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: Data Quality, Data Cleansing, Computer Vision, Data Preprocessing, Visualization (Computer Graphics), Image Analysis, Deep Learning, Data Manipulation, Model Evaluation, Applied Machine Learning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Supervised Learning, Computer Vision, Recurrent Neural Networks (RNNs), Machine Learning Methods, Convolutional Neural Networks, Matplotlib, Data Visualization, Probability & Statistics, Deep Learning, Classification Algorithms, Artificial Intelligence, Plotly, Statistical Analysis, Data Visualization Software, Statistical Hypothesis Testing, Machine Learning, Seaborn, Applied Machine Learning, Digital Signal Processing, Statistical Inference
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Database Design, MySQL Workbench, MySQL, Relational Databases, SQL, Database Management, Data Manipulation, Data Migration, User Acceptance Testing (UAT), Scalability
Intermediate · Guided Project · Less Than 2 Hours
Codio
Skills you'll gain: Apache Maven, JSON, JUnit, Java Programming, Java, Restful API, Integrated Development Environments, Programming Principles, Data Structures, Object Oriented Programming (OOP), Network Protocols, Unit Testing, Style Guides
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Software Documentation, API Testing, Test Automation, Generative AI, Software Testing, AI Security, Vulnerability Assessments, Test Case, Secure Coding, Full-Stack Web Development, LLM Application, Technical Documentation
Beginner · Course · 1 - 4 Weeks

Skillshare
Skills you'll gain: Packaging and Labeling, Brand Strategy, Competitive Analysis, Presentations, Content Creation, Target Audience, Logo Design, Storytelling, Branding, Product Design, Design Strategies, Social Media, Design, Marketing Design, Design Thinking, Brand Awareness, Adobe Illustrator, Social Media Marketing, Storyboarding, Visual Design
Beginner · Specialization · 3 - 6 Months

O.P. Jindal Global University
Skills you'll gain: Digital Marketing, Web Analytics, Digital Advertising, Search Engine Marketing, Online Advertising, Google Analytics, Search Engine Optimization, Google Ads, Marketing Channel, Social Media Marketing, Marketing Strategies, Keyword Research, Marketing Planning, Paid media, Marketing Analytics, Social Media Campaigns, Social Media, Advertising, Blogs, Emerging Technologies
Beginner · Course · 1 - 3 Months

Skills you'll gain: Disaster Recovery, Data Validation, Business Continuity, Security Controls, Risk Mitigation, Project Management, Risk Management, System Testing, Technical Management, System Implementation, Data Integrity, Software Development Methodologies
Intermediate · Course · 1 - 4 Weeks

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

Splunk Inc.
Skills you'll gain: Splunk, Correlation Analysis, Performance Tuning, Data Manipulation, Data Analysis, Data Modeling, Big Data, Transaction Processing, Data Science, Business Analytics, Data Visualization
Beginner · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Application Deployment, Object-Relational Mapping, Model View Controller, Database Management, UI Components, PostgreSQL, Databases, Full-Stack Web Development, Web Development, Web Applications, Authentications, Development Environment, Authorization (Computing), Application Frameworks, Cascading Style Sheets (CSS), File Management
Intermediate · Course · 3 - 6 Months

Whizlabs
Skills you'll gain: AWS Identity and Access Management (IAM), Identity and Access Management, Amazon Web Services, Amazon S3, Authorization (Computing), Role-Based Access Control (RBAC), Authentications, Single Sign-On (SSO), User Accounts, Data Security, Multi-Factor Authentication, Encryption
Intermediate · Course · 1 - 4 Weeks