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.

University of Colorado Boulder
Skills you'll gain: Human Computer Interaction, Embedded Systems, Prototyping, User Interface (UI) Design, User Interface and User Experience (UI/UX) Design, Usability, HTML and CSS, Real-Time Operating Systems, Internet Of Things, jQuery, Mobile Development, Telecommunications, Cross Platform Development, Artificial Intelligence and Machine Learning (AI/ML)
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Security, Information Systems Security, Information Assurance, Security Controls, Data Integrity, Identity and Access Management, Personally Identifiable Information, Network Security, IT Security Architecture, Authentications, Cybersecurity, Authorization (Computing), Infrastructure Security, Computer Security, Encryption, User Accounts, Security Awareness, Safety and Security
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Order Management, Sales Process, Accounting Software, Inventory Control, Small Business Accounting, Inventory Management System, Customer Relationship Management (CRM) Software, Financial Reporting, Accounts Receivable, Cloud Security, Sales, Amazon Web Services, Data Security, Billing & Invoicing, Reconciliation, Accounting, Estimation, Finance
Intermediate · Guided Project · Less Than 2 Hours

O.P. Jindal Global University
Skills you'll gain: Digital Marketing, Web Analytics, Digital Advertising, Search Engine Marketing, Online Advertising, Google Analytics, Search Engine Optimization, Google Ads, Marketing Channel, Social Media Marketing, Marketing Strategies, Keyword Research, Marketing Planning, Paid media, Marketing Analytics, Social Media Campaigns, Social Media, Advertising, Blogs, Emerging Technologies
Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Blockchain, Risk Management, Enterprise Risk Management (ERM), Risk Analysis, Business Risk Management, Governance Risk Management and Compliance, Legal Risk, Interoperability, Cyber Risk, Information Technology Architecture, Network Architecture, Systems Architecture, Data Architecture, Governance, Solution Architecture, Application Security, Project Documentation, Cryptography, Data Storage, Data Storage Technologies
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Exploratory Data Analysis, Seaborn, Plotly, Data Visualization, Data Visualization Software, Interactive Data Visualization, Data Analysis, Python Programming, Predictive Modeling, Data Science, Jupyter, Cloud Applications
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Routing Protocols, Virtual Private Networks (VPN), Network Troubleshooting, Open Shortest Path First (OSPF), Network Engineering, Network Routing, Border Gateway Protocol, TCP/IP, Multiprotocol Label Switching, Network Administration, Network Security, Network Monitoring, Network Performance Management, Dynamic Host Configuration Protocol (DHCP), Authentications, Authorization (Computing)
Intermediate · Course · 1 - 4 Weeks

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: Overcoming Objections, Sales Process, Closing (Sales), Value Propositions, Rapport Building, Active Listening, Selling Techniques, Sales Presentation, Prospecting and Qualification, Digital Transformation, Business Communication, Sales, Technical Sales, Data Centers, Inside Sales, Customer Relationship Building, Sales Strategy, Customer Insights, Customer Analysis, Outside Sales
Beginner · Specialization · 1 - 3 Months

Illinois Tech
Skills you'll gain: Virtualization, Virtual Machines, Hyper-V, Virtual Networking, VMware ESX Servers, Data Centers, Data Storage, Cloud Computing, Servers, Virtual Reality, iSCSI Configuration, Remote Access Systems, Computer Hardware
Build toward a degree
Intermediate · Course · 1 - 3 Months
Skills you'll gain: Terraform, CI/CD, Infrastructure as Code (IaC), Continuous Integration, Ansible, Application Performance Management, Prometheus (Software), Network Monitoring, Continuous Deployment, Kubernetes, Application Deployment, System Monitoring, Package and Software Management, GitHub, Software Development Tools, Docker (Software), Containerization, YAML, Infrastructure As A Service (IaaS), Automation
Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: MITRE ATT&CK Framework, Open Web Application Security Project (OWASP), Penetration Testing, Exploitation techniques, Distributed Denial-Of-Service (DDoS) Attacks, Mobile Security, Cybersecurity, Brute-force attacks, Network Security, Vulnerability Assessments, Web Applications, Wireless Networks, Encryption, Network Protocols
Intermediate · Course · 1 - 3 Months