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.

Johns Hopkins University
Skills you'll gain: Exploitation techniques, Border Gateway Protocol, Malware Protection, Cybersecurity, Routing Protocols, Internet Of Things, Network Security, Cyber Attacks, Threat Detection, Network Monitoring, Network Routing, Network Analysis, Cyber Risk, Network Protocols, Vulnerability Assessments, Docker (Software), Containerization
★ 4.8 (8) · Intermediate · Course · 1 - 3 Months

Palo Alto Networks
Skills you'll gain: Zero Trust Network Access, Network Security, Endpoint Security, Network Administration, General Networking, TCP/IP, Cybersecurity, Network Infrastructure, Firewall, Security Controls, Cryptography, OSI Models, Network Protocols, Dynamic Host Configuration Protocol (DHCP), Encryption, Authentications, Network Routing, Software As A Service
★ 4.7 (219) · Intermediate · Course · 1 - 3 Months

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

University of California, Davis
Skills you'll gain: Threat Modeling, Secure Coding, Cryptography, Open Web Application Security Project (OWASP), Encryption, Application Security, Penetration Testing, Data Security, Exploitation techniques, Security Controls, Authentications, Vulnerability Management, Advanced Encryption Standard (AES), Personally Identifiable Information, Data Flow Diagrams (DFDs)
★ 4.6 (179) · Intermediate · Course · 1 - 4 Weeks

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

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 (664) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cybersecurity, Computer Security Awareness Training, Security Awareness, Cyber Attacks, Cyber Security Strategy, Zero Trust Network Access, Information Systems Security, Threat Detection, Data Security, Human Factors (Security), Security Engineering, Personally Identifiable Information, Data Loss Prevention, Security Controls, Intercultural Competence, Proactivity, Network Security, Security Strategy, Cultural Responsiveness, Information Technology
Beginner · Course · 1 - 3 Months

Skills you'll gain: Network Security, Network Administration, Cryptography, Firewall, Cryptographic Protocols, Cybersecurity, Intrusion Detection and Prevention, Virtual Private Networks (VPN), Cloud Security, IT Security Architecture, Cyber Attacks, Security Controls, Public Key Infrastructure, Network Monitoring, Encryption, Network Planning And Design, Human Factors (Security), Local Area Networks, Virtual Local Area Network (VLAN), Network Switches
Intermediate · Course · 1 - 4 Weeks

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

Skills you'll gain: General Data Protection Regulation (GDPR), Infrastructure Architecture, Computer Security Awareness Training, Enterprise Security, Human Factors (Security), Artificial Intelligence
★ 4.9 (21) · Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Network Security, Distributed Denial-Of-Service (DDoS) Attacks, Hardening, Cryptographic Protocols, Cybersecurity, Encryption, Security Controls, Proxy Servers, Information Privacy, Servers, Communication Systems, Web Servers, Network Routing, Network Analysis, Cloud Hosting, Cloud Deployment
★ 4.1 (36) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Threat Detection, Cyber Threat Hunting, Anomaly Detection, Network Security, General Networking, Network Monitoring, Real Time Data, Security Strategy, Network Analysis, Network Protocols, Data Capture
★ 4 (9) · Intermediate · Guided Project · Less Than 2 Hours