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 London
Skills you'll gain: Network Security, IT Security Architecture, OSI Models, TCP/IP, Threat Modeling, Network Protocols, Computer Networking, Cybersecurity, Application Security, Network Architecture, General Networking, Cryptographic Protocols, Vulnerability Assessments, Network Infrastructure, Exploit development, Network Model, Network Routing, Communication Systems
★ 4.9 (33) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Cybersecurity, Endpoint Security, Network Security, Cyber Attacks, Encryption, Cyber Security Assessment, Application Security, Cyber Security Policies, Penetration Testing, Data Security, Firewall, Cryptography, Intrusion Detection and Prevention, Security Awareness, Security Software, Mobile Security, Email Security, Information Assurance, Human Factors (Security)
Beginner · Course · 1 - 3 Months

Kennesaw State University
Skills you'll gain: Cybersecurity, Cyber Security Policies, Cyber Attacks, Cyber Risk, Information Privacy, Data Ethics, Authentications, General Data Protection Regulation (GDPR), Human Factors (Security), NIST 800-53
★ 4.9 (19) · Beginner · Course · 1 - 3 Months

Kennesaw State University
Skills you'll gain: Email Security, Personally Identifiable Information, Firewall, Threat Detection, Network Security, Cybersecurity, Threat Management, Security Awareness, Security Software, Cloud Storage, Information Privacy, Data Security, Cloud Computing, Cloud Services, General Networking, Encryption
★ 4.8 (36) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Cyber Security Strategy, Security Strategy, Multi-Factor Authentication, Encryption, Android (Operating System)
Beginner · Course · 1 - 3 Months

Cisco Learning and Certifications
Skills you'll gain: Network Security, Role-Based Access Control (RBAC), Cybersecurity, Firewall, Network Monitoring, Authentications, Virtual Private Networks (VPN), Authorization (Computing), Intrusion Detection and Prevention, Identity and Access Management, Security Controls, Encryption, Group Policy
Beginner · Course · 1 - 3 Months

Skills you'll gain: Open Web Application Security Project (OWASP), Mobile Security, Network Security, Cybersecurity, Cryptography, Penetration Testing, Intrusion Detection and Prevention, Vulnerability Assessments, Wireless Networks, Encryption, Application Security, Exploitation techniques, Web Applications, Cloud Security, Internet Of Things
★ 4.9 (19) · Intermediate · Course · 1 - 3 Months

New York University
Skills you'll gain: Network Security, Firewall, IT Security Architecture, Distributed Denial-Of-Service (DDoS) Attacks, Network Architecture, Intrusion Detection and Prevention, TCP/IP, Cybersecurity, Threat Detection, Cyber Threat Intelligence, Cyber Attacks, Security Controls, Enterprise Security, Network Protocols, Proxy Servers
★ 4.7 (662) · Intermediate · Course · 1 - 4 Weeks

EC-Council
Skills you'll gain: Network Security, Cybersecurity, Information Assurance, Cloud Security, Security Controls, Mobile Security, Data Security, Cryptography, Public Key Infrastructure, Cyber Security Policies, Authorization (Computing), Intrusion Detection and Prevention, Infrastructure Security, Network Monitoring, Wireless Networks, Authentications, Identity and Access Management, Enterprise Security, Cloud Computing, Data Loss Prevention
Beginner · Course · 1 - 3 Months

Skills you'll gain: Cyber Attacks, Endpoint Security, Infrastructure Security, Cloud Infrastructure
★ 5 (10) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Infrastructure as Code (IaC), Endpoint Security, Vulnerability Management, Cloud Security, Cyber Threat Intelligence, Vulnerability Assessments, Cyber Attacks, Network Architecture, Cloud Computing, Cloud Infrastructure, Zero Trust Network Access, Cybersecurity, Network Security, Cloud Deployment, Application Security, Infrastructure Security, AI Security, Security Strategy, IT Automation, Mobile Security
★ 4.7 (6) · Intermediate · Course · 1 - 3 Months

Starweaver
Skills you'll gain: Network Security, Network Planning And Design, VPN Clients, IT Security Architecture, Network Engineering, Virtual Private Networks (VPN), Network Administration, Cyber Security Strategy, Network Architecture, Firewall, Security Controls, Remote Access Systems, Network Monitoring, Intrusion Detection and Prevention, Virtual Local Area Network (VLAN), Threat Management, Threat Detection, Continuous Monitoring, Authentications, Incident Response
Intermediate · Course · 1 - 3 Months