Internet Security courses can help you learn about network security protocols, encryption techniques, and threat detection methods. You can build skills in risk assessment, incident response, and implementing security policies. Many courses introduce tools like firewalls, intrusion detection systems, and antivirus software, demonstrating how these tools are used to protect sensitive data and maintain system integrity.

University of California San Diego
Skills you'll gain: Big Data, Apache Hadoop, Scalability, Data Processing, Data Science, Distributed Computing, Unstructured Data, Data Analysis
Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: Keyword Research, Search Engine Optimization, Web Analytics and SEO, Digital Marketing, Auditing, Software Development Tools, Paid media, Test Tools, Performance Analysis, Process Optimization, Performance Improvement, Performance Appraisal, Prioritization
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Brand Awareness, Performance marketing, Digital Advertising, Marketing Effectiveness, Online Advertising, Advertising Campaigns, Marketing Psychology, Marketing Analytics, Advertising, Brand Management, Branding, Performance Analysis, Customer Insights, Data-Driven Decision-Making, Survey Creation, Performance Measurement, Business Metrics, Target Audience, Analysis
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Incident Response, AI Security, Incident Management, Model Deployment, Site Reliability Engineering, Patch Management, MLOps (Machine Learning Operations), System Monitoring, Problem Management, Computer Security Incident Management, Responsible AI, Continuous Monitoring, Dependency Analysis, Disaster Recovery, Anomaly Detection, Application Deployment, Automation, Dashboard
Intermediate · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Prompt Engineering, Large Language Modeling, Database Design, LLM Application, Software Documentation, Software Design Patterns, Collaborative Software, Software Testing, OpenAI API, Application Design, Generative AI, Database Management, AI Enablement, Code Review, Software Architecture, System Design and Implementation, Dependency Analysis, Software Engineering, Software Development, Machine Learning
Beginner · Professional Certificate · 1 - 3 Months

University of Arizona
Skills you'll gain: Integrated Marketing Communications, Advertising, Marketing Communications, Media Strategy, Customer experience strategy (CX), Paid media, Owned Media, Customer Advocacy, Marketing, Digital Media Strategy, Earned Media, Search Engine Optimization, Customer Engagement, Content Development and Management, Goal Setting, Brand Awareness
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Patterns, Salesforce, Artificial Intelligence, Generative AI Agents, Agentic systems, Customer Relationship Management (CRM) Software
Beginner · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Return On Investment, Investments, Payment Systems, Transaction Processing, Income Tax, Digital Assets, FinTech, Business-To-Consumer, E-Commerce
Mixed · Course · 1 - 4 Weeks
University of London
Skills you'll gain: Computer Science, Debugging, Development Environment, Computer Systems, Web Applications, Arithmetic, Computer Literacy, Javascript, Network Security, Computer Networking, Computer Programming Tools, Applied Mathematics, Computer Graphics, Web Design and Development, Software Development Tools, Cybersecurity, Computational Thinking, Computer Programming, General Mathematics, Problem Solving
Build toward a degree
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Database Design, Apache Spark, SQL, Data Transformation, Performance Tuning, Disaster Recovery, Database Management, PySpark, Query Languages, Infrastructure as Code (IaC), Data Architecture, Cloud Computing Architecture, Data Warehousing, Distributed Computing, Data Pipelines, Performance Analysis, Scalability, Root Cause Analysis, Cost Management, Resource Management
Intermediate · Specialization · 3 - 6 Months

Alex Genadinik
Skills you'll gain: Blockchain, Digital Assets, Cryptography, FinTech, Risk Analysis, Market Liquidity, Investments, Asset Management, Return On Investment, Risk Management, Portfolio Management
Mixed · Course · 1 - 3 Months

Skills you'll gain: Data Analysis Expressions (DAX), Power BI, Data Modeling, Interactive Data Visualization, Azure Synapse Analytics, Database Design, Enterprise Architecture, Business Reporting, Microsoft Azure, Business Intelligence, Enterprise Security, Data Lakes, Data Governance, Solution Architecture, Data Management, Performance Analysis, Analytics, Governance, Regulation and Legal Compliance, Automation
Intermediate · Professional Certificate · 3 - 6 Months