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, Davis
Skills you'll gain: Threat Modeling, Open Web Application Security Project (OWASP), Secure Coding, Cryptography, Authentications, Exploit development, Encryption, Penetration Testing, Security Strategy, Security Testing, Data Security, Application Security, Exploitation techniques, Software Design, C and C++, Linux Administration, System Design and Implementation, Java, Programming Principles, Cybersecurity
★ 4.5 (617) · Intermediate · Specialization · 3 - 6 Months

The Hong Kong University of Science and Technology
Skills you'll gain: Requirements Analysis, Unified Modeling Language, Object Oriented Design, Functional Requirement, Data Modeling, Object Oriented Programming (OOP), Systems Development Life Cycle, System Requirements, Functional Specification, Diagram Design, Software Development, Software Engineering, Software Systems, Verification And Validation, Software Documentation, Model Evaluation, Project Planning, Project Management
★ 4.6 (392) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: ISO/IEC 27001, Auditing, Audit Planning, Security Controls, Cyber Security Policies, Security Management, Information Systems Security, Information Assurance, Risk Management, Risk Management Framework, Identity and Access Management, Record Keeping, Information Technology
★ 4.2 (10) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Security Software, Software Installation, Virtual Machines
★ 4.8 (13) · Beginner · Course · 1 - 3 Months

Vanderbilt University
Skills you'll gain: AI Orchestration, Agentic Workflows, OpenAI API, Generative AI Agents, LLM Application, Prompt Patterns, AI Workflows, Prompt Engineering, Agentic systems, AI Security, Business Logic, File I/O, Transaction Processing, Software Architecture, Memory Management
★ 4.7 (138) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Cyber Governance, Cyber Security Policies, Cybersecurity, Intrusion Detection and Prevention, Cryptography, Security Management, Cyber Security Strategy, Network Security, Cryptographic Protocols, Cyber Attacks, Threat Modeling, Cyber Security Assessment, Vulnerability Assessments, Encryption, Cyber Risk, Threat Detection, Vulnerability Scanning, Threat Management, Incident Response, Risk Management Framework
★ 3.3 (18) · Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Identity and Access Management, Google Cloud Platform, Cloud API, User Accounts, Application Programming Interface (API), Cloud Services, Role-Based Access Control (RBAC), Cloud Platforms, Cloud Storage
★ 4.7 (303) · Beginner · Project · Less Than 2 Hours

Erasmus University Rotterdam
Skills you'll gain: Legal Risk, Law, Regulation, and Compliance, Legal Technology, Emerging Technologies, Cyber Governance, Arbitration, Market Dynamics, Litigation and Civil Justice, Digital Analysis, Court Systems, Adjudication, E-Commerce, Political Sciences, Competitive Analysis, Automation, Digital Transformation, Data Ethics, Intellectual Property, Economics, Policy, and Social Studies, Public Administration
★ 4.6 (202) · Beginner · Course · 1 - 3 Months

Meta
Skills you'll gain: React Native, Mobile Development, Cross Platform Development, UI Components, Mobile Development Tools, Application Development, React.js, Front-End Web Development, User Interface (UI), Interactive Design, Development Environment
★ 4.7 (405) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Customer Insights, Digital Marketing, Digital Advertising, Digital Media Strategy, Customer Analysis, Marketing Strategies, Customer experience strategy (CX), Online Advertising, Strategic Marketing, Marketing Planning, Digital Analysis, Digital Marketing Campaigns, Content Marketing, Data-Driven Marketing, Journey Mapping, Target Audience, Personalized Service, Marketing Analytics, Campaign Planning, Brand Marketing
★ 4.7 (258) · Beginner · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Cyber Threat Intelligence, Cyber Operations, Cyber Threat Hunting, Threat Modeling, Cybersecurity, Cyber Security Strategy, Network Security, MITRE ATT&CK Framework, Intrusion Detection and Prevention, Cyber Attacks, Linux Commands, Linux, Cyber Engineering, Network Administration, Operating System Administration, Hardening, Network Monitoring, Exploitation techniques, Security Awareness, Operating Systems
★ 4.7 (6) · Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Invoicing, Billing & Invoicing, Inventory Management, Inventory Management System, Tax Management, Accounting Software, Customer Relationship Management, Billing, Customer Relationship Management (CRM) Software, Sales Tax, Small Business Accounting, Accounting and Finance Software, Accounting, Security Controls, Payroll Systems
★ 4.5 (86) · Beginner · Guided Project · Less Than 2 Hours