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.

Duke University
Skills you'll gain: Blockchain, Digital Assets, Portfolio Risk, Portfolio Management, Cryptography, Investments, Asset Protection, Market Dynamics, Cryptographic Protocols, FinTech, Financial Systems, Payment Systems, Financial Market, Financial Regulations, Securities (Finance), Transaction Processing, Financial Policy, Bank Regulations, Financial Regulation, Key Management
★ 5 (16) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Instagram, Meta Ads Manager, Advertising Campaigns, Social Media Management, Social Media, Advertising, Social Media Marketing, Social Media Campaigns, Online Advertising, Social Media Content, Digital Advertising, E-Commerce, Account Management
★ 4.4 (48) · Intermediate · Guided Project · Less Than 2 Hours

KodeKloud
Skills you'll gain: Cloud Computing, Cloud Solutions, Cloud Engineering, Amazon CloudWatch, Cloud Computing Architecture, Identity and Access Management, Data Migration
Beginner · Course · 1 - 3 Months

Skills you'll gain: Computer Hardware, Operating Systems, Desktop Support, Hardware Architecture, Network Troubleshooting, Databases, Technical Support and Services, Hardware Troubleshooting, Information Technology, Package and Software Management, Technical Support, Information Technology Operations, System Support, Database Management Systems, Computer Systems, Operating System Administration, System Configuration, Security Controls, Information Systems Security, Patch Management
★ 3.8 (6) · Beginner · Course · 3 - 6 Months

University of Michigan
Skills you'll gain: Public Health
★ 4.9 (8) · Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Software Design Documents, Data Flow Diagrams (DFDs), User Requirements Documents, Functional Requirement, Software Documentation, Diagram Design, Unified Modeling Language, Functional Specification, Requirements Analysis, System Requirements, Technical Documentation, Data Modeling, Systems Analysis, Security Requirements Analysis, Process Modeling, Computational Logic
★ 4.3 (59) · Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Linux Commands, Linux, Command-Line Interface, File Management, Unix Shell, Linux Administration, Package and Software Management, DevOps
★ 4.5 (160) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Prompt Engineering, Prompt Engineering Tools, API Testing, Test Automation, Test Script Development, Prompt Patterns, Test Tools, Claude Code, Software Testing, Test Case, AI Integrations, Functional Testing, Quality Assurance, GitHub Copilot, Application Programming Interface (API), Restful API, Test Data, Automation, AI Security, Debugging
★ 4.4 (10) · Intermediate · Course · 1 - 3 Months

Duke University
Skills you'll gain: Payment Systems, Risk Analysis, Blockchain, Risk Management Framework, Risk Management, FinTech, Market Liquidity, Cyber Risk, Financial Systems, Financial Regulation, Digital Assets, Bank Regulations, Liquidation, Distributed Denial-Of-Service (DDoS) Attacks, Financial Analysis, Regulatory Compliance, Asset Management, Agentic systems, Governance, Market Dynamics
★ 5 (23) · Beginner · Course · 1 - 3 Months

Princeton University
Skills you'll gain: Health Disparities, Food and Beverage, Health Equity, Social Justice, Sustainable Systems, Ethical Standards And Conduct, Nutrition and Diet, International Relations, Environmental Issue, Policy Analysis, Sustainable Development, Cultural Diversity, Cultural Sensitivity
★ 4.6 (110) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Target Audience, Facebook, Target Market, Advertising Campaigns, Advertising Sales, Advertising, Online Advertising, Marketing, Social Media, Customer Data Management, Digital Marketing
★ 4.4 (60) · Advanced · Guided Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: No-Code Development, Application Performance Management, Application Development, Security Controls, Authorization (Computing), Authentications, Application Lifecycle Management, Web Services, Data Management, Application Programming Interface (API), Restful API, Role-Based Access Control (RBAC), Webhook Security, Application Security, Scalability, Software Versioning, Automation, Debugging
★ 4.7 (22) · Intermediate · Course · 1 - 3 Months