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.

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: 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

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

University of California, Davis
Skills you'll gain: Data Storytelling, Dashboard Creation, Data Presentation, Dashboard, Data Visualization, Interactive Data Visualization, Stakeholder Analysis, Tableau Software, Data Visualization Software, Requirements Analysis, Stakeholder Management, Data Cleansing, Stakeholder Engagement, Storyboarding, Data Quality, Data Preprocessing
★ 4.6 (1.1K) · Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Data Encryption Standard, Public Key Infrastructure, Cryptography, Cybersecurity, Key Management, Advanced Encryption Standard (AES), Encryption, Cryptographic Protocols, Public Key Cryptography Standards (PKCS), Brute-force attacks, Authentications, Arithmetic, Algorithms, Applied Mathematics, Probability, Computer Science
★ 4.6 (1K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Model Deployment, Decision Tree Learning, Applied Machine Learning, Predictive Modeling, Machine Learning Software, Microsoft Azure, No-Code Development, Machine Learning, Data Preprocessing, Predictive Analytics, Model Training, Cloud Deployment, Feature Engineering, Machine Learning Algorithms, Model Evaluation, Data Science, Data Analysis, Classification Algorithms
★ 4.5 (834) · Beginner · Guided Project · Less Than 2 Hours

Technion - Israel Institute of Technology
Skills you'll gain: Materials science, Engineering, Scientific, and Technical Instruments, Semiconductors, Biomedical Technology, Medical Devices, Sensory Systems Analysis, Chemistry, Analytical Chemistry, Chemical Engineering, Manufacturing Processes
★ 4.8 (241) · Mixed · Course · 1 - 3 Months

Universidad de los Andes
Skills you'll gain: electromagnetics, Energy and Utilities, Physics, Physical Science, Mechanics, European History, Ancient History, Scientific Methods, World History, Liberal Arts, General Science and Research, Experimentation
★ 4.8 (859) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Virtual Machines, Microsoft Azure, Infrastructure As A Service (IaaS), Cloud Infrastructure, Cloud Computing Architecture, Virtualization and Virtual Machines, Cloud Deployment, Firewall, Cloud Computing, Network Security, Virtual Networking, Web Servers, Network Administration, Remote Access Systems, Application Deployment
★ 4.5 (226) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Persona Development, Prospecting and Qualification, Target Audience, Facebook, Target Market, Earned Media, Social Media Marketing, Social Media Content, Web Presence, Social Media, Business Marketing, Drive Engagement, Marketing, Online Advertising, Content Creation
★ 4.6 (760) · Intermediate · Guided Project · Less Than 2 Hours

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

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