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: Mobile Security, Wireless Networks, Network Security, Application Security, Internet Of Things, Endpoint Security, Cybersecurity, Information Systems Security, Infrastructure Security, Penetration Testing, Exploitation techniques, Vulnerability Assessments, Data Security, Encryption
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Migration, Data Integration, Data Management, Data Storage, Data Storage Technologies, Data Lakes, Data Architecture, Extract, Transform, Load, Data Centers, Cloud Storage, Data Import/Export, Data Loss Prevention, Interoperability, Disaster Recovery, Systems Integration, Data Pipelines, Cloud Platforms, Hybrid Cloud Computing, File Systems, Data Validation
★ 4.8 (37) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Network Security, Open Shortest Path First (OSPF), Network Performance Management, Network Monitoring, Network Planning And Design, Network Engineering, Network Protocols, Infrastructure as Code (IaC), Terraform, Configuration Management, Encryption, System Configuration, Authentications, Scalability
★ 4.7 (25) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Finite Element Methods, Engineering Analysis, Simulation and Simulation Software, Simulations, Mechanical Design, Mathematical Modeling, Structural Engineering, Structural Analysis, 3D Modeling
★ 4.7 (218) · Intermediate · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Health Informatics, Informatics, Health Care, Health Assessment, Healthcare Project Management, Systems Analysis, Business Systems Analysis, Technical Communication, Requirements Analysis, Data Access, Process Modeling
★ 4.8 (68) · Mixed · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Digital Forensics, Microsoft Windows, User Accounts, USB, Identity and Access Management, File Systems, System Configuration, Software Installation, File Management
★ 4.7 (70) · Intermediate · Course · 1 - 3 Months

Infosec
Skills you'll gain: Security Management, Cyber Governance, IT Management, Cybersecurity, Cyber Security Strategy, Cyber Risk, Security Strategy, Key Performance Indicators (KPIs), Leadership and Management, Internal Communications, Leadership, Communication Planning, Performance Metric, Program Management, Risk Management, Risk Management Framework, Corporate Communications, Stakeholder Communications
★ 4.6 (51) · Beginner · Course · 1 - 4 Weeks

University of Glasgow
Skills you'll gain: Federated Learning, Wireless Networks, Emerging Technologies, Digital Communications, Communication Systems, Blockchain, Internet Of Things, Network Security, Telecommunications, Network Performance Management, Network Planning And Design, Zero Trust Network Access, Computer Vision, Artificial Intelligence and Machine Learning (AI/ML), Electrical Engineering, Network Analysis, Information Technology, Electronics Engineering, Machine Learning, Trustworthiness
★ 4.6 (15) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Network Administration, Virtual Local Area Network (VLAN), General Networking, Network Architecture, Virtual Networking, TCP/IP, Local Area Networks, Computer Networking, Command-Line Interface, Network Infrastructure, Wireless Networks, Network Security, Networking Hardware, Network Switches, Network Troubleshooting, Network Protocols, Threat Detection
★ 4.3 (27) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Incident Management, Incident Response, Security Management, Computer Security Incident Management, Infrastructure Security, Cybersecurity, Cyber Security Policies, Telecommuting, Security Strategy, Security Software, Employee Engagement
★ 4.9 (7) · Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Google Gemini, Gemini, Vibe coding, Web Development Tools, Generative AI Agents, Generative AI, Application Development, LLM Application, Google Cloud Platform, Software Development Tools, Cloud Development, Development Environment, Web Development, Web Applications, Secure Coding, Command-Line Interface, Application Security, Debugging
★ 3.1 (7) · Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Tidyverse (R Package), Ggplot2, Data Wrangling, Statistical Modeling, Exploratory Data Analysis, Plot (Graphics), R Programming, Data Import/Export, Predictive Modeling, Data Visualization, Interactive Data Visualization, Statistical Visualization, Sampling (Statistics), Data Visualization Software, Statistical Hypothesis Testing, Data Analysis, Web Scraping, Data Science, R (Software), Data Analysis Software
★ 4.5 (111) · Beginner · Specialization · 3 - 6 Months