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: Cryptography, Cybersecurity, Network Security, Cryptographic Protocols, Cyber Attacks, Encryption, IT Security Architecture, Identity and Access Management, Threat Management, Threat Detection, Firewall, Key Management, Security Management, Infrastructure Security, Security Controls, Network Planning And Design, Authorization (Computing), Public Key Infrastructure, Authentications, Risk Management Framework
★ 4.6 (9) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Cyber Threat Intelligence, MITRE ATT&CK Framework, Network Security, Cyber Threat Hunting, Cyber Security Strategy, Threat Detection, Cybersecurity, Threat Management, Cyber Security Assessment, Operating System Administration, IT Security Architecture, Cyber Attacks, Intrusion Detection and Prevention, Cyber Engineering, Malware Protection, Vulnerability Management, Vulnerability Assessments, Incident Response, Network Monitoring, Incident Management
Beginner · Course · 1 - 4 Weeks

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

ISC2
Skills you'll gain: Network Security, Cybersecurity, Cyber Attacks, IT Security Architecture, Infrastructure Security, Threat Detection, Computer Networking, Data Centers, General Networking, Distributed Denial-Of-Service (DDoS) Attacks, Intrusion Detection and Prevention, Threat Management, Cloud Services, Data Security, Network Planning And Design, Firewall, Cloud Security, OSI Models, Network Protocols, Network Model
★ 4.7 (249) · Beginner · Course · 1 - 3 Months

Cisco Learning and Certifications
Skills you'll gain: Network Security, Role-Based Access Control (RBAC), Cybersecurity, Firewall, Network Monitoring, Authentications, Virtual Private Networks (VPN), Authorization (Computing), Intrusion Detection and Prevention, Identity and Access Management, Security Controls, Encryption, Group Policy
Beginner · Course · 1 - 3 Months

Kennesaw State University
Skills you'll gain: Network Security, Network Administration, Security Management, Firewall, Cyber Attacks, Network Monitoring, Cybersecurity, General Networking, Cyber Security Assessment, Network Protocols, Virtual Private Networks (VPN), Wireless Networks, Vulnerability Assessments, Cloud Security, System Monitoring, Continuous Monitoring, TCP/IP, Intrusion Detection and Prevention, Cloud Computing, Threat Detection
★ 4.8 (238) · 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, Cyber Threat Hunting, Data Security, Security Strategy, Email Security, Authentications, Security Management
★ 4.7 (27) · Beginner · Course · 1 - 4 Weeks

EC-Council
Skills you'll gain: Cryptography, Encryption, Systems Development Life Cycle, Human Factors (Security), Threat Management, Systems Development, Security Management, Information Assurance, Cryptographic Protocols, Security Awareness, Cybersecurity, Cyber Attacks, Computer Security Awareness Training, Cyber Security Policies, Threat Detection, ISO/IEC 27001, Data Security, Security Controls, Cyber Threat Intelligence, Network Security
★ 4.8 (38) · Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Cryptography, Public Key Infrastructure, Cybersecurity, Information Systems Security, Data Security, Firewall, Cyber Attacks, Data Encryption Standard, Penetration Testing, Network Security, Encryption, Exploit development, Advanced Encryption Standard (AES), Cryptographic Protocols, Intrusion Detection and Prevention, Metasploit, Application Security, Security Testing, Cyber Security Policies, Security Controls
★ 4 (600) · Intermediate · Specialization · 3 - 6 Months

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

Skills you'll gain: Application Security, Data Security, Information Systems Security, Internet Of Things, Threat Modeling, Cybersecurity, Cloud Security, Security Engineering, Cryptography, Secure Coding, Network Security, Cyber Attacks, Mobile Security, Vulnerability, Risk Management Framework, Threat Management, Encryption, Cloud Services, Web Applications, Cloud Platforms
★ 4.8 (12) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Network Security, Intrusion Detection and Prevention, Command-Line Interface, Cybersecurity, IT Security Architecture, Information Systems Security, Local Area Networks, Cyber Attacks, Computer Security, Linux Commands, Windows PowerShell, Security Controls, Hardening, Vulnerability Scanning, Endpoint Security, Threat Detection, Linux, Network Architecture, Wireless Networks, Network Analysis
★ 4.6 (13) · Intermediate · Course · 1 - 4 Weeks