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.

Infosec
Skills you'll gain: Risk Management Framework, Federal Information Security Management Act, NIST 800-53, Systems Development Life Cycle, Cyber Risk, Security Management, Continuous Monitoring, Cyber Security Policies, Security Controls, Authorization (Computing), Cybersecurity, Cyber Security Assessment
★ 4.6 (55) · Mixed · Course · 1 - 3 Months

The University of Sydney
Skills you'll gain: Linear Algebra, Markov Model, Geometry, Arithmetic, Algebra, General Mathematics, Advanced Mathematics, Mathematics and Mathematical Modeling, Applied Mathematics
★ 4.8 (45) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Azure, Data Store, Data Storage, Cloud Storage, Data Storage Technologies, Database Application, Cloud Engineering, Cloud Security, Data Security, Cloud Development, Data Management, Data Modeling, Security Controls, Cloud Applications, Database Architecture and Administration, Continuous Monitoring, Threat Management, Data Access, Cloud Management, Analytics
★ 4.5 (36) · Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Injury Prevention, Public Safety and National Security, De-escalation Techniques, Social Justice, Policy Analysis, Research, and Development, Public Policies, Policy Analysis, Public Health, Epidemiology, Community Organizing, Law, Regulation, and Compliance, Health Policy, Research, Case Law
★ 4.8 (508) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Security Controls, Cloud Management, IT General Controls (ITGC), Cloud Security, Cloud Standards, Cloud Computing, Cyber Security Assessment, Cybersecurity, Security Testing, Control Objectives for Information and Related Technology (COBIT), Risk Management Framework, Identity and Access Management, Incident Response
Intermediate · Course · 3 - 6 Months

Universitat Autònoma de Barcelona
Skills you'll gain: Public Policies, Policy Development, Policy Analysis, Research, and Development, Policy Analysis, Environmental Policy, Court Systems, International Relations, Public Safety and National Security, European History, Political Sciences, Law, Regulation, and Compliance, Economics, Economics, Policy, and Social Studies, Security Strategy, Economic Development, Diplomacy, Social Studies, Governance, Socioeconomics
★ 4.6 (140) · Beginner · Course · 1 - 3 Months

Cisco Learning and Certifications
Skills you'll gain: MITRE ATT&CK Framework, Threat Modeling, Cyber Threat Intelligence, Threat Detection, Exploitation techniques, Intrusion Detection and Prevention, Threat Management, Incident Response, Event Monitoring, Computer Security Incident Management, Malware Protection, Network Analysis, Anomaly Detection, Network Security, Network Monitoring, Network Protocols, SQL
★ 4.9 (36) · Mixed · Course · 1 - 4 Weeks

Google DeepMind
Skills you'll gain: Prompt Engineering, Google Gemini, Gemini, Generative AI Agents, AI Integrations, Google Cloud Platform, Application Programming Interface (API), Real Time Data, Key Management, Tool Calling, Agentic systems, Cloud Deployment, Generative Model Architectures, Generative AI, Large Language Modeling, AI Security, Artificial Intelligence, AI Workflows, Cloud Applications, Cloud Development
★ 4.5 (12) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Matplotlib, Seaborn, Exploratory Data Analysis, Logistic Regression, NumPy, Machine Learning Methods, Jupyter, Scikit Learn (Machine Learning Library), Data Science, Machine Learning, Machine Learning Algorithms, Python Programming
★ 4.5 (396) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: MITRE ATT&CK Framework, Network Security, Cybersecurity, Exploitation techniques, Penetration Testing, Cyber Attacks, Python Programming, Data Access, Authentications, Scripting, Remote Access Systems, User Accounts
★ 4.8 (69) · Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Data Lakes, Data Governance, Data Architecture, Data Management, Data Infrastructure, Data Storage, Cloud Storage, Database Management, Data Warehousing, Data Storage Technologies, Data Access, Metadata Management, NoSQL, Star Schema, Data Quality, Google Cloud Platform, Query Languages, Data Integration, Data Processing, Application Programming Interface (API)
★ 4.1 (46) · Beginner · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Civil Engineering, Construction Engineering, Land Development, Building Information Modeling, Construction, Construction Management, Aerospace Basic Quality System Standards, Capacity Planning, Building Design, Building Services Engineering, Facility Management, Facility Repair And Maintenance, Landscape Architecture, Construction Estimating, Architectural Design, Environmental Engineering, Security Strategy, Energy and Utilities, Process Analysis, Engineering Plans And Specifications
★ 4.8 (21) · Intermediate · Specialization · 1 - 3 Months