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 Evaluation, Keras (Neural Network Library), Model Training, Tensorflow, Image Analysis, Artificial Neural Networks, Applied Machine Learning, Network Model, Deep Learning, Computer Vision, Machine Learning, Network Architecture
★ 4.6 (848) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Authorization (Computing), Hardening, Data Storage, Data Security, Security Controls, Data Storage Technologies, Role-Based Access Control (RBAC), Identity and Access Management, Application Security, Information Assurance, Software Installation, Endpoint Security, Disaster Recovery, Information Systems Security, Data Management, Enterprise Security, System Configuration, Infrastructure Security, Computer Hardware
★ 4.7 (161) · Beginner · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Data Ethics, Data Validation, Data Management, Data Collection, Data Analysis, Algorithms, Social Impact, Bayesian Statistics, Policy Analysis
★ 4.7 (1.3K) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Content Scheduling, Marketing Strategies, Personalized Campaigns, Data-Driven Marketing, Promotional Strategies, Marketing Planning, Adobe Express, Marketing Strategy and Techniques, Social Media Content, Digital Marketing Campaigns, Cross-Channel Marketing, Marketing Channel, Digital Marketing, Social Media Marketing, Content Strategy, Brand Marketing, Market Research, Graphic and Visual Design, Generative AI, Performance Analysis
★ 4.8 (814) · Beginner · Specialization · 1 - 3 Months

University of Pittsburgh
Skills you'll gain: Crisis Intervention, Emergency Response, Stress First Aid, Safety and Security, Emergency Medicine, Public Safety and National Security, Mitigation, Medical Emergency, First Aid, Fire And Life Safety, Resilience, Risk Management, Security Awareness, Injury Prevention, Family Support, Triage, Disabilities, Risk Analysis, Family Planning, Composure
★ 4.7 (1.6K) · Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Tidyverse (R Package), Clinical Data Management, Extract, Transform, Load, Data Modeling, Clinical Research, R (Software), Health Insurance Portability And Accountability Act (HIPAA) Compliance, Medical Privacy, Data Manipulation, Predictive Modeling, Database Design, Clinical Research Ethics, Data Mapping, Clinical Informatics, Data Quality, Natural Language Processing, grep, Informatics, Text Mining, R Programming
★ 4.4 (501) · Intermediate · Specialization · 3 - 6 Months

University of California, Santa Cruz
Skills you'll gain: Bayesian Statistics, Statistical Modeling, Statistical Methods, Model Evaluation, Markov Model, Statistical Analysis, Statistical Software, Sampling (Statistics), Regression Analysis, R Programming, Simulations, Statistical Inference, Probability Distribution
★ 4.8 (497) · Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Cryptography, Brute-force attacks, Cryptographic Protocols, Encryption, Key Management, Cybersecurity, Computer Security, Information Assurance, Theoretical Computer Science, Threat Modeling, Communication Systems
★ 4.5 (551) · Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Model Context Protocol, Tool Calling, AI Integrations, Vector Databases, Agentic Workflows, Database Architecture and Administration, AI Security, LLM Application, Operational Databases, SQL, Generative AI Agents, Databases, Query Languages, Data Access, Embeddings, Retrieval-Augmented Generation, Agentic systems, System Implementation, Verification And Validation
Advanced · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Cyber Security Policies, Information Systems Security, Human Factors (Security), Computer Security, Network Security, Cybersecurity, Security Awareness, Vulnerability, Threat Modeling, Policy Analysis, Political Sciences, Security Controls, Public Policies, Public Safety and National Security, Safety and Security, Human Factors, Authentications, Data Integrity, Usability, Software Testing
★ 4.8 (172) · Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Angular, JavaScript Frameworks, UI Components, Data Transformation, User Interface (UI), Dataflow, Hypertext Markup Language (HTML), Code Reusability, Application Frameworks, Network Routing, Cascading Style Sheets (CSS)
★ 4.2 (15) · Beginner · Course · 1 - 4 Weeks

Tecnológico de Monterrey
Skills you'll gain: Social Media, Social Media Marketing, Social Media Strategy, Social Media Management, Social Network Analysis, Social Media Analytics, Digital Media Strategy, Media and Communications, Marketing, Global Marketing, Media Strategy, Customer Engagement, Consumer Behaviour
★ 4.4 (2.6K) · Beginner · Course · 1 - 3 Months