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.

Microsoft
Skills you'll gain: Virtual Private Networks (VPN), Cybersecurity, Security Controls, Multi-Factor Authentication, Network Security, Data Security, Information Privacy, Cloud Computing Architecture, Cloud Computing, Network Performance Management, Encryption
★ 4.9 (150) · Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Network Security, Hardening, Network Protocols, Cloud Security, Network Architecture, TCP/IP, Computer Networking, General Networking, Firewall, Cloud Infrastructure, Security Controls, Cloud Computing, Virtual Private Networks (VPN)
★ 4.8 (7.4K) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cryptography, Network Security, OSI Models, Public Key Infrastructure, Network Protocols, Encryption, Remote Access Systems, Firewall, Emerging Technologies, Wireless Networks, Local Area Networks, Authentications, Quantum computing
★ 4.8 (12) · Advanced · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Security Awareness, Information Systems Security, Cybersecurity, Cyber Security Policies, Information Privacy, Data Sharing, Telecommuting, Professional Development
★ 4.7 (15) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Information Systems Security, Risk Management, Security Management, Law, Regulation, and Compliance, Cyber Governance, Governance, Regulation and Legal Compliance, Cybersecurity, Security Controls, Risk Mitigation, Information Privacy, Risk Control, Risk Analysis, Vulnerability Assessments, Event Monitoring, Regulatory Compliance, Information Systems, Intellectual Property
★ 4.6 (68) · Advanced · Course · 1 - 4 Weeks
Skills you'll gain: IT Security Architecture, Information Systems Security, Network Security, Application Security, Cybersecurity, Security Awareness, Cyber Attacks, Encryption, Data Security, Cryptography, Security Strategy, Computer Security Awareness Training, Cyber Security Policies, Authorization (Computing), Firewall, Authentications, Identity and Access Management, Hardening, Malware Protection, Network Monitoring
★ 4.8 (26K) · Beginner · Course · 1 - 3 Months

ISC2
Skills you'll gain: Network Security, Cybersecurity, Cyber Attacks, Infrastructure Security, Threat Detection, Computer Networking, Data Centers, General Networking, Cloud Services, Network Planning And Design, Network Protocols, Network Model
★ 4.7 (262) · Beginner · Course · 1 - 3 Months

Akamai Technologies, Inc.
Skills you'll gain: Endpoint Security, Incident Response, Network Security, Vulnerability Scanning, Computer Security Incident Management, Security Management, Cybersecurity, Authentications, Cyber Attacks, Security Controls, Encryption, Firewall, User Accounts, Hardening, Cryptography, Disaster Recovery, Public Key Infrastructure, Mobile Security, Risk Management, Wireless Networks
★ 4.9 (31) · Beginner · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Vulnerability Management, Penetration Testing, Vulnerability Scanning, Vulnerability Assessments, Intrusion Detection and Prevention, Security Testing, Network Security, Cyber Security Assessment, Security Software, System Testing, Security Strategy, Firewall, Cybersecurity, Cloud Security, Exploitation techniques, Microsoft Azure, Virtual Private Networks (VPN)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Security Testing, Continuous Monitoring, Cyber Security Assessment, Penetration Testing, Vulnerability Assessments, Intrusion Detection and Prevention, Security Controls, White-Box Testing
★ 4.9 (8) · Advanced · Course · 1 - 4 Weeks

Fortinet, Inc.
Skills you'll gain: Virtual Private Networks (VPN), Firewall, Network Routing, Intrusion Detection and Prevention, Authentications, Lightweight Directory Access Protocols, Remote Access Systems, Network Security, Network Administration, Security Software, Security Controls, System Configuration, Network Monitoring
★ 4.7 (101) · Intermediate · Course · 1 - 3 Months
Skills you'll gain: Threat Management, Cybersecurity, Cyber Risk, Risk Management, Incident Response, Vulnerability Management, Risk Mitigation, Security Information and Event Management (SIEM), Security Controls, Risk Analysis, Threat Detection, Open Web Application Security Project (OWASP), Auditing
★ 4.8 (11K) · Beginner · Course · 1 - 4 Weeks