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: Penetration Testing, Cyber Security Assessment, Exploitation techniques, Vulnerability Assessments, Intrusion Detection and Prevention, Application Security, Network Security, Distributed Denial-Of-Service (DDoS) Attacks, Virtual Local Area Network (VLAN), Cloud Security, Wireless Networks, Application Programming Interface (API)
Advanced · Course · 1 - 4 Weeks

University of London
Skills you'll gain: Network Security, OSI Models, TCP/IP, Threat Modeling, Computer Networking, Network Protocols, Cybersecurity, Application Security, Network Architecture, Cryptographic Protocols, Vulnerability Assessments, Network Infrastructure, Network Routing
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Business Continuity Planning, Incident Response, Risk Mitigation, Cyber Threat Hunting, Risk Management Framework, Cyber Risk, Risk Management, Computer Security Incident Management, Risk Analysis, Threat Management, Cybersecurity, IT Management, Vulnerability Management, Security Management, Enterprise Risk Management (ERM), Network Security, Cyber Security Policies, Business Risk Management, Cyber Threat Intelligence, Disaster Recovery
Intermediate · Specialization · 1 - 3 Months

EC-Council
Skills you'll gain: Network Security, Mobile Security, Public Key Infrastructure, Cryptography, Security Controls, Cybersecurity, Authorization (Computing), Encryption, 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, OSI Models, Distributed Denial-Of-Service (DDoS) Attacks, Firewall, TCP/IP, Network Administration, Wireless Networks, Network Protocols, General Networking, Intrusion Detection and Prevention, Local Area Networks, Network Routers, Security Controls, Mobile Security, Authentications, Authorization (Computing)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Network Security, Network Administration, Infrastructure Security, Ansible, Information Systems Security, Firewall, Security Controls, Wireless Networks, Network Monitoring, Computer Networking, Software-Defined Networking, Identity and Access Management, Authorization (Computing), Scripting, Authentications, Automation, Encryption
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Open Web Application Security Project (OWASP), Mobile Security, Network Security, Cybersecurity, Cryptography, Exploit development, Penetration Testing, Intrusion Detection and Prevention, Vulnerability Assessments, Wireless Networks, Encryption, Secure Coding, Application Security, Threat Modeling, Web Applications, Cloud Security, Internet Of Things
Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Network Security, Distributed Denial-Of-Service (DDoS) Attacks, Threat Modeling, Information Systems Security, Cybersecurity, Encryption, Proxy Servers, Information Privacy, Servers, Web Servers, Cloud Hosting
Intermediate · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Data Security, Personally Identifiable Information, Information Assurance, Security Management, Data Governance, Data Loss Prevention, Data Management, Threat Management, Threat Detection, Encryption, Identity and Access Management
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Network Security, Endpoint Security, Hardening, Virtual Private Networks (VPN), Firewall, Cloud Security, Cybersecurity, Infrastructure Security, Role-Based Access Control (RBAC), Cloud Computing, Authorization (Computing), Identity and Access Management, Email Security, Network Infrastructure, Network Protocols, Authentications, System Configuration
Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Security Controls, Threat Management, Cybersecurity, Cyber Attacks, Public Key Infrastructure, Encryption, Threat Detection, Cryptography, Data Security, Continuous Monitoring, Security Management, Compliance Management, Zero Trust Network Access, Information Assurance, Vulnerability Management, Governance Risk Management and Compliance, Data Encryption Standard, Blockchain, Data Integrity
Beginner · Course · 1 - 4 Weeks

Kennesaw State University
Skills you'll gain: Wireless Networks, Mobile Security, General Networking, Proxy Servers, Network Security, Cybersecurity, Virtual Private Networks (VPN), Computer Security Awareness Training, Personally Identifiable Information, Information Privacy, Emerging Technologies
Beginner · Course · 1 - 3 Months