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.

Macquarie University
Skills you'll gain: Cryptography, Encryption, Network Security, Cybersecurity, Security Engineering, Network Protocols, Federated Learning, Security Management
★ 4.8 (13) · Beginner · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Vendor Management, Vendor Relationship Management, Supplier Risk Management, Security Management, Supplier Management, Risk Analysis, Security Awareness, Cyber Security Strategy, Risk Management, Threat Management, Risk Mitigation, Computer Security Awareness Training, Security Controls, Human Factors (Security), Asset Protection, Cyber Risk, Cybersecurity, Mergers & Acquisitions, Due Diligence
★ 4.8 (51) · Mixed · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Computer Security Incident Management, IT Security Architecture, DevSecOps, Cloud Management, Cloud Infrastructure, Cloud Standards
★ 4.2 (13) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: IT Security Architecture, Security Controls, Cryptography, Security Engineering, Application Security, Vulnerability Assessments, Information Systems Security, Cryptographic Protocols, Vulnerability Management, Encryption, Cybersecurity, Infrastructure Security, Computer Security, Public Key Infrastructure, Cyber Security Assessment, Data Integrity
★ 4.8 (11) · Intermediate · Course · 1 - 4 Weeks

University of London
Skills you'll gain: Linux, Linux Commands, Computer Systems, Command-Line Interface, Cybersecurity, Computer Architecture, Network Security, Cyber Attacks, Vulnerability Assessments, Hardware Architecture, Information Systems Security, Application Security, Threat Detection, Authorization (Computing), Network Protocols, Virtual Private Networks (VPN), Operating Systems, VPN Clients, Systems Architecture, Authentications
★ 4.8 (45) · Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Windows Servers, Computer Security, Linux Administration, Disaster Recovery, Authorization (Computing), Linux, Linux Servers, Microsoft Windows, Authentications, Operating System Administration, OSI Models, User Accounts, Group Policy, Security Management, User Provisioning, Ubuntu, IT Management, System Monitoring, Systems Administration, Cybersecurity
★ 4.6 (2K) · Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: AI Security, Threat Modeling, Open Web Application Security Project (OWASP), Security Testing, Retrieval-Augmented Generation, Software Architecture, API Design, Test Automation, Vulnerability Management, Agentic systems, Systems Design, Model Evaluation, Test Driven Development (TDD), CI/CD, Python Programming, Continuous Deployment, Dependency Analysis, Large Language Modeling, Machine Learning, Performance Analysis
Intermediate · Specialization · 3 - 6 Months

KodeKloud
Skills you'll gain: Nginx, Proxy Servers, Hardening, Web Servers, Performance Tuning, Network Monitoring, Infrastructure Security, Network Performance Management, Linux Administration, Authentications, Security Controls, Application Performance Management, Network Troubleshooting, Network Security, System Monitoring, System Configuration, Load Balancing, Cybersecurity, DevOps, Computer Networking
Intermediate · Course · 1 - 4 Weeks

Total Seminars
Skills you'll gain: AWS Identity and Access Management (IAM), Identity and Access Management, Cloud Computing Architecture, IT Security Architecture, Amazon Web Services, Network Architecture, Cloud Infrastructure, Amazon Elastic Compute Cloud, User Provisioning, Cloud Security, Network Security, AWS CloudFormation, User Accounts, Infrastructure Architecture, Network Planning And Design, Cloud Services, Network Infrastructure, Cloud Applications, Cloud Management, Cloud Storage
Intermediate · Course · 1 - 3 Months
Skills you'll gain: Application Security, Angular, OAuth, Test Driven Development (TDD), Cryptography, Web Components, Data Validation, Unit Testing, Vue.JS, Development Testing, Data Security, Authentications, Encryption, Authorization (Computing), HTML and CSS, Hypertext Markup Language (HTML), Web Applications, Javascript, Security Strategy, Computer Programming
★ 4.3 (102) · Beginner · Specialization · 1 - 3 Months

John Wiley & Sons
Skills you'll gain: Security Management, Security Strategy, Disaster Recovery, Cyber Governance, Cybersecurity, Data Governance, Information Systems Security, Risk Management Framework, Risk Management, Security Requirements Analysis, Security Controls, Data Security, Cyber Security Policies, Cyber Risk, Law, Regulation, and Compliance, Data Management, Data Ethics, Record Keeping, Network Security, Information Privacy
Beginner · Course · 1 - 4 Weeks

Royal Holloway, University of London
Skills you'll gain: Cyber Governance, Incident Management, Incident Response, Security Management, Human Factors (Security), Security Awareness, Cybersecurity, Computer Security Awareness Training, Cyber Risk
★ 4.8 (40) · Beginner · Course · 1 - 4 Weeks