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.

Duke University
Skills you'll gain: Web Scraping, Data Ethics, Data Transformation, Tidyverse (R Package), Data Wrangling, Data Cleansing, Data Manipulation, Data Collection, Data Pipelines, Data Preprocessing, Personally Identifiable Information, Data Integrity, R Programming, Exploratory Data Analysis, Information Privacy, Statistical Programming
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Advertising, Instagram, Marketing Materials, Content Creation, Social Media Content, Facebook, Social Media Marketing, Design, Graphic Design
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Transfer Learning, Keras (Neural Network Library), Embeddings, Deep Learning, Image Analysis, Computer Vision, Natural Language Processing, Data Preprocessing
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Usability, User Experience Design, User Centered Design, Usability Testing, Technical Documentation, Bioinformatics, End User Training and Support, Clinical Informatics, Technical Writing, Product Development, Writing
Intermediate · Course · 1 - 3 Months

Amazon Web Services
Skills you'll gain: Amazon Web Services, Database Administration, Relational Databases, Database Software, IT Automation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Animations, Figma (Design Software), Photo Editing, User Accounts, Social Media Marketing
Beginner · Guided Project · Less Than 2 Hours

University of Maryland, College Park
Skills you'll gain: Data-Driven Decision-Making, Business Transformation, Digital Transformation, Business Analytics, Strategic Decision-Making, Analytics, Business Intelligence, Microsoft Power Platform, Data Quality, AI Enablement, No-Code Development, Big Data, Strategic Leadership, Advanced Analytics, Business Modeling, Artificial Intelligence, Competitive Analysis, Employee Engagement, Strategic Communication, Deep Learning
Beginner · Course · 1 - 3 Months

Northeastern University
Skills you'll gain: Responsible AI, Human Centered Design, Human Computer Interaction, Generative AI, Interaction Design, User Interface (UI), Data Ethics, Artificial Intelligence, Conceptual Design, Machine Learning, Deep Learning
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Data Management, Data Loss Prevention, Data Security, Google Cloud Platform, Personally Identifiable Information, Big Data, Identity and Access Management
Intermediate · Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Scientific Visualization, Data Visualization Software, Data Visualization, Visualization (Computer Graphics), Interactive Data Visualization, Computer Displays, Data Presentation, Time Series Analysis and Forecasting, Display Devices, Scalability, Data Validation, Computer Graphics, 3D Modeling, Medical Imaging, X-Ray Computed Tomography, Magnetic Resonance Imaging
Intermediate · Course · 1 - 3 Months
Skills you'll gain: Generative AI, Retrieval-Augmented Generation, Large Language Modeling, Responsible AI, Data Ethics, Generative Adversarial Networks (GANs), Agentic systems, AI Security, Discussion Facilitation, Business Ethics, Embeddings, Regulatory Compliance, Case Studies, Data Synthesis, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, SAS (Software), AI Workflows, Analytics, Machine Learning
Beginner · Specialization · 3 - 6 Months

Cisco Learning and Certifications
Skills you'll gain: Virtual Private Networks (VPN), Wide Area Networks, System Configuration
Beginner · Course · 1 - 3 Months