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 System
Skills you'll gain: Routing Protocols, Network Routing, Open Shortest Path First (OSPF), TCP/IP, Network Routers, Network Protocols, Network Architecture, Network Switches, Virtual Networking, Network Performance Management, Computer Networking, OSI Models, Local Area Networks, Graph Theory, Algorithms
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Open Shortest Path First (OSPF), Virtual Local Area Network (VLAN), OSI Models, Wide Area Networks, Network Troubleshooting, TCP/IP, Wireless Networks, Cloud Computing, Network Routing, Routing Protocols, Network Security, Network Routers, Network Monitoring, Cloud Computing Architecture, Cloud Platforms, Event Monitoring, Threat Detection, Threat Management, Network Performance Management, Cloud Services
Beginner · Specialization · 3 - 6 Months

ConsenSys Academy
Skills you'll gain: Blockchain, Cryptography, Interoperability, Cryptographic Protocols, Encryption, Public Key Cryptography Standards (PKCS), FinTech, Emerging Technologies, Ledgers (Accounting), Distributed Computing, Case Studies, Digital Assets, Data Integrity, Transaction Processing
Beginner · Course · 1 - 3 Months
University of Pennsylvania
Skills you'll gain: Demography, Market Trend, Trend Analysis, International Relations, International Finance, Socioeconomics, Social Sciences, Economics, Policy, and Social Studies, Cultural Diversity, Political Sciences, Financial Systems, World History, Business Acumen, Economic Development, Economics, Business Economics, Consumer Behaviour, Financial Policy, Public Safety and National Security, Governance
Mixed · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Equipment Design, Manufacturing Processes, Plant Operations and Management, Hydraulics, Manufacturing Operations, Chemical Engineering, Manufacturing and Production, Production Process, Process Engineering, Control Systems, Industrial Design, Manufacturing Standards, Automation, Mechanical Engineering, Internet Of Things, Materials science, Machine Controls, Quality Assurance, Safety Standards, Petroleum Industry
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Canva (Software), Multimedia, Visual Design, Graphical Tools, Graphic Design
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Blockchain, Business Process Automation, Digital Transformation, Business Transformation, Automation, Emerging Technologies, Market Opportunities, Internet Of Things, Supply Chain Management, Data Integration, Distributed Computing, Systems Integration, Case Studies, Market Trend
Beginner · Course · 1 - 3 Months

Aptly
Skills you'll gain: TikTok, Content Performance Analysis, Business Marketing, Data-Driven Marketing, Content Scheduling, Social Media Content, Social Media Marketing, Online Advertising, Brand Marketing, Social Media Strategy, Social Media, Marketing Strategies, Performance Measurement, Content Marketing, Content Creation, Video Editing, Video Production, Social Media Management, Advertising, Advertising Campaigns
Beginner · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: AI Security, Responsible AI, Threat Modeling, Governance Risk Management and Compliance, Compliance Management, Data Ethics, Data Governance, Model Evaluation, Reinforcement Learning, Risk Management, Prompt Engineering, Governance, Regulatory Compliance, Security Testing, MLOps (Machine Learning Operations), MITRE ATT&CK Framework, Continuous Monitoring, Ethical Standards And Conduct, Large Language Modeling, Vulnerability Assessments
Intermediate · Specialization · 3 - 6 Months

Pohang University of Science and Technology(POSTECH)
Skills you'll gain: Internet Of Things, Cloud Applications, Cloud Development, Cloud Platforms, IBM Cloud, Application Development, Cloud Services, Cloud Technologies, Cloud Computing, Google Cloud Platform, Cloud-Based Integration, Microsoft Azure, AI Integrations, Amazon Web Services, Emerging Technologies, Network Protocols, Dataflow
Beginner · Course · 1 - 3 Months

Skills you'll gain: Virtual Machines, Debugging, System Programming, Windows PowerShell, Virtual Environment, Virtualization, Programming Principles, Excel Macros, Linux
Intermediate · Course · 1 - 3 Months

EDUCBA
Skills you'll gain: Internet Of Things, Advanced Analytics, Big Data, Data Management, Wireless Networks, Predictive Analytics, Applied Machine Learning, Analytics, Water Sustainability, Data-Driven Decision-Making, Sustainable Systems, Environmental Monitoring, Geospatial Information and Technology, Telecommunications, Sustainable Technologies, Real Time Data, Automation, Data Analysis, Control Systems, Data Collection
Beginner · Course · 1 - 4 Weeks