model
Intermediate · Course · 1 - 3 Months

The University of Edinburgh
Skills you'll gain: Pulmonology, Chronic Diseases, Respiratory Care, Primary Care, Respiratory Therapy, Patient Evaluation, Rehabilitation, Patient Education And Counseling, Diagnostic Tests, Treatment Planning, Health Equity, Preventative Care, Community Health, Patient-centered Care
Mixed · Course · 1 - 3 Months

O.P. Jindal Global University
Skills you'll gain: International Relations, Public Policies, Political Sciences, Diplomacy, Economics, World History, Economic Development, Policy Development, Policy Analysis, Public Affairs, Technology Strategies, Public Safety and National Security, Governance, Security Strategy, Strategic Partnership
Beginner · Course · 1 - 3 Months

Skills you'll gain: Recurrent Neural Networks (RNNs), Artificial Neural Networks, Deep Learning, Matplotlib, Convolutional Neural Networks, Linear Algebra, Image Analysis, Data Visualization, NumPy, Machine Learning Algorithms, Keras (Neural Network Library), Pandas (Python Package), Seaborn, Artificial Intelligence and Machine Learning (AI/ML), Data Science, Applied Machine Learning, Tensorflow, Data Analysis, Artificial Intelligence, Machine Learning
Beginner · Specialization · 3 - 6 Months