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.

Skills you'll gain: Network Security, Hardening, Network Protocols, Cloud Security, Network Architecture, Intrusion Detection and Prevention, TCP/IP, Vulnerability Assessments, Computer Networking, Cybersecurity, Network Infrastructure, Firewall, Cloud Computing, Virtual Private Networks (VPN), Encryption
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Networking Hardware, TCP/IP, Network Security, Network Protocols, Endpoint Detection and Response, Network Routing, Cybersecurity, Local Area Networks, Dynamic Host Configuration Protocol (DHCP), Firewall, General Networking, Information Systems Security, Intrusion Detection and Prevention, Endpoint Security, Network Infrastructure, Network Planning And Design, Wireless Networks, Security Information and Event Management (SIEM), Network Analysis, Data Loss Prevention
Intermediate · Course · 1 - 3 Months

Cisco Learning and Certifications
Skills you'll gain: Network Security, Distributed Denial-Of-Service (DDoS) Attacks, Malware Protection, Network Monitoring, Network Administration, TCP/IP, Network Infrastructure, Infrastructure Security, Intrusion Detection and Prevention, Network Protocols, Load Balancing, Firewall, Vulnerability Assessments, General Networking, Authorization (Computing), Web Applications, Authentications
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Security Management, Threat Management, Cybersecurity, Cyber Risk, Risk Management, Incident Response, Vulnerability Management, Security Information and Event Management (SIEM), Security Controls, Continuous Monitoring, Information Systems Security, Enterprise Security, Risk Analysis, Threat Detection, Information Assurance, Auditing, Compliance Auditing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Intrusion Detection and Prevention, Incident Response, Computer Security Incident Management, Threat Detection, Event Monitoring, Security Information and Event Management (SIEM), Security Management, Network Security, Network Monitoring, Splunk, Network Analysis, Technical Documentation
Beginner · Course · 1 - 4 Weeks

Birla Institute of Technology & Science, Pilani
Skills you'll gain: TCP/IP, Network Protocols, Network Infrastructure, Network Security, OSI Models, Network Architecture, Routing Protocols, Wireless Networks, Computer Networking, Network Routing, Network Performance Management, Application Security, Network Model, Software-Defined Networking, Computer Security Awareness Training
Intermediate · Course · 1 - 3 Months

Skills you'll gain: IT Security Architecture, Network Security, Cybersecurity, Security Awareness, Encryption, Cryptography, Security Management, Authorization (Computing), Firewall, Authentications, Threat Detection, Hardening, Malware Protection, AI Enablement, Wireless Networks
Beginner · Course · 1 - 3 Months

Fortinet, Inc.
Skills you'll gain: Virtual Private Networks (VPN), Firewall, Network Routing, Intrusion Detection and Prevention, Authentications, Lightweight Directory Access Protocols, Network Security, Network Administration, Identity and Access Management, Security Controls, System Configuration, Network Monitoring, Enterprise Security
Intermediate · Course · 1 - 3 Months

Kennesaw State University
Skills you'll gain: Email Security, Wireless Networks, Mobile Security, Incident Response, Cybersecurity, Personally Identifiable Information, Cyber Attacks, Firewall, General Networking, Threat Detection, Cyber Security Policies, Computer Security Awareness Training, Proxy Servers, Computer Security Incident Management, Network Security, Security Awareness, Cyber Threat Intelligence, Cyber Risk, Virtual Private Networks (VPN), Social Media
Beginner · Specialization · 3 - 6 Months

University of London
Skills you'll gain: Key Management, Security Management, Cyber Attacks, Cryptography, Cyber Security Policies, Cybersecurity, Encryption, Cyber Risk, Information Assurance, Incident Response
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Malware Protection, Cyber Attacks, Cybersecurity, Network Security, Cyber Security Policies, Brute-force attacks, Distributed Denial-Of-Service (DDoS) Attacks, Security Controls, Security Awareness, Firewall, Multi-Factor Authentication, Encryption
Beginner · 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