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: Model Optimization, Fine-tuning, Multimodal Prompts, Generative Model Architectures, PyTorch (Machine Learning Library), Model Training, Data Processing, Tensorflow, Knowledge Transfer, Keras (Neural Network Library), Deep Learning, Artificial Neural Networks
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Email Security, Microsoft Outlook, Calendar Management, Gmail, Meeting Facilitation, Organizational Skills, Microsoft Office, Google Workspace, Scheduling, Encryption, Productivity Software
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Linux, Package and Software Management, Linux Administration, Red Hat Enterprise Linux, Linux Commands, User Accounts, Operating System Administration, User Provisioning, OS Process Management, Bash (Scripting Language), Command-Line Interface, File Management, Unix Shell, Shell Script, Identity and Access Management, File Systems, System Monitoring, System Support, Network Administration, General Networking
Beginner · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Web Scraping, Git (Version Control System), Test Script Development, Scripting, Version Control, Test Automation, IT Automation, Email Automation, Test Tools, Software Testing, Cloud API, Scripting Languages, Automation, Restful API, Application Programming Interface (API), Data Ethics, Scalability, Python Programming, File I/O, Productivity
Beginner · Course · 1 - 3 Months

Columbia University
Skills you'll gain: Portfolio Management, Investment Management, Portfolio Risk, Asset Management, Investments, Risk Modeling, Estimation, Market Liquidity, Risk Management, Financial Market, Financial Trading, Model Optimization, Equities, Securities (Finance), Statistical Methods, Risk Analysis, Securities Trading, Market Dynamics, Sampling (Statistics), Financial Analysis
Intermediate · Course · 1 - 3 Months

Skills you'll gain: TikTok, Content Performance Analysis, Data-Driven Marketing, Online Advertising, Performance Measurement, Advertising, Advertising Campaigns, Digital Advertising, Marketing Analytics, Key Performance Indicators (KPIs), Marketing, Marketing Strategies, E-Commerce, Social Media Marketing, Social Media Analytics, Campaign Management, Product Promotion, Market Analysis
Beginner · Course · 1 - 4 Weeks
Amazon Web Services
Skills you'll gain: Prompt Engineering, Amazon Bedrock, AI Workflows, Agentic Workflows, Generative AI Agents, Generative AI, Amazon Web Services, AI Orchestration, Solution Architecture, AI Integrations, Artificial Intelligence, Data Quality, Model Optimization, Computer Vision, Fine-tuning, Scalability, Natural Language Processing, Data Pipelines
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Public Key Infrastructure, Encryption, Cryptography, Cybersecurity, Data Security, Cryptographic Protocols, Advanced Encryption Standard (AES), Key Management, Data Encryption Standard, Blockchain, Algorithms, Data Integrity
Intermediate · Course · 1 - 4 Weeks

Imperial College London
Skills you'll gain: Epidemiology, Infection Control, Infectious Diseases, Mathematical Modeling, Public Health and Disease Prevention, Public Health, R Programming, Differential Equations
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Tensorflow, Convolutional Neural Networks, Applied Machine Learning, Image Analysis, Python Programming, Jupyter, Artificial Neural Networks, Deep Learning, Software Visualization, Machine Learning
Intermediate · Guided Project · Less Than 2 Hours

Universidade de São Paulo
Skills you'll gain: Network Analysis, Social Network Analysis, Data Visualization, Scientific Visualization, Network Model, Graphing, Graph Theory, Exploratory Data Analysis, Environmental Science, R (Software), Data Analysis, R Programming, Data Science, Data Processing
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Telehealth, Patient Safety, Health Technology, Medical Equipment and Technology, Help Desk Support, Technical Support, Information Technology Operations, Health Care, Issue Tracking, Network Support, Change Control, Medical Devices, Electronic Medical Record, Change Requests, Disaster Recovery, Technical Documentation, Accident Prevention, Software Installation, General Networking
Mixed · Course · 1 - 4 Weeks