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.

Coursera
Skills you'll gain: Data Integrity, Spreadsheet Software, Microsoft Excel, Excel Formulas, Google Sheets, Security Controls, Data Security, Financial Modeling
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Intune (Mobile Device Management Software), Endpoint Security, Cyber Security Policies, Security Controls, Microsoft Windows, Enterprise Security, Mobile Security, Endpoint Detection and Response, Operating System Administration, Security Management, Android (Operating System), Patch Management, Microsoft Azure, System Configuration, System Monitoring, Continuous Monitoring, Remote Access Systems, Configuration Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Linux Administration, Linux, Shell Script, Linux Commands, Firewall, Systems Administration, Disaster Recovery, Unix Shell, Operating System Administration, Network Administration, Bash (Scripting Language), File Systems, Scripting, Network Troubleshooting, Containerization, Cloud-Native Computing, Network Security, Scripting Languages, Dynamic Host Configuration Protocol (DHCP), System Support
Beginner · Course · 1 - 3 Months
LearnQuest
Skills you'll gain: Blockchain, Key Management, Threat Modeling, Public Key Infrastructure, Security Controls, Cryptography, Cybersecurity, Data Security, Application Security, Network Security, Security Architecture Review, IT Security Architecture, Vulnerability Assessments, Encryption, Secure Coding, Cryptographic Protocols, Distributed Denial-Of-Service (DDoS) Attacks, Public Key Cryptography Standards (PKCS), Security Testing, Vulnerability Management
Intermediate · Specialization · 3 - 6 Months

Total Seminars
Skills you'll gain: Security Controls, Authentications, Cryptographic Protocols, Risk Management Framework, Cybersecurity, Cryptography, Security Management, Threat Modeling, Cyber Attacks, Data Security, Cyber Security Assessment, Encryption, Threat Management, Threat Detection, Cyber Risk, Cyber Threat Intelligence, Security Awareness, Cyber Threat Hunting, Vulnerability Assessments, Identity and Access Management
Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Cybersecurity, Cyber Security Strategy, Infrastructure Security, Cyber Attacks, Cyber Operations, Cyber Risk, Security Management, Cyber Security Policies, Cyber Governance, Incident Response, Risk Management Framework, Technology Solutions, Information Privacy
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: OSI Models, Computer Networking, Virtual Local Area Network (VLAN), Network Administration, Network Architecture, Network Infrastructure, Network Troubleshooting, General Networking, Wide Area Networks, Network Planning And Design, Local Area Networks, Cloud Computing, TCP/IP, Network Security, Threat Detection, Cloud Services, Network Protocols, Intrusion Detection and Prevention, Networking Hardware, Computer Security
Mixed · Course · 1 - 3 Months

Skills you'll gain: Threat Modeling, Incident Response, IT Security Architecture, Incident Management, Application Security, Identity and Access Management, Security Testing, Continuous Monitoring, Information Systems Security, Network Security, Computer Security Incident Management, Security Strategy, Systems Architecture, Security Management, Security Engineering, Zero Trust Network Access, Security Awareness, Risk Management Framework, Cybersecurity, Enterprise Architecture
Beginner · Specialization · 1 - 3 Months

Whizlabs
Skills you'll gain: Security Management, Security Controls, Threat Management, IT Management, Cyber Security Strategy, Continuous Monitoring, IT Security Architecture, Cyber Security Policies, Cyber Governance, Law, Regulation, and Compliance, Security Awareness, Program Implementation, Risk Management, Computer Security Awareness Training, Risk Control, Governance, Performance Metric, Risk Analysis, Disaster Recovery, Feasibility Studies
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Linux Administration, Linux, Linux Servers, Linux Commands, Scripting, Data Integrity
Intermediate · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Intrusion Detection and Prevention, Cyber Attacks, Cybersecurity, Data Security, Cyber Security Strategy, Vulnerability Assessments, Security Management, Threat Detection, Information Systems Security, Hardening, Security Strategy, Security Controls, Security Software, Network Security, Vulnerability Management, Identity and Access Management, Email Security, Security Awareness, Encryption, Risk Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Incident Response, Vulnerability Management, Continuous Monitoring, Digital Forensics, Public Key Infrastructure, Security Management, Business Continuity Planning, Cryptography, Endpoint Security, Disaster Recovery, Computer Security Incident Management, Encryption, Incident Management, Network Security, Authentications, Mobile Security, OSI Models, Security Controls, Security Strategy, Risk Analysis
Beginner · Specialization · 1 - 3 Months