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: Computer Security Awareness Training, Cybersecurity, Risk Management, Enterprise Security, Vulnerability Assessments, Encryption, Network Security, Data Security, Security Awareness, Authentications
Build toward a degree
Beginner · Course · 1 - 3 Months

University of London
Skills you'll gain: Network Security, OSI Models, TCP/IP, Threat Modeling, Network Protocols, Computer Networking, Cybersecurity, Application Security, Network Architecture, Cryptographic Protocols, Vulnerability Assessments, Network Infrastructure, Network Routing
Beginner · Course · 1 - 3 Months

Skills you'll gain: Exploitation techniques, Penetration Testing, Secure Coding, Web Development, Web Applications, Full-Stack Web Development, Vulnerability Assessments, Application Security, Angular, Ajax, Javascript
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Network Security, OSI Models, Distributed Denial-Of-Service (DDoS) Attacks, Firewall, TCP/IP, Network Administration, Wireless Networks, Network Protocols, General Networking, Intrusion Detection and Prevention, Local Area Networks, Network Routers, Security Controls, Mobile Security, Authentications, Authorization (Computing)
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Email Security, Mobile Security, Network Security, Open Web Application Security Project (OWASP), Network Monitoring, Threat Detection, TCP/IP, Network Analysis, Network Protocols, Cybersecurity, Application Security, Vulnerability Scanning, Wireless Networks, Splunk, Information Privacy
Intermediate · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Security Strategy, Cyber Governance, Security Management, Cyber Risk, Compliance Management, Risk Management, Regulatory Compliance, Cyber Security Policies, Cybersecurity, Law, Regulation, and Compliance, Cyber Security Strategy, Governance, NIST 800-53, Security Controls, Procedure Development, Data Governance, Program Standards, Computer Security
Mixed · Course · 1 - 4 Weeks

EC-Council
Skills you'll gain: Network Security, Mobile Security, Public Key Infrastructure, Cryptography, Security Controls, Cybersecurity, Authorization (Computing), Encryption, Identity and Access Management, Wireless Networks, Cloud Computing, Cloud Security, Network Monitoring, Data Security, Internet Of Things, Virtualization and Virtual Machines
Beginner · Course · 1 - 3 Months

Skills you'll gain: Penetration Testing, Cybersecurity, Metasploit, Cyber Attacks, Application Security, Exploitation techniques, Security Awareness, Malware Protection, Vulnerability Assessments, Javascript, Web Servers
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Threat Detection, Anomaly Detection, Network Security, General Networking, Network Monitoring, Network Troubleshooting, Real Time Data, Security Strategy, Network Analysis, Network Protocols, Data Capture
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Network Security, Endpoint Security, Hardening, Virtual Private Networks (VPN), Firewall, Cloud Security, Cybersecurity, Infrastructure Security, Role-Based Access Control (RBAC), Cloud Computing, Authorization (Computing), Identity and Access Management, Email Security, Network Infrastructure, Network Protocols, Authentications, System Configuration
Intermediate · Course · 1 - 4 Weeks

Kennesaw State University
Skills you'll gain: Wireless Networks, Mobile Security, General Networking, Proxy Servers, Network Security, Cybersecurity, Virtual Private Networks (VPN), Computer Security Awareness Training, Personally Identifiable Information, Information Privacy, Emerging Technologies
Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Firewall, Network Security, Intrusion Detection and Prevention, Information Systems Security, Security Controls, Network Monitoring, Threat Detection, Linux Administration, Linux
Intermediate · Course · 1 - 4 Weeks