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: Fine-tuning, Generative Model Architectures, Deep Learning, Autoencoders, Generative AI, Model Optimization, Artificial Neural Networks, Generative Adversarial Networks (GANs), Applied Machine Learning, Artificial Intelligence and Machine Learning (AI/ML), Model Training, Network Architecture, Model Evaluation, Anomaly Detection, Computer Vision, Predictive Modeling
Advanced · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Stored Procedure, PL/SQL, Relational Databases, Object-Relational Mapping, SQL, Data Access, Java Platform Enterprise Edition (J2EE), Databases, Database Design, Data Persistence, Object Oriented Design, Java, Data Manipulation, Data Mapping, Java Programming, Database Development, JUnit, Object Oriented Programming (OOP), Database Management Systems, Database Software
★ 4.7 (56) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Email Marketing, Paid media, Target Audience, Data Storytelling, Social Media Marketing, Social Media Strategy, Content Creation, Target Market, Search Engine Optimization, Social Media, Marketing Budgets, Order Fulfillment, Media Planning, Search Engine Marketing, Customer Retention, Customer Relationship Management, Online Advertising, Digital Media Strategy, Email Automation, Marketing
★ 4.8 (4.7K) · Beginner · Professional Certificate · 3 - 6 Months

Packt
Skills you'll gain: Secure Coding, Java Programming, Maintainability, Hardening, Java, Software Design Patterns, Application Security, Software Design, Data Structures, Object Oriented Design, Software Architecture, Performance Tuning, Memory Management, API Design, Code Reusability, Object Oriented Programming (OOP), Web Servers, Application Programming Interface (API), Software Development, Virtualization
Intermediate · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: Google Docs, Gmail, Google Sheets, Google Workspace, Presentations, Calendar Management, File Management, Spreadsheet Software, Productivity Software, Email Security, Email Automation, Collaborative Software, Excel Formulas, Data Visualization, Document Management, Data Validation, Setting Appointments, Meeting Facilitation, Sales Presentations, Version Control
★ 4.7 (3.2K) · Beginner · Specialization · 3 - 6 Months

University of California, Irvine
Skills you'll gain: Object Oriented Programming (OOP), C (Programming Language), Python Programming, Data Import/Export, Memory Management, File I/O, Computational Logic, Network Protocols, Package and Software Management
★ 4.6 (2.5K) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Programming (OOP), File I/O, Data Persistence, Object Oriented Design, Java, Java Programming, File Management, Memory Management, Code Reusability, Application Development, Maintainability, Computer Programming, Software Design, Development Environment, Program Development, Application Design, Programming Principles, Computer Programming Tools, Data Structures, Integrated Development Environments
★ 4.6 (247) · Beginner · Specialization · 3 - 6 Months

Duke University
Skills you'll gain: Sampling (Statistics), Exploratory Data Analysis, R (Software), Probability & Statistics, Statistical Inference, Probability Distribution, Bayesian Statistics, R Programming, Data Analysis, Probability, Statistics, Statistical Methods, Statistical Analysis, Statistical Software, Descriptive Statistics
★ 4.7 (5.9K) · Beginner · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Network Analysis, Social Network Analysis, Data Wrangling, Natural Language Processing, Web Scraping, Data Cleansing, Social Sciences, Data Ethics, Databases, Artificial Intelligence, Research, Social Media Analytics, Simulations, Data Processing, Text Mining, Big Data, Applied Machine Learning, Systems Thinking, Data Science, Agentic systems
★ 4.6 (1.3K) · Beginner · Specialization · 3 - 6 Months

SkillsBooster Academy
Skills you'll gain: ChatGPT, Email Automation, Agentic Workflows, Generative AI Agents, AI Orchestration, Agentic systems, Prompt Patterns, Artificial Intelligence and Machine Learning (AI/ML), Operational Efficiency, Prompt Engineering, Responsible AI, Workflow Management, Artificial Intelligence, AI Integrations, Scalability, Automation, AI Security, Generative AI, Team Collaboration, Business
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Data Maintenance, Data Processing, Google Cloud Platform, Data Storage, Data Pipelines, Systems Design, Data Architecture, Data Preprocessing, Data Management, Data Analysis, Data Collection, Data Security, Automation
Advanced · Course · 1 - 3 Months

Kennesaw State University
Skills you'll gain: Cyber Governance, Risk Management Framework, Risk Analysis, Risk Management, Threat Management, Threat Modeling, Business Risk Management, Enterprise Risk Management (ERM), Cyber Risk, Security Management, Governance, Cybersecurity, Cyber Security Strategy, Analysis, Security Strategy, Asset Management, Cyber Security Assessment, Information Technology
★ 4 (10) · Intermediate · Course · 1 - 3 Months