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 Assessments, Intrusion Detection and Prevention, Security Testing, Network Security, Threat Management, System Testing, Firewall, Cybersecurity, Cloud Security, Microsoft Azure, Virtual Private Networks (VPN), Virtual Networking, Command-Line Interface
Beginner · Course · 1 - 4 Weeks

Macquarie University
Skills you'll gain: Cyber Threat Intelligence, Cyber Security Strategy, Intrusion Detection and Prevention, Cyber Attacks, Cybersecurity, Artificial Intelligence and Machine Learning (AI/ML), Model Training, Threat Modeling, Machine Learning Methods, Python Programming
★ 4.9 (7) · Intermediate · Course · 1 - 3 Months

Royal Holloway, University of London
Skills you'll gain: Computer Security Incident Management, Linux, Network Security, Cyber Governance, IT Security Architecture, OSI Models, Incident Management, Incident Response, Security Management, Linux Commands, TCP/IP, Computer Systems, Threat Modeling, Command-Line Interface, Network Protocols, Computer Networking, Cybersecurity, Human Factors (Security), Cyber Threat Intelligence, Cyber Attacks
★ 4.8 (207) · Beginner · Specialization · 3 - 6 Months

LearnKartS
Skills you'll gain: Security Awareness, Information Systems Security, Cybersecurity, Data Sharing, Cyber Security Policies, Information Privacy, Data Loss Prevention, Fraud detection, Professional Development
★ 4.8 (12) · Beginner · Course · 1 - 4 Weeks

EC-Council
Skills you'll gain: Network Security, Mobile Security, Public Key Infrastructure, Cryptography, Security Controls, Cybersecurity, Authorization (Computing), Encryption, Authentications, Identity and Access Management, Wireless Networks, Cloud Computing, Cloud Security, Virtual Machines, Network Monitoring, Internet Of Things, Virtualization and Virtual Machines, Cyber Security Policies
★ 4.6 (124) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Network Security, Data Security, Emerging Technologies, Quantum computing
Intermediate · Course · 1 - 4 Weeks

Macquarie University
Skills you'll gain: Cyber Risk, Security Awareness, Cyber Attacks, Mobile Security, Cybersecurity, Cyber Security Assessment, Cyber Security Policies, Cyber Threat Hunting, Data Security, Security Strategy, Email Security, Authentications, Security Management
★ 4.7 (27) · Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Application Security, OAuth, Data Validation, Authentications, Back-End Web Development, Secure Coding, Identity and Access Management, Web Applications, Authorization (Computing), Cyber Attacks, Distributed Denial-Of-Service (DDoS) Attacks, Data Integrity, Server Side, Security Strategy, Package and Software Management, Patch Management
★ 4.9 (17) · Intermediate · Course · 1 - 4 Weeks

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

LearnKartS
Skills you'll gain: Security Controls, Cybersecurity, Encryption, Cyber Attacks, Information Systems Security, Cryptographic Protocols, Threat Management, Vulnerability Assessments, Vulnerability, Cyber Security Assessment, Vulnerability Scanning, Threat Detection, Cloud Security, Key Management, Asset Protection, Security Awareness, Gap Analysis
★ 4.6 (33) · Beginner · Course · 1 - 4 Weeks

The State University of New York
Skills you'll gain: Cyber Threat Intelligence, Cyber Security Policies, Cyber Security Strategy, Cybersecurity, International Relations, Cyber Operations, Cyber Attacks, Cyber Governance, Network Infrastructure, Diplomacy, Conflict Management, Computer Security Incident Management, Security Management, Human Factors (Security), Political Sciences, Media and Communications, Social Studies, Psychology
★ 4.5 (1.6K) · Mixed · 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, Wireless Networks, Computer Networking, Network Routing, Network Performance Management, Application Security, Network Model, Software-Defined Networking, Computer Security Awareness Training
Intermediate · Course · 1 - 3 Months