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.

The State University of New York
Skills you'll gain: Web Design, Web Design and Development, WordPress, Web Language, HTML and CSS, Browser Compatibility, Web Content, Hypertext Markup Language (HTML), Information Architecture, Web Presence, Web Development, Content Management Systems, Web Analytics and SEO, Responsive Web Design, Cross Platform Development, Content Management
★ 3.3 (585) · 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: Cyber Security Assessment, Network Monitoring, Security Software, Software Installation, Virtual Machines
★ 4.8 (13) · Beginner · Course · 1 - 3 Months

The Hong Kong University of Science and Technology
Skills you'll gain: White-Box Testing, Acceptance Testing, Software Development Methodologies, Configuration Management, Debugging, Systems Development Life Cycle, Software Development Life Cycle, Software Testing, Software Development, Software Engineering, Unified Modeling Language, Software Quality Assurance, Software Configuration Management, User Acceptance Testing (UAT), System Design and Implementation, Change Control, Test Case, Requirements Analysis, Waterfall Methodology, Project Management
★ 4.7 (150) · Intermediate · Course · 1 - 3 Months

Universidad de Palermo
Skills you'll gain: Online Advertising, E-Commerce, Marketing Strategy and Techniques, Digital Marketing, Digital Advertising, Digital Brand Strategy, Business Strategy, Social Media Strategy, New Business Development, Google Ads, Advertising, Technology Strategies, Digital Transformation, Email Marketing, Social Media, Search Engine Optimization, Business Transformation, Advertising Campaigns, Social Media Marketing, Social Media Campaigns
★ 4.7 (260) · Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Blockchain, Digital Assets, FinTech, Agentic systems, Financial Inclusion, Business Modeling, Financial Systems, Payment Systems, Emerging Technologies, Business Transformation, Distributed Computing, Transaction Processing, Cryptographic Protocols, Identity and Access Management, Contract Management, Cost Reduction
★ 4.7 (383) · Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Model Based Systems Engineering, Failure Analysis, Systems Engineering, Requirements Management, Scope Management, Design Reviews, Engineering Management, Change Control, Program Management, Engineering Change Order, Cost Management, Requirements Analysis, Contract Management, Root Cause Analysis, Test Engineering, Risk Mitigation, Systems Design, Systems Thinking, Organizational Leadership, Risk Management
★ 4.8 (175) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Routing Protocols, Wide Area Networks, Network Security, Network Routing, Network Routers, Data Centers, Virtual Networking, TCP/IP, Open Shortest Path First (OSPF), Network Protocols, Network Switches, Virtual Machines, Network Administration, Virtual Local Area Network (VLAN), Virtualization, Virtual Private Networks (VPN), Wireless Networks, Network Troubleshooting, Network Architecture, Hardware Troubleshooting
★ 4.6 (14) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Cyber Governance, Security Strategy, Security Management, Incident Management, Cyber Security Strategy, Business Continuity Planning, IT Security Architecture, Computer Security Incident Management, Business Continuity, Disaster Recovery, Cyber Security Policies, Incident Response, Data Governance, IT Management, Cybersecurity, Contingency Planning, Governance, Cyber Risk, Leadership Studies, Leadership
★ 4.5 (151) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Microsoft Azure, Data Processing, Database Theory, Databases, Data Store, Database Systems, Database Management Systems, Cloud Services, Data Storage, Database Management, Relational Databases, Query Languages, NoSQL, Data Management, Cloud Computing, Data Analysis, Data Visualization Software
★ 4.7 (493) · Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Network Routing, Network Security, TCP/IP, Firewall, Routing Protocols, Google Cloud Platform, Virtual Networking, Network Administration, Virtual Private Networks (VPN), Network Infrastructure, Cloud Services
★ 4.8 (1.1K) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Threat Detection, Cyber Security Strategy, Cyber Threat Intelligence, Cybersecurity, Interactive Data Visualization, Geospatial Information and Technology, Web Scraping, IT Automation, Data Security, Security Awareness, Vulnerability Scanning, Scripting, Network Analysis, Open Source Technology, Information Privacy
★ 4.4 (13) · Intermediate · Course · 1 - 3 Months