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: 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

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

Cisco Learning and Certifications
Skills you'll gain: Network Security, Infrastructure Security, Network Infrastructure, Network Monitoring, IT Security Architecture, Firewall, Cybersecurity, TCP/IP, Network Protocols, Malware Protection, Exploitation techniques, Enterprise Security
★ 4.8 (741) · Mixed · Course · 1 - 4 Weeks
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

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

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

Skills you'll gain: Cyber Threat Intelligence, MITRE ATT&CK Framework, Hardening, Cyber Threat Hunting, Exploitation techniques, Linux Commands, Intrusion Detection and Prevention, Cyber Operations, Linux, Cybersecurity, Cyber Security Strategy, Threat Detection, Network Security, Network Monitoring, Cyber Security Assessment, Operating Systems, Cyber Attacks, Cyber Engineering, Network Administration, Security Awareness
Beginner · 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, Endpoint Security, General Networking, Malware Protection, Wireless Networks, Network Protocols, Public Key Infrastructure, Data Integrity
Intermediate · 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: 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
Skills you'll gain: Threat Modeling, Vulnerability Management, Cybersecurity, Vulnerability Assessments, Data Security, Cyber Risk, Authorization (Computing), Authentications, Security Controls, Encryption, Cryptography
★ 4.8 (4.2K) · Beginner · Course · 1 - 4 Weeks