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: Criminal Investigation and Forensics, Investigation, Cybersecurity, Cyber Governance, Data Security, Cyber Security Policies, Computer Security, Digital Assets, Security Testing, Cyber Risk, Incident Management
Beginner · Course · 1 - 3 Months
Skills you'll gain: Computer Security Incident Management, Endpoint Security, Incident Management, Incident Response, ISO/IEC 27001, Security Management, Vulnerability Scanning, Digital Forensics, Risk Management, Personally Identifiable Information, Linux, Linux Administration, Infrastructure Security, Network Security, Threat Management, Event Monitoring, Enterprise Risk Management (ERM), Business Risk Management, Security Information and Event Management (SIEM), Security Strategy
Beginner · Specialization · 1 - 3 Months

University of California, Irvine
Skills you'll gain: digital literacy, Systems Development, Data Security, System Design and Implementation, Data Ethics, Cybersecurity, Safety and Security, Information Technology, Information Privacy, Computer Literacy, Software Development Tools, Technology Strategies
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Role-Based Access Control (RBAC), Authorization (Computing), Identity and Access Management, AWS Identity and Access Management (IAM), Geographic Information Systems, Encryption, Data Security, Network Security, Information Systems Security, Web Components, Public Key Infrastructure, Wireless Networks
Beginner · Course · 1 - 4 Weeks

Macquarie University
Skills you'll gain: Incident Response, Cyber Governance, Cyber Risk, Incident Management, Law, Regulation, and Compliance, Security Strategy, Computer Security Incident Management, Security Awareness, Culture Transformation, Cyber Attacks, Mobile Security, Cyber Security Strategy, Security Management, Disaster Recovery, Enterprise Security, Cyber Security Policies, Communication, Cybersecurity, Cyber Security Assessment, Cyber Operations
Beginner · Specialization · 3 - 6 Months

Packt
Skills you'll gain: Penetration Testing, Security Testing, Cybersecurity, Network Security, Brute-force attacks, TCP/IP, Network Monitoring, Vulnerability Assessments, Servers, Network Analysis, Network Protocols
Intermediate · Course · 1 - 3 Months

AI CERTs
Skills you'll gain: Blockchain, Cryptography, Encryption, Network Security, Cybersecurity, Authentications, Public Key Cryptography Standards (PKCS), Vulnerability Assessments, Data Validation, Data Integrity, Transaction Processing, Distributed Computing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: User Accounts
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: AI Security, Penetration Testing, Network Security, Exploitation techniques, Open Web Application Security Project (OWASP), Cyber Security Assessment, Unix, Computer Security, Network Monitoring, Application Security, Cybersecurity, Artificial Intelligence and Machine Learning (AI/ML), Cryptographic Protocols, Network Protocols, Cryptography, Security Awareness, Generative AI Agents, Server Side, Web Applications, Machine Learning Algorithms
Intermediate · Specialization · 3 - 6 Months

Simplilearn
Skills you'll gain: Open Web Application Security Project (OWASP), Secure Coding, Operational Risk, Application Security, Security Requirements Analysis, DevSecOps, Security Testing, Threat Modeling, Cyber Attacks, Web Development, Web Applications, Security Management, Vulnerability Assessments, Security Software, Security Engineering, Security Controls, Scenario Testing, Authorization (Computing), Software Development, Data Manipulation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Wireless Networks, Network Administration, Virtual Machines, Virtualization, Network Troubleshooting, Network Security, Cloud Computing, Computer Networking, Virtual Private Networks (VPN), Mobile Security, Firewall, Hardware Troubleshooting, Android (Operating System), Apple iOS, Systems Administration, Multi-Factor Authentication, Peripheral Devices
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Multi-Factor Authentication, Information Architecture, Security Controls, Software Documentation, Authentications, ISO/IEC 27001, Penetration Testing, Vulnerability Assessments, Cross-Functional Collaboration, Application Security, Web Content Accessibility Guidelines, Auditing, Security Information and Event Management (SIEM), Technical Documentation, Enterprise Security, Single Sign-On (SSO), Security Assertion Markup Language (SAML), Maintainability, End User Training and Support, User Accounts
Intermediate · Specialization · 3 - 6 Months