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.

Institut Mines-Télécom
Skills you'll gain: Cybersecurity, Application Security, Cyber Attacks, Threat Modeling, Security Testing, Secure Coding, Security Controls, Exploitation techniques, Vulnerability Assessments, SQL, Databases
Intermediate · Course · 1 - 3 Months

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

University of London
Skills you'll gain: Network Security, IT Security Architecture, OSI Models, TCP/IP, Threat Modeling, Computer Networking, Network Protocols, 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

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

Intermediate · Course · 1 - 3 Months

Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Cybersecurity, Computer Security Incident Management, Exploitation techniques
★ 4.9 (10) · Beginner · 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: Cybersecurity, Network Security, Cloud Security, Cyber Attacks, Information Systems Security, Application Security, OSI Models, Cryptography, Data Security, Cryptographic Protocols, Encryption, Network Administration, Endpoint Security, General Networking, Malware Protection, Cloud Computing, Wireless Networks, Network Protocols, Public Key Infrastructure, Data Integrity
Intermediate · Course · 1 - 4 Weeks

New York University
Skills you'll gain: Cyber Attacks, Infrastructure Security, Mobile Security, Enterprise Security, Cyber Risk, Cyber Governance, Cyber Security Policies, Cybersecurity, IT Security Architecture, Cloud Security, NIST 800-53, Hybrid Cloud Computing, Security Awareness, Security Controls, Risk Management Framework, Blockchain, Internet Of Things, Cryptographic Protocols, Cryptography, Data Integrity
★ 4.7 (685) · Intermediate · 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, Intrusion Detection and Prevention, Threat Detection, TCP/IP, Network Analysis, Network Protocols, Cybersecurity, Application Security, Vulnerability Scanning, Wireless Networks, Splunk, Information Privacy
Intermediate · Course · 1 - 3 Months

Total Seminars
Skills you'll gain: Network Security, Virtual Private Networks (VPN), IT Security Architecture, Intrusion Detection and Prevention, Hardening, Network Monitoring, Firewall, Network Administration, Remote Access Systems, Network Architecture, Network Planning And Design, Continuous Monitoring, Zero Trust Network Access, Security Engineering, Security Controls, Security Management, Threat Detection, Security Information and Event Management (SIEM), Security Awareness
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, Encryption, Remote Access Systems, Cryptographic Protocols, Group Policy
★ 4.7 (6) · Beginner · Course · 1 - 3 Months