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.

Fortinet, Inc.
Skills you'll gain: Virtual Private Networks (VPN), Firewall, Network Routing, Intrusion Detection and Prevention, Authentications, Lightweight Directory Access Protocols, Network Security, Network Administration, Identity and Access Management, Security Controls, System Configuration, Network Monitoring, Enterprise Security
Intermediate · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Secure Coding, Open Web Application Security Project (OWASP), Authentications, Authorization (Computing), Microsoft Copilot, Application Security, Data Validation, Web Applications, Security Controls, Vulnerability Assessments, Data Security, Data Integrity, Encryption
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, Threat Management, Network Planning And Design, Firewall, Network Protocols, Cloud Computing, TCP/IP, Encryption
Beginner · Course · 1 - 3 Months

Illinois Tech
Skills you'll gain: Cybersecurity, Cyber Attacks, Network Security, Information Systems Security, Computer Security, Cryptography, Disaster Recovery, Application Security, Cyber Operations, Cyber Security Policies, Cryptographic Protocols, IT Security Architecture, Telecommunications, Network Administration, NIST 800-53, Infrastructure Security, Security Controls, Data Security, Encryption, Governance Risk Management and Compliance
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Vulnerability Management, Network Protocols
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Threat Modeling, Threat Management, Vulnerability Management, Cybersecurity, Cyber Attacks, Vulnerability Assessments, Data Security, Cyber Risk, NIST 800-53, Authorization (Computing), Malware Protection, Authentications, Security Strategy, Security Controls, Risk Management Framework, Personally Identifiable Information, Encryption, Cryptography
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Cybersecurity, Business Continuity, Threat Detection, Endpoint Security, Cyber Security Policies, Incident Response, Cyber Governance, Vulnerability Assessments, Network Security, Application Security, Cloud Security, Risk Management, Encryption, Authentications
Beginner · Course · 1 - 3 Months

EC-Council
Skills you'll gain: Cryptography, Encryption, Systems Development Life Cycle, Human Factors (Security), Security Management, Security Awareness, Cybersecurity, Cyber Attacks, Cyber Security Policies, Threat Detection, ISO/IEC 27001, Security Controls, Computer Security, Network Security, Risk Management Framework, Information Systems, General Data Protection Regulation (GDPR)
Beginner · Course · 1 - 3 Months

Skills you'll gain: Cyber Attacks, Infrastructure Security, Cloud Infrastructure
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, Penetration Testing, Cybersecurity, Authentications, Vulnerability Assessments, Encryption, Firewall, Identity and Access Management, Hardening, Threat Detection, Disaster Recovery, Public Key Infrastructure, Mobile Security, Risk Management Framework, Risk Management
Beginner · Course · 1 - 3 Months

University of London
Skills you'll gain: Key Management, Security Management, Cyber Attacks, Cryptography, Cyber Security Policies, Cybersecurity, Cyber Risk, Encryption, Information Assurance, Incident Response
Build toward a degree
Beginner · Course · 1 - 4 Weeks

The State University of New York
Skills you'll gain: Cyber Threat Intelligence, Cyber Security Policies, Cybersecurity, International Relations, Cyber Governance, Network Infrastructure, Conflict Management, Security Management, Political Sciences, Media and Communications, Psychology
Mixed · Course · 1 - 3 Months