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.

LearnQuest
Skills you'll gain: Java Platform Enterprise Edition (J2EE), Application Deployment, Web Applications, Application Servers, Java, Web Servers, Java Programming, Web Development, Server Side, Application Frameworks
Intermediate · Course · 1 - 4 Weeks

The University of Sydney
Skills you'll gain: Linear Algebra, Markov Model, Geometry, Arithmetic, Algebra, General Mathematics, Advanced Mathematics, Probability, Mathematics and Mathematical Modeling, Mathematical Theory & Analysis, Mathematical Modeling, Applied Mathematics, Statistical Methods, Vector Databases, Engineering Analysis, Computational Logic
Intermediate · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Penetration Testing, Linux Commands, Command-Line Interface, Linux, Cybersecurity, Operating System Administration, Operating Systems, Windows PowerShell, Unix Commands, Microsoft Windows, Computer Systems, Mac OS
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Apache Hive, Database Management, SQL, Big Data, Database Systems, Amazon Web Services, Data Management, Amazon S3, Apache Hadoop, Data Storage, Cloud Storage, Performance Tuning, File Systems, Command-Line Interface, Virtual Machines
Beginner · Course · 1 - 3 Months

Skills you'll gain: Azure Active Directory, Role-Based Access Control (RBAC), Microsoft Azure, Single Sign-On (SSO), Active Directory, Cloud Management, Identity and Access Management, Authorization (Computing), Authentications, Multi-Factor Authentication, User Provisioning, Data Governance, Cloud Services, User Accounts, Security Controls, Virtual Machines, Self Service Technologies, Scalability
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Blockchain, FinTech, Governance, Financial Services, Financial Regulation, Ledgers (Accounting), Banking Services, Financial Systems, Payment Processing, Innovation, Accounting, Emerging Technologies, Digital Assets, Real Time Data
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Patch Management, Microsoft Azure, Disaster Recovery, System Monitoring, Cloud Storage, Data Storage Technologies, Cloud Security, Continuous Monitoring, Role-Based Access Control (RBAC), Virtual Machines, Data Security, Query Languages
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Stakeholder Analysis, Stakeholder Management, Stakeholder Engagement, Business Analysis, Project Management, Risk Management, Plan Execution, Project Planning, Requirements Analysis, Project Coordination, Stakeholder Communications, Communication Strategies, Communication
Beginner · Course · 1 - 3 Months

The State University of New York
Skills you'll gain: Digital Design, digital literacy, Infographics, Content Creation, Graphic Design, Multimedia, Brainstorming, Planning, Information Management, Literacy, Lifelong Learning, Computer Literacy, Critical Thinking, Investigation, Data Ethics, Research, Digital Communications, Open Source Technology, Intellectual Property, Web Content Accessibility Guidelines
Beginner · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: ASP.NET, Restful API, .NET Framework, Web Services, JSON, Model View Controller, Web Applications, Back-End Web Development, API Design, Application Programming Interface (API), Server Side, Extensible Markup Language (XML), Application Security, Object-Relational Mapping, Middleware
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Networking Hardware, Network Monitoring, OSI Models, Routing Protocols, Software-Defined Networking, Network Troubleshooting, Network Architecture, Network Protocols, Distributed Denial-Of-Service (DDoS) Attacks, Network Security, TCP/IP, Network Routing, Computer Networking, Open Shortest Path First (OSPF), Dynamic Host Configuration Protocol (DHCP), Network Administration, Network Performance Management, Local Area Networks, Hardening, Intrusion Detection and Prevention
Intermediate · Specialization · 3 - 6 Months

Indian Institute of Science
Skills you'll gain: Biomedical Engineering, Electronics, Semiconductors, Electronic Systems, Medical Devices, Internet Of Things, Embedded Systems, Materials science, Chemical Engineering, Manufacturing Processes
Beginner · Course · 1 - 3 Months