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: Statistical Hypothesis Testing, Sampling (Statistics), Regression Analysis, Bayesian Statistics, Statistical Analysis, Probability & Statistics, Statistical Inference, Statistical Methods, Statistical Modeling, Linear Algebra, Probability, Probability Distribution, R Programming, Biostatistics, Data Analysis, Data Science, Statistics, Mathematical Modeling, Data Modeling, Applied Mathematics
★ 4.4 (800) · Advanced · Specialization · 3 - 6 Months

Skills you'll gain: Customer Engagement, Canva (Software), Selling Techniques, Video Production, Promotional Materials, Copywriting, Promotional Strategies, Social Media Content, Driving engagement, Multimedia, Product Promotion, Marketing, Social Media Marketing, Value Propositions, Content Creation, Animations
★ 4.3 (1.1K) · Beginner · Guided Project · Less Than 2 Hours

SkillsBooster Academy
Skills you'll gain: Prompt Engineering, AI Security, Generative AI Agents, Integrated Development Environments, Software Development Tools, Google Workspace, Software Development, Responsible AI, GitHub, Code Review, Application Deployment, AI Personalization, Generative AI, Software Engineering, Web Development, Artificial Intelligence, Design Software, Front-End Web Development, React.js, Javascript
★ 4.6 (21) · Beginner · Specialization · 3 - 6 Months

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Bash (Scripting Language), Linux, Linux Commands, Shell Script, Unix Shell, Command-Line Interface, Linux Administration, Unix, Unix Commands, File Systems, Operating Systems, Scripting, File Management, System Software, Systems Administration, System Programming, Scripting Languages, grep, OS Process Management, Data Storage
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Social Media Content, Social Media, Facebook, Content Creation, Marketing Materials, Social Media Marketing, Instagram, Dashboard, Graphic Design, Brand Management, Digital Marketing
★ 4.5 (1.4K) · Beginner · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Rmarkdown, Knitr, Data Sharing, General Science and Research, Statistical Reporting, Data Analysis, Statistical Analysis, R Programming, Verification And Validation, Technical Communication, Software Documentation
★ 4.6 (4.2K) · Mixed · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Cloud Computing Architecture, Cloud Infrastructure, Cloud Solutions, Cloud Security, Cloud Computing, Solution Architecture, Google Cloud Platform, Cloud Management, Process Optimization, Cloud Platforms, Solution Delivery, Process Improvement and Optimization, System Implementation, Process Analysis, Business Solutions, Cloud Deployment, Solution Design
★ 4.7 (1.4K) · Advanced · Course · 1 - 3 Months

Skills you'll gain: Cybersecurity, Cloud Computing, Network Monitoring, Command-Line Interface, Cloud Services, General Networking, Linux Commands, Linux, Virtual Machines
★ 4.7 (541) · Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Tensorflow, Deep Learning, Keras (Neural Network Library), Convolutional Neural Networks, Model Optimization, Model Training, Artificial Neural Networks, Model Evaluation
★ 4.9 (1.1K) · Intermediate · Course · 1 - 3 Months

Amazon Web Services
Skills you'll gain: Artificial Intelligence and Machine Learning (AI/ML), Generative AI, Deep Learning, Artificial Intelligence, Amazon Web Services, Applied Machine Learning, AI literacy, Machine Learning, Digital Transformation
★ 4.6 (3.8K) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Month End Closing, Balancing (Ledger/Billing), Variance Analysis, Fraud detection, Expense Management, Bookkeeping, Generally Accepted Accounting Principles (GAAP), Record Keeping, Reconciliation, Income Statement, Data Validation, Payroll Systems, Expense Reports, Financial Statements, Payroll Processing, Business Metrics, Financial Analysis, General Ledger, Financial Reporting, Accounts Payable
★ 3.9 (14) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Advanced Analytics, Analytics, Financial Systems, FinTech, Financial Market, Big Data, Market Liquidity, Blockchain, Financial Services, International Finance, Financial Regulations, Financial Data, Financial Management, Credit Risk, Financial Regulation, Banking, Finance, Banking Services, Risk Management, Digital Transformation
Mixed · Course · 1 - 3 Months