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, Irvine
Skills you'll gain: Systems Development, Systems Development Life Cycle, Agile Methodology, Productivity Software, digital literacy, Network Security, Computer Hardware, Computer Systems, Data Security, Risk Management, System Design and Implementation, TCP/IP, Information Technology, Software Development Methodologies, Data Ethics, Cybersecurity, General Networking, Productivity, Safety and Security, Process Design
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Exploratory Data Analysis, Data Storytelling, Ggplot2, Data Analysis, Regression Analysis, R Programming, Statistical Analysis, Data Visualization Software, Statistical Visualization, Data Quality, Anomaly Detection, Descriptive Statistics, Correlation Analysis, Data Manipulation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Predictive Modeling, Model Evaluation, Data Visualization, Statistical Analysis, Predictive Analytics, Feature Engineering, Data Mining, Statistical Modeling, Risk Modeling, R Programming, Data Manipulation, Business Analytics, Data Analysis, Decision Tree Learning, Data Preprocessing, Data Cleansing, Probability & Statistics, Transaction Processing, Applied Machine Learning, Machine Learning
Beginner · Specialization · 1 - 3 Months

AI CERTs
Skills you'll gain: AI Personalization, Education Software and Technology, AI Enablement, Education and Training, Artificial Intelligence and Machine Learning (AI/ML), Generative AI, Learning Management Systems, Generative AI Agents, Adult Education, Educational Materials, Childhood Education and Development, Special Education, Driving engagement, Learning Strategies, Natural Language Processing
Intermediate · Course · 1 - 3 Months

National Taiwan University
Skills you'll gain: Operations Research, Mathematical Modeling, Process Optimization, Report Writing, Network Model, Applied Mathematics, Process Improvement and Optimization, Business Modeling, Industrial Engineering, Linear Algebra, Numerical Analysis, Operations Management, Applied Machine Learning, Resource Allocation, Case Studies, Engineering Calculations, Algorithms, Feasibility Studies, Project Design, Business Analytics
Beginner · Specialization · 3 - 6 Months

University of Minnesota
Skills you'll gain: Enterprise Resource Planning, Business Systems Analysis, Systems Analysis, Requirements Analysis, Cybersecurity, Business Requirements, Business Analysis, Business Systems, Cloud Computing, Cloud Services, Change Management, Business Technologies, Information Technology, Organizational Change, Technology Strategies, Process Flow Diagrams, System Implementation, Governance, Project Management, Critical Thinking
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Agentic systems, OpenAI API, AI Workflows, Real Time Data, Tool Calling, Prompt Engineering, Application Programming Interface (API), Software Architecture, Systems Integration, Application Security
Intermediate · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Feature Engineering, Model Evaluation, Applied Machine Learning, Supervised Learning, Scikit Learn (Machine Learning Library), Predictive Modeling, Machine Learning, Decision Tree Learning, Unsupervised Learning, Python Programming, Random Forest Algorithm, Regression Analysis, Classification Algorithms, Artificial Neural Networks
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Paid media, Marketing Materials, Instagram, Advertising, Social Media, Facebook, Social Media Campaigns, Social Media Marketing, Social Media Content, Digital Advertising, Content Creation, Copywriting, Campaign Management, Information Privacy, Target Audience, Data Collection, Brand Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Drive Engagement, Instagram, Community Development, Social Media Content, Content Strategy, Content Creation, Growth Strategies, Social Media Marketing, Scheduling, Social Media Strategy, Target Audience, Relationship Building, Product Promotion
Beginner · Course · 1 - 4 Weeks

28DIGITAL
Skills you'll gain: Computer Security Awareness Training, Cyber Risk, User Accounts, Exploitation techniques
Beginner · Course · 1 - 3 Months

Skills you'll gain: Transaction Processing, Data Lakes, Data Architecture, Databricks, Data Infrastructure, Data Pipelines, Data Warehousing, Database Architecture and Administration, Data Integration, Apache Spark, Data Processing, Real Time Data, Big Data, Data Integrity, Scalability, Performance Tuning, Data Management, SQL
Intermediate · Course · 1 - 4 Weeks