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: Ggplot2, Data Cleansing, Tidyverse (R Package), Data Wrangling, Data Transformation, Data Visualization, R Programming, Data Manipulation, Data Analysis, Data Management, Pivot Tables And Charts
Intermediate · Guided Project · Less Than 2 Hours

Digital Marketing Institute
Skills you'll gain: Digital Marketing, Social Media Marketing, Marketing Channel, Digital Media Strategy, Marketing Automation, Marketing Strategy and Techniques, Social Media Strategy, Digital Advertising, Email Marketing, Content Marketing, Search Engine Optimization, Marketing Communications, E-Commerce, Customer Relationship Management (CRM) Software, Demand Generation, Marketing Analytics, Customer Service, Web Applications
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Scalability, Performance Analysis, Simulations, Algorithms, Complex Problem Solving, Theoretical Computer Science, Python Programming, Data Structures, Software Architecture, Software Engineering
Beginner · Guided Project · Less Than 2 Hours

Politecnico di Milano
Skills you'll gain: Health Technology, Health Assessment, Digital Transformation, Health Systems, Public Health, Emergency Response, Community Mental Health Services, Health Care Procedure and Regulation, Policy Development, Health Policy, Mental Health, Public Administration, Data Collection
Beginner · Course · 1 - 4 Weeks

Universitat Autònoma de Barcelona
Skills you'll gain: International Relations, Diplomacy, Political Sciences, World History, Public Safety and National Security, Security Strategy, Economics, Policy Analysis, Cultural Diversity
Beginner · Course · 1 - 3 Months

Skills you'll gain: OpenAI API, LLM Application, Cost Benefit Analysis, Generative AI, AI Enablement, Application Programming Interface (API), Business Logic, Prompt Engineering, Scalability, Business Analysis, TypeScript, Node.JS, AI Security, System Design and Implementation, File I/O
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Online Advertising, Performance marketing, Social Media Marketing, Social Media Strategy, Customer Engagement, Customer Insights
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Deepseek, Hugging Face, Large Language Modeling, LLM Application, AI Personalization, ChatGPT, Deep Learning, Open Source Technology, AI Enablement, Model Deployment, Business Modeling, Applied Machine Learning, Analytical Skills, Application Programming Interface (API), Business Process Automation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Model Deployment, Model Evaluation, MLOps (Machine Learning Operations), Time Series Analysis and Forecasting, Google Cloud Platform, Data Preprocessing, Forecasting, Data Transformation, Predictive Modeling, Applied Machine Learning, Continuous Monitoring, Deep Learning
Advanced · Course · 1 - 3 Months

Cisco Learning and Certifications
Skills you'll gain: Multiprotocol Label Switching, Virtual Private Networks (VPN), Routing Protocols, Border Gateway Protocol, Open Shortest Path First (OSPF), Network Troubleshooting, Network Routers, Wide Area Networks, Network Routing, Network Monitoring, System Configuration, Command-Line Interface
Beginner · Course · 1 - 3 Months

Skills you'll gain: Exploratory Data Analysis, Model Deployment, Keras (Neural Network Library), Transfer Learning, Data Analysis, Data Preprocessing, Image Analysis, Deep Learning, Classification Algorithms, Applied Machine Learning, Computer Vision, Model Evaluation, Machine Learning, Performance Tuning
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Cloud-Native Computing, Enterprise Architecture, CI/CD, Cloud Applications, Unified Modeling Language, Microservices, Cloud Infrastructure, Cloud Computing, Docker (Software), Data Modeling, Requirements Analysis, Software Systems, Architectural Design, Software Development Life Cycle, Stakeholder Engagement, Application Programming Interface (API), Database Design, Database Management, Data Governance, SQL
Advanced · Course · 1 - 3 Months