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.

Akamai Technologies, Inc.
Skills you'll gain: Linux, Linux Administration, File Systems, Operating System Administration, Linux Commands, Operating Systems, User Accounts, OS Process Management, User Provisioning, File Management, Unix Shell, Shell Script, System Software, System Configuration, Authorization (Computing), Command-Line Interface, Open Source Technology, grep, Systems Administration
Beginner · Course · 1 - 3 Months

Infosec
Skills you'll gain: OSI Models, Network Troubleshooting, Network Administration, General Networking, Network Architecture, Network Infrastructure, Network Monitoring, Network Security, TCP/IP, Virtual Networking, Local Area Networks, Routing Protocols, Network Routing, Virtual Local Area Network (VLAN), Wireless Networks, Networking Hardware, Disaster Recovery, Network Performance Management, Network Protocols, Event Monitoring
Mixed · Course · 1 - 3 Months

Skills you'll gain: Azure Active Directory, Active Directory, Microsoft Azure, Multi-Factor Authentication, Authentications, User Accounts, Role-Based Access Control (RBAC), Authorization (Computing), Identity and Access Management, User Provisioning, Cloud Security, Single Sign-On (SSO), Hybrid Cloud Computing, Self Service Technologies
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Machine Learning Algorithms, Big Data, Machine Learning Methods, Data Preprocessing, Analytics, File Systems, Data Analysis, Machine Learning, Applied Machine Learning, Internet Of Things, Supervised Learning, Product Planning, Unsupervised Learning, Data Storage, Project Planning, Staff Management
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Email Marketing, Social Media Content, Search Engine Optimization, Web Analytics and SEO, Social Media Marketing, Brand Marketing, Brand Awareness, Digital Brand Strategy, Digital Marketing Tools, Branding, Digital Marketing, Marketing Design, Web Presence, Content Management Systems, Brand Management, Newsletters, Marketing Materials, Web Design and Development, Video Production
Beginner · Guided Project · Less Than 2 Hours

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Geographic Information Systems, Data Modeling, GIS Software, SQL, Geospatial Information and Technology, Database Design, Spatial Data Analysis, Geospatial Mapping, Database Management, Spatial Analysis, Geostatistics, Query Languages, Relational Databases, Database Development, Database Software, Land Management, Data Store, Environmental Science, Data Capture, Data Manipulation
Beginner · Course · 1 - 3 Months
Starweaver
Skills you'll gain: Embedded Software, Embedded Systems, Electrical Systems, Cybersecurity, Program Development, Automation, Electronics, Sustainable Technologies, Control Systems, Electronic Hardware, Internet Of Things, Software Development
Beginner · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: Windows PowerShell, Linux, Endpoint Security, Operating System Administration, Linux Administration, Endpoint Detection and Response, File Systems, Command-Line Interface, Unix, Linux Commands, Microsoft Windows, Unix Commands, Operating Systems, Event Monitoring, Windows Servers, Continuous Monitoring, Remote Access Systems, System Monitoring, System Software, Computer Security Incident Management
Mixed · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Database Administration, Database Theory, Microsoft Azure, Databases, Database Software, Relational Databases, MySQL, SQL, Database Management Systems, Database Management, NoSQL, Query Languages, PostgreSQL, Data Security, Data Management, Cloud Deployment
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Health Care, Clinical Assessment, Trauma Care, Psychosocial Assessments, Mental and Behavioral Health, Crisis Intervention, Health Disparities, Public Health and Disease Prevention, Health Equity, Patient-centered Care, Clinical Research Ethics, Community Health, Healthcare Ethics, Health Technology, Health Policy, Medical Privacy, Safety and Security
Beginner · Course · 1 - 4 Weeks

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
Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Cryptography, Cybersecurity, Encryption, Public Key Cryptography Standards (PKCS), Brute-force attacks
Beginner · Course · 1 - 4 Weeks