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, Dynamic Host Configuration Protocol (DHCP), General Networking, Network Infrastructure, Computer Networking, Endpoint Security, Endpoint Detection and Response, Network Planning And Design, Network Protocols, Event Monitoring, Data Loss Prevention, TCP/IP, Network Monitoring, Network Troubleshooting, Cybersecurity, Firewall, Network Routers, Network Routing, Intrusion Detection and Prevention, Security Controls
★ 4.7 (3.5K) · Intermediate · Course · 1 - 3 Months

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

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

LearnKartS
Skills you'll gain: Security Controls, Cybersecurity, Encryption, Cyber Attacks, Information Systems Security, Threat Management, Vulnerability Assessments, Vulnerability, Cyber Security Assessment, Vulnerability Scanning, Threat Detection, Cloud Security, Asset Protection, Security Awareness, Gap Analysis
★ 4.6 (42) · 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

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

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: 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

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
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

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

LearnKartS
Skills you'll gain: MITRE ATT&CK Framework, Cyber Threat Intelligence, Cybersecurity, Penetration Testing, Cyber Security Assessment, Cyber Security Strategy, Security Controls, Cyber Attacks, Security Testing, Application Security, Endpoint Security, Network Security, Infrastructure Security, Cyber Risk, Firewall, Data Security
★ 4.7 (50) · Intermediate · Course · 1 - 3 Months