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.

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, Computer Networking, Cybersecurity, Network Protocols, Human Factors (Security), Cyber Threat Intelligence, Cyber Attacks
Beginner · Specialization · 3 - 6 Months

LearnKartS
Skills you'll gain: Security Awareness, Information Systems Security, Cybersecurity, Data Sharing, Cyber Security Policies, Information Privacy, Security Controls, Authentications, Professional Development
Beginner · Course · 1 - 4 Weeks

Universitat Politècnica de València
Skills you'll gain: Cybersecurity, Cyber Attacks, Computer Security Awareness Training, Encryption, Security Awareness, Data Security, Personally Identifiable Information, Cyber Risk, Malware Protection, General Data Protection Regulation (GDPR), Information Privacy, Multi-Factor Authentication, Identity and Access Management
Beginner · Course · 1 - 4 Weeks

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

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

Skills you'll gain: Malware Protection, Cyber Attacks, Cybersecurity, Network Security, Cyber Security Policies, Brute-force attacks, Distributed Denial-Of-Service (DDoS) Attacks, Security Controls, Security Awareness, Firewall, Multi-Factor Authentication, Encryption
Beginner · Course · 1 - 3 Months

Macquarie University
Skills you'll gain: Cyber Risk, Security Awareness, Cyber Attacks, Mobile Security, Cybersecurity, Cyber Security Assessment, Cyber Security Policies, Data Security, Cyber Threat Hunting, Email Security, Authentications, Security Management, Security Strategy
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

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

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

LearnKartS
Skills you'll gain: Application Security, Data Security
Intermediate · Course · 1 - 4 Weeks

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