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.

Skills you'll gain: Cryptographic Protocols, Network Security, Encryption, OSI Models, Cryptography, IT Security Architecture, Network Performance Management, Network Architecture, Computer Networking, General Networking, Communication Systems, Remote Access Systems, TCP/IP, Network Infrastructure, Network Protocols, Wireless Networks, Virtual Private Networks (VPN), Virtual Networking, Endpoint Security, Cloud Security
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Identity and Access Management, Cloud Security, Google Cloud Platform, Security Controls, Cloud Management, User Provisioning, Virtual Networking, Firewall, Network Security, Data Access, Role-Based Access Control (RBAC), Authorization (Computing), Data Security, Single Sign-On (SSO), Authentications, Load Balancing
Intermediate · Course · 1 - 3 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

Infosec
Skills you'll gain: Application Security, Serverless Computing, Secure Coding, Risk Management Framework, Cloud Security, Threat Management, Infrastructure Security, Cloud Services, Cloud Platforms, Javascript, Node.JS
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Public Key Infrastructure, Cloud Security, Hardening, Security Engineering, Cryptographic Protocols, Infrastructure Security, Information Systems Security, System Configuration, Cryptography, Cloud Computing, Key Management, Encryption, Mobile Security
Intermediate · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Application Security, Secure Coding, Package and Software Management, Node.JS, Vulnerability Management, Javascript, Dependency Analysis, Vulnerability Assessments, Exploitation techniques
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Hardware Troubleshooting, Information Systems Security, Information Technology, Security Software, Malware Protection, Data Security, Encryption, Security Awareness, Endpoint Security, Authentications, Patch Management, Technical Support, Firewall, Data Integrity
Beginner · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Cloud Security, Identity and Access Management, AWS Identity and Access Management (IAM), Incident Response, Cloud Computing, Cloud Applications, Computer Security Incident Management, Cloud Standards, Cloud Platforms, IT Security Architecture, Data Security, Application Security, Network Security, Encryption, Cloud Deployment, Incident Management, Role-Based Access Control (RBAC), Amazon Web Services, Security Management, Authorization (Computing)
Beginner · Course · 1 - 3 Months

Amazon Web Services
Skills you'll gain: Cloud Security, Encryption, Amazon Web Services, Data Security, Cryptography, Security Controls, Cryptographic Protocols
Mixed · Course · 1 - 4 Weeks

John Wiley & Sons
Skills you'll gain: Disaster Recovery, Database Administration, Business Continuity Planning, Database Systems, Database Architecture and Administration, Database Management, Data Governance, Relational Databases, Data Management, Data Security, Business Continuity, Security Controls, SQL, Authorization (Computing), Identity and Access Management, Cyber Attacks, Data Analysis, Malware Protection
Intermediate · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Secure Coding, Application Security, Exploitation techniques, Web Applications, Javascript, Web Development, Node.JS, Java Programming
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Windows Servers, Authorization (Computing), Microsoft Windows, Authentications, Operating System Administration, User Accounts, Group Policy, User Provisioning, Microsoft Servers, Security Controls, Enterprise Security, Active Directory, Identity and Access Management, Software Installation, Role-Based Access Control (RBAC), Server Administration, Encryption, Network Planning And Design, Network Performance Management, Computer Networking
Beginner · Course · 1 - 3 Months