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.

University of California, Davis
Skills you'll gain: Prompt Engineering, Responsible AI, AI literacy, AI powered creativity, Anthropic Claude, Generative AI, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML), Data Ethics, OpenAI, LLM Application, Emerging Technologies, Deep Learning, Machine Learning
★ 4.5 (191) · Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Exploratory Data Analysis, R (Software), Ggplot2, Statistical Reporting, Data Visualization Software, Tidyverse (R Package), Data Visualization, Version Control, Data Analysis, Plot (Graphics), Scientific Visualization, Statistics, Statistical Visualization, Data Wrangling, Data Science, R Programming, GitHub, Data Transformation, Statistical Analysis, Statistical Programming
★ 4.7 (30) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Kubernetes, Cloud Infrastructure, Google Cloud Platform, Cloud Development, Cloud-Native Computing, Identity and Access Management, Infrastructure As A Service (IaaS), Cloud Applications, CI/CD, Prompt Engineering, Continuous Delivery, Cloud Storage, Cloud Services, Continuous Deployment, Virtual Machines, Generative AI Agents, Scalability, Virtual Networking, Containerization, Application Deployment
★ 4.6 (93) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Oracle Databases, Data Migration, Oracle Cloud, Database Administration, Data Import/Export, Database Development, Database Architecture and Administration, Application Development, Database Management, Performance Tuning, Disaster Recovery, SQL, Cloud Infrastructure, Identity and Access Management, Scalability
★ 4.6 (40) · Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Generative AI, Generative Model Architectures, Large Language Modeling, AI Product Strategy, AI literacy, Responsible AI, Unstructured Data, Artificial Intelligence and Machine Learning (AI/ML), AI Security, Machine Learning, Business Solutions, Data Access, Data Quality
★ 4.4 (16) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Model Evaluation, Computer Vision, Convolutional Neural Networks, Image Analysis, Transfer Learning, Model Training, Fine-tuning, Matlab, Artificial Neural Networks, Deep Learning, Applied Machine Learning, Classification Algorithms, Predictive Modeling, Performance Tuning
★ 4.9 (20) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Social Media Content, Social Media Marketing, Social Media, Multimedia, Marketing Design, Content Creation, Graphic and Visual Design Software, Graphic Design, Graphic and Visual Design, Animations, Editing, Marketing, Product Promotion
★ 4.6 (72) · Beginner · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Performance Testing, Scalability, Data Architecture, Software Architecture, Distributed Computing, Data Infrastructure, Performance Stress Testing, Predictive Modeling, Performance Tuning, Microservices, Big Data, Database Architecture and Administration, Database Theory, Software Engineering, Database Systems, Data Store, Model Evaluation
★ 3.5 (31) · Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Content Performance Analysis, Content Optimization, Web Analytics and SEO, Content Creation, Web Content, Search Engine Optimization, Performance Analysis, Digital Publishing, Content Marketing, Driving engagement, Content Management Systems, Web Analytics, Performance Measurement, Performance Metric, Performance Improvement, Data-Driven Marketing, Copywriting, Process Optimization, Benchmarking, Data-Driven Decision-Making
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Descriptive Statistics, R (Software), Statistical Hypothesis Testing, Correlation Analysis, Tidyverse (R Package), Data Analysis, Regression Analysis, Probability & Statistics, Statistical Methods, Data Analysis Software, Data Import/Export, Statistical Analysis, R Programming, Data Wrangling, Statistical Software, Statistical Programming, Data Manipulation
★ 4.3 (19) · Beginner · Course · 1 - 3 Months

Illinois Tech
Skills you'll gain: Virtualization, Virtualization and Virtual Machines, Virtual Machines, Virtual Networking, Data Centers, Virtual Local Area Network (VLAN), Data Storage Technologies, Data Storage, Data Infrastructure, Servers, Virtual Reality, Memory Management, Network Switches, iSCSI Configuration, Remote Access Systems, Computer Hardware
★ 4.6 (16) · Intermediate · Course · 1 - 3 Months

John Wiley & Sons
Skills you'll gain: Wealth Management, Financial Planning, Finance, Compensation Strategy, Budget Management, Budgeting, Self-Awareness, Financial Management, Personal Development, Financial Acumen, Cash Management, Compensation and Benefits, Financial Analysis, Cash Flows, Behavioral Economics, Goal-Oriented, Decision Making, Risk Management, Expense Management, Goal Setting
Beginner · Specialization · 1 - 3 Months