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: Key Management, Security Management, Cyber Attacks, Cryptography, Cyber Security Policies, Cybersecurity, Cyber Risk, Encryption, ISO/IEC 27001, Threat Management, Cyber Governance, Risk Management Framework, Computer Security, Information Assurance, Security Controls, Enterprise Security, Data Integrity
★ 4.7 (316) · Beginner · Course · 1 - 4 Weeks

Fortinet, Inc.
Skills you'll gain: Virtual Private Networks (VPN), Firewall, Network Routing, Routing Protocols, Intrusion Detection and Prevention, Authentications, Lightweight Directory Access Protocols, Remote Access Systems, Network Security, Network Administration, Virtual Networking, Cyber Security Policies, Security Controls, User Accounts, System Configuration, Network Monitoring
★ 4.7 (96) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: IT Security Architecture, Information Systems Security, Network Security, Security Controls, Cybersecurity, Security Awareness, AI Security, Encryption, Cryptography, Security Strategy, Computer Security Awareness Training, Authorization (Computing), Threat Management, Firewall, Authentications, Identity and Access Management, Threat Detection, Hardening, Malware Protection, Cryptographic Protocols
★ 4.8 (26K) · Beginner · Course · 1 - 3 Months

Cisco Learning and Certifications
Skills you'll gain: Network Security, Distributed Denial-Of-Service (DDoS) Attacks, Malware Protection, Network Monitoring, TCP/IP, Network Infrastructure, Network Protocols, Firewall, Computer Security, Network Analysis, Exploitation techniques, General Networking, Authorization (Computing), Web Applications, Security Controls, Identity and Access Management, Authentications
★ 4.8 (735) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Security Management, Threat Management, Cybersecurity, Cyber Risk, Risk Management Framework, Risk Management, Business Risk Management, Incident Response, Vulnerability Management, Risk Mitigation, Security Information and Event Management (SIEM), Security Controls, Computer Security, Risk Analysis, Threat Detection, Open Web Application Security Project (OWASP), Event Monitoring, Auditing
★ 4.8 (11K) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Threat Modeling, Threat Management, Vulnerability Management, Cyber Threat Intelligence, Security Awareness, Cybersecurity, Vulnerability Assessments, Threat Detection, MITRE ATT&CK Framework, Data Security, Cyber Security Strategy, Cyber Risk, Authorization (Computing), Malware Protection, Authentications, Security Controls, Risk Management Framework, Identity and Access Management, Data Management, Cryptography
★ 4.8 (4.1K) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Intrusion Detection and Prevention, Incident Response, Computer Security Incident Management, Endpoint Detection and Response, Threat Detection, Event Monitoring, Security Information and Event Management (SIEM), Incident Management, Cyber Threat Intelligence, Continuous Monitoring, Security Controls, Network Security, Network Monitoring, Splunk, Network Analysis, TCP/IP, Network Protocols, Document Management, Query Languages
★ 4.8 (3.4K) · Beginner · Course · 1 - 4 Weeks

Kennesaw State University
Skills you'll gain: Email Security, Wireless Networks, Mobile Security, Incident Response, Cybersecurity, Cyber Security Assessment, 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, Threat Management, Social Media
★ 4.9 (63) · Beginner · Specialization · 3 - 6 Months

Fortinet, Inc.
Skills you'll gain: Network Support, Network Troubleshooting, Firewall, Network Monitoring, Technical Support and Services, Network Security, Virtual Private Networks (VPN), Lightweight Directory Access Protocols, System Monitoring, Authentications, Performance Tuning, Security Software, System Configuration, Cybersecurity, Memory Management, Malware Protection
★ 4.6 (30) · Intermediate · Course · 1 - 3 Months

ISC2
Skills you'll gain: Network Security, Cybersecurity, Cyber Attacks, IT Security Architecture, Infrastructure Security, Threat Detection, Computer Networking, Data Centers, General Networking, Distributed Denial-Of-Service (DDoS) Attacks, Intrusion Detection and Prevention, Threat Management, Cloud Services, Data Security, Network Planning And Design, Firewall, Cloud Security, OSI Models, Network Protocols, Network Model
★ 4.7 (249) · Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Network Security, Network Monitoring, Firewall, Google Cloud Platform, Cloud Security, Intrusion Detection and Prevention, Identity and Access Management, Proxy Servers, Network Administration, Threat Detection, Infrastructure Security, Cyber Security Policies
★ 4.5 (8) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Business Continuity Planning, Cyber Attacks, Cybersecurity, Threat Management, Business Continuity, Security Management, Endpoint Security, Disaster Recovery, Cyber Security Policies, Information Assurance, Cyber Governance, Vulnerability Assessments, Contingency Planning, Law, Regulation, and Compliance, Network Security, Governance Risk Management and Compliance, Continuous Monitoring, Security Controls, Cloud Security, Risk Management
★ 4.6 (88) · Beginner · Course · 1 - 3 Months