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.

Johns Hopkins University
Skills you'll gain: Penetration Testing, MITRE ATT&CK Framework, Metasploit, Public Key Infrastructure, Exploit development, Exploitation techniques, Cybersecurity, Cryptography, Mobile Security, Cryptographic Protocols, Security Testing, Vulnerability Scanning, Application Security, Network Security, Operating Systems, Encryption, Hardening, Vulnerability Assessments, Computer Security, Web Applications
★ 4 (20) · Intermediate · Specialization · 3 - 6 Months

École Polytechnique
Skills you'll gain: Research Methodologies, Research, Science and Research, Document Management, Record Keeping, Data Collection, Query Languages, Database Management, Information Management, Intellectual Property
★ 4.6 (229) · Beginner · Course · 1 - 4 Weeks

STARWEAVER
Skills you'll gain: Customer experience improvement, Revenue Management, Customer experience strategy (CX), Service Design, Design Thinking, Change Management, Social Media Analytics, Hospitality Services, Capital Expenditure, Organizational Change, Content Creation, Hospitality Management, Financial Forecasting, Finance, Operations Management, Search Engine Optimization, Prototyping, Strategic Planning, Capital Budgeting, Key Performance Indicators (KPIs)
★ 4.4 (131) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Swift Programming, Apple Xcode, iOS Development, Apple iOS, Data Structures, Programming Principles, Mobile Development, Code Reusability, Data Storage, Application Development, Object Oriented Programming (OOP), Development Environment, Computer Programming, Web Development
★ 4.7 (275) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Social Media Campaigns, Digital Marketing Tools, Social Media, Social Media Marketing, Paid media, Digital Media Strategy, Digital Marketing Campaigns, Online Advertising, Campaign Management, Search Engine Marketing, Social Media Strategy, Digital Marketing, Pay Per Click Advertising, Campaign Planning, Marketing Strategy and Techniques, Owned Media, Earned Media, Marketing Design, Analytics
★ 4.7 (1K) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Incident Response, Disaster Recovery, Incident Management, Computer Security Incident Management, Business Continuity, Business Continuity Planning, Intrusion Detection and Prevention, Cyber Attacks, Cyber Security Policies, Investigation, Threat Detection, Contingency Planning, Digital Forensics
★ 4.6 (51) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Quality Monitoring, Cloud API, Application Programming Interface (API), Cloud Hosting, Webhook Security, Account Management, Business Communication, Data Migration
★ 4.5 (107) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Code Reusability, Kotlin, Object Oriented Programming (OOP), Programming Principles, Object Oriented Design, Android Development, Data Structures, Computer Programming, Mobile Development
★ 4.7 (346) · Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Advertising, Media and Communications, Advertising Campaigns, Online Advertising, Digital Advertising, Electronic Media, Culture, Marketing Psychology, Diversity Marketing, Consumer Behaviour, Ethical Standards And Conduct
★ 4.8 (988) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Computer Security Incident Management, Vulnerability Assessments, Cyber Operations, Cyber Threat Intelligence, Cybersecurity, Cyber Attacks, Cyber Security Strategy, IT Security Architecture, MITRE ATT&CK Framework, Cyber Threat Hunting, Threat Detection, Cyber Security Assessment, Network Security, Security Information and Event Management (SIEM), DevSecOps, Malware Protection, Security Management, Cloud Security, Encryption, Authentications
★ 4.4 (29) · Intermediate · Specialization · 1 - 3 Months

UNSW Sydney (The University of New South Wales)
Skills you'll gain: Requirements Analysis, Requirements Management, Business Requirements, Technical Writing, Product Requirements, Engineering Documentation, Business Writing, System Requirements, Project Documentation, Editing, Systems Engineering
★ 4.6 (359) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AI Security, AI Integrations, Agentic Workflows, Responsible AI, Authorization (Computing), JSON, Agentic systems, Context Management, Requirements Elicitation, Application Servers
★ 4.6 (56) · Intermediate · Course · 1 - 4 Weeks