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.

Erasmus University Rotterdam
Skills you'll gain: Analysis, Data Analysis, Statistical Reporting, Analytical Skills, Exploratory Data Analysis, Quantitative Research, Statistical Analysis, Statistical Software, Small Data, R (Software), R Programming, Sampling (Statistics), Technical Communication, Research Methodologies, Scatter Plots, Statistical Hypothesis Testing, Data Collection
Beginner · Course · 1 - 3 Months

Skills you'll gain: Oracle Databases, Oracle SQL Developer, PL/SQL, Database Administration, Database Architecture and Administration, Relational Databases, Database Management, Database Management Systems, Stored Procedure, Database Design, SQL, Data Storage, Data Management, Performance Tuning, Data Integrity, Security Controls, Authorization (Computing), Identity and Access Management, System Monitoring, User Accounts
Mixed · Course · 1 - 3 Months

University of California, Santa Cruz
Skills you'll gain: Business Communication, Entrepreneurship, Social Media Marketing, Search Engine Optimization, Web Design and Development, Marketing, Workflow Management, Business Planning, E-Commerce, Project Management, Business Strategy, Business Process, Branding, Customer Relationship Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Statistical Inference, Regression Analysis, Logistic Regression, R Programming, Statistical Analysis, Statistical Modeling, R (Software), Predictive Modeling, Model Evaluation, Statistical Hypothesis Testing, Probability Distribution, Probability
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Apache Kafka, Real Time Data, Data Pipelines, Data Processing, Operational Databases, System Monitoring, Scalability, Performance Tuning, Configuration Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Facebook, Product Promotion, Account Management, Social Media Content, E-Commerce, Social Media Marketing, Social Media, Payment Systems
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Digital Advertising, Paid media, Presentations, Social Media Campaigns, Advertising Campaigns, Digital Marketing, Web Analytics, Search Engine Optimization, Content Strategy, LinkedIn, Content Marketing, Social Media Marketing, Marketing Analytics, Target Audience, E-Commerce, Social Media Strategy, Smart Goals, Business Analysis, Market Analysis
Advanced · Course · 1 - 3 Months

Skills you'll gain: Restful API, Data Mapping, Scalability, Information Architecture, Data Management, Data Structures, Query Languages, JSON, Data Import/Export, Big Data
Beginner · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Model Evaluation, Apache Hadoop, Machine Learning Methods, Marketing Automation, Marketing Analytics, Digital Marketing, Marketing Strategies, Artificial Intelligence and Machine Learning (AI/ML), Big Data, Customer Insights, Advanced Analytics, Machine Learning, Artificial Neural Networks, Machine Learning Algorithms, Deep Learning, Predictive Analytics
Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Transfer Learning, Artificial Intelligence and Machine Learning (AI/ML), Technical Management, Machine Learning, Applied Machine Learning, Model Evaluation, Deep Learning, Debugging, Performance Tuning
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: JUnit, Test Automation, Test Tools, Test Script Development, Unit Testing, Software Testing, Continuous Integration, Performance Testing, Quality Assurance, Integration Testing, Test Case, Frontend Performance, IT Automation, Scripting, Debugging, Network Performance Management
Intermediate · Course · 1 - 4 Weeks

Fractal Analytics
Skills you'll gain: Vector Databases, Data Strategy, Data Management, Data Architecture, Data Security, Data Governance, Generative AI Agents, Metadata Management, Data Ethics, Interoperability, Data Store, Retrieval-Augmented Generation, Embeddings, Taxonomy, Data Storage, Data Processing, Large Language Modeling, Machine Learning, Zero Trust Network Access, Agentic systems
Intermediate · Course · 1 - 3 Months