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.

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

Skills you'll gain: Security Controls, Threat Management, Cybersecurity, Threat Detection, Cyber Threat Intelligence, Zero Trust Network Access, Cyber Attacks, Application Security, Cyber Risk, Computer Security, Information Systems Security, Data Security, Network Security, Encryption, Multi-Factor Authentication, Cryptography, Authorization (Computing), Identity and Access Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cyber Threat Intelligence, MITRE ATT&CK Framework, Network Security, Cyber Threat Hunting, Threat Modeling, Threat Detection, Cybersecurity, Threat Management, Cyber Security Assessment, Operating System Administration, Cyber Attacks, Hardening, Intrusion Detection and Prevention, Cyber Engineering, Malware Protection, Vulnerability Management, Vulnerability Assessments, Incident Response, Network Monitoring, Incident Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Security Testing, Vulnerability Scanning, Secure Coding, Data Security, Application Security, Cyber Security Assessment, Vulnerability Assessments, Web Applications, Web Servers, Information Privacy, SQL
Intermediate · Course · 1 - 3 Months

Packt
Skills you'll gain: Open Web Application Security Project (OWASP), Secure Coding, Application Security, Data Security, Cybersecurity, Cyber Attacks, Web Applications, Threat Detection, Security Awareness, Vulnerability Management, Encryption, Authentications, Authorization (Computing), PHP (Scripting Language)
Beginner · Course · 1 - 3 Months

Skills you'll gain: Intrusion Detection and Prevention, Continuous Monitoring, Threat Management, Firewall, Incident Response, Network Security, Threat Detection, Network Monitoring, Information Systems Security, Infrastructure Security, Cybersecurity
Advanced · Course · 1 - 4 Weeks

Institut Mines-Télécom
Skills you'll gain: Cybersecurity, Open Web Application Security Project (OWASP), Application Security, Cyber Attacks, Threat Modeling, Risk Management Framework, Secure Coding, Vulnerability Assessments, SQL
Intermediate · Course · 1 - 3 Months

New York University
Skills you'll gain: Authentications, Public Key Infrastructure, Cryptography, Data Encryption Standard, Computer Security, Cybersecurity, Network Security, Security Controls, Encryption, Multi-Factor Authentication
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cybersecurity, Network Security, Cloud Security, Application Security, OSI Models, Cryptography, Encryption, Endpoint Security, Firewall, Malware Protection, Wireless Networks, Network Protocols, Public Key Infrastructure, Data Integrity, Virtualization
Intermediate · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: Network Security, Role-Based Access Control (RBAC), Cybersecurity, Firewall, Network Monitoring, Authentications, Virtual Private Networks (VPN), Computer Networking, Authorization (Computing), Intrusion Detection and Prevention, Identity and Access Management, Security Controls, General Networking, Encryption
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

Skills you'll gain: Network Security, Endpoint Security, Hardening, Virtual Private Networks (VPN), Firewall, Network Administration, 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