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: Distributed Denial-Of-Service (DDoS) Attacks, Cloud Security, Network Security, Threat Detection, Proxy Servers, Network Monitoring, Intrusion Detection and Prevention, Network Troubleshooting, Firewall, Google Cloud Platform, Security Controls, Continuous Monitoring, Identity and Access Management, Virtual Networking, Cloud Infrastructure
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Network Security, Virtual Private Networks (VPN), Authentications, Firewall, Authorization (Computing), Computer Security, Remote Access Systems, Cybersecurity, General Networking, Network Monitoring, Identity and Access Management, Security Controls, IT Automation, Software-Defined Networking, Wireless Networks, Dynamic Host Configuration Protocol (DHCP), Virtual Local Area Network (VLAN), Network Routers, Network Routing, Encryption
Intermediate · Course · 1 - 3 Months

Palo Alto Networks
Skills you'll gain: Zero Trust Network Access, Network Security, Endpoint Security, Network Administration, General Networking, TCP/IP, Cybersecurity, Network Infrastructure, Firewall, Security Controls, Cryptography, OSI Models, Network Protocols, Dynamic Host Configuration Protocol (DHCP), Encryption, Authentications, Network Routing, Software As A Service
Intermediate · Course · 1 - 3 Months
Skills you'll gain: Application Security, OAuth, Data Validation, Authentications, 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
Intermediate · Course · 1 - 4 Weeks

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

Skills you'll gain: Network Security, Network Administration, Cryptography, Firewall, Cryptographic Protocols, Cybersecurity, Intrusion Detection and Prevention, Virtual Private Networks (VPN), Cloud Security, IT Security Architecture, Cyber Attacks, Security Controls, Public Key Infrastructure, Network Monitoring, Encryption, Network Planning And Design, Human Factors (Security), Local Area Networks, Virtual Local Area Network (VLAN), Network Switches
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Network Security, Endpoint Security, Hardening, Virtual Private Networks (VPN), Firewall, IT Security Architecture, Network Administration, Cloud Deployment, Cloud Security, Cybersecurity, Cyber Attacks, Infrastructure Security, Computer Security, Role-Based Access Control (RBAC), Cloud Computing, Authorization (Computing), Security Controls, Cryptographic Protocols, Identity and Access Management, Cloud Solutions
Intermediate · Course · 1 - 4 Weeks

Intermediate · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Cybersecurity, Network Security, Cyber Attacks, Penetration Testing, Cyber Security Assessment, Application Security, Cyber Security Strategy, Cyber Threat Intelligence, Vulnerability Scanning, Cyber Security Policies, Security Controls, Network Monitoring, Data Security, Cyber Risk
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Email Security, Mobile Security, Network Security, Open Web Application Security Project (OWASP), Network Monitoring, Intrusion Detection and Prevention, Threat Detection, TCP/IP, Network Analysis, Network Protocols, Cybersecurity, Application Security, Wireless Networks, Splunk, Information Privacy
Intermediate · Course · 1 - 3 Months

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

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