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.

Akamai Technologies, Inc.
Skills you'll gain: Endpoint Security, Incident Response, Network Security, Vulnerability Scanning, Computer Security Incident Management, Security Management, Incident Management, Penetration Testing, Cybersecurity, Authentications, Cyber Attacks, Security Controls, Vulnerability Assessments, Encryption, Firewall, Threat Management, User Accounts, Identity and Access Management, Mobile Security, Risk Management
★ 4.9 (31) · Beginner · Course · 1 - 3 Months

Kennesaw State University
Skills you'll gain: Cybersecurity, Cyber Security Policies, Cyber Attacks, Cyber Risk, Information Privacy, Data Ethics, Authentications, General Data Protection Regulation (GDPR), Human Factors (Security), NIST 800-53
★ 4.9 (19) · Beginner · Course · 1 - 3 Months

EC-Council
Skills you'll gain: Network Security, Mobile Security, Public Key Infrastructure, Cryptography, Security Controls, Cryptographic Protocols, Cybersecurity, Authorization (Computing), Encryption, Authentications, Identity and Access Management, Wireless Networks, Cloud Computing, Cloud Security, Virtual Machines, Network Monitoring, Data Security, Internet Of Things, Virtualization and Virtual Machines
★ 4.6 (125) · Beginner · Course · 1 - 3 Months
Skills you'll gain: Threat Management, Cybersecurity, Cyber Risk, Computer Security Incident Management, Risk Management Framework, Risk Management, Incident Response, Vulnerability Management, Risk Mitigation, Security Information and Event Management (SIEM), Security Controls, Enterprise Security, Risk Analysis, Threat Detection, Open Web Application Security Project (OWASP), Asset Protection, System Monitoring, Auditing
★ 4.8 (11K) · Beginner · Course · 1 - 4 Weeks
Skills you'll gain: IT Security Architecture, Information Systems Security, Network Security, Application Security, Security Controls, Cybersecurity, Security Awareness, Cyber Attacks, Encryption, Data Security, Cryptography, Security Strategy, Security Management, Computer Security Awareness Training, Cyber Security Policies, Authorization (Computing), Threat Management, Firewall, Authentications, Identity and Access Management
★ 4.8 (26K) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Penetration Testing, Exploitation techniques, Vulnerability Assessments, Cyber Security Assessment, Security Testing, Vulnerability Scanning, Risk Mitigation, Application Security, Test Tools, Authentications, Authorization (Computing), Web Applications, Remote Access Systems, Continuous Monitoring, Security Controls, Event Monitoring, Web Servers, Virtualization, Identity and Access Management, Linux
Advanced · Course · 1 - 4 Weeks
Skills you'll gain: Threat Modeling, Threat Management, Vulnerability Management, Cyber Threat Intelligence, Security Awareness, Cybersecurity, Cyber Attacks, Vulnerability Assessments, Threat Detection, MITRE ATT&CK Framework, Data Security, Cyber Risk, Authorization (Computing), Malware Protection, Authentications, Security Controls, Risk Management Framework, Identity and Access Management, Data Management, Cryptography
★ 4.8 (4.2K) · Beginner · Course · 1 - 4 Weeks

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
★ 4.8 (46) · Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Authentications, Threat Detection, Multi-Factor Authentication, Cyber Security Strategy, Cybersecurity, Malware Protection, Threat Management, Data Loss Prevention, Endpoint Security, Disaster Recovery, Security Awareness, Data Security, Human Factors (Security), Email Security, Information Privacy, Network Security, Cyber Security Assessment, Patch Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Cyber Attacks, Endpoint Security, Infrastructure Security, Cloud Infrastructure
★ 4.9 (12) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Cybersecurity, Computer Security Incident Management, Exploitation techniques
★ 4.9 (10) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Cloud Security, Network Security, Threat Detection, Proxy Servers, Network Monitoring, Intrusion Detection and Prevention, Network Troubleshooting, Firewall, Google Cloud Platform, Security Controls, Continuous Monitoring, Identity and Access Management, Virtual Networking, Cloud Infrastructure
Intermediate · Course · 1 - 3 Months