Network security courses can help you learn about firewalls, intrusion detection systems, and encryption protocols. You can build skills in risk assessment, incident response, and vulnerability management. Many courses introduce tools like Wireshark for network analysis, Nessus for vulnerability scanning, and various security information and event management (SIEM) systems, showing how these skills are applied in practical work to protect networks from cyber threats.

University of Minnesota
Skills you'll gain: Cloud Security, Data Security, Cloud Services, Cloud Storage, Personally Identifiable Information, General Data Protection Regulation (GDPR), Information Privacy, Data Management, Data Storage, Data Governance, Data Integrity, Security Controls, Analysis, Authorization (Computing), Health Insurance Portability And Accountability Act (HIPAA) Compliance, Relational Databases, Encryption, SQL
★ 4.2 (27) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Vulnerability Management, Identity and Access Management, IT Security Architecture, Incident Response, Security Controls, Endpoint Security, Threat Management, Vulnerability Assessments, Cloud Computing Architecture, Incident Management, Endpoint Detection and Response, DevSecOps, Cloud Computing, Intrusion Detection and Prevention, Event Monitoring, Network Administration, Security Management, Data Security, Infrastructure Security, Mobile Security
Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Authentications, Azure Active Directory, Zero Trust Network Access, Identity and Access Management, Cyber Security Assessment, Multi-Factor Authentication, Microsoft Azure, Role-Based Access Control (RBAC), Vulnerability Assessments, Security Controls, Security Architecture Review, Technical Communication, Authorization (Computing), IT Security Architecture, User Accounts, Cyber Security Policies, Information Technology, Web Development, Computer Science, Mobile Development
Intermediate · Course · 1 - 3 Months

Whizlabs
Skills you'll gain: AWS Identity and Access Management (IAM), Identity and Access Management, Amazon Web Services, Cloud Security, Key Management, Authentications, Data Security, Authorization (Computing), Application Security, User Provisioning, Amazon S3, Distributed Denial-Of-Service (DDoS) Attacks, Role-Based Access Control (RBAC), Encryption, Threat Detection, Continuous Monitoring, Single Sign-On (SSO), User Accounts, Vulnerability Assessments, Data Loss Prevention
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Generative Adversarial Networks (GANs), Generative AI, PyTorch (Machine Learning Library), Generative Model Architectures, Deep Learning, Convolutional Neural Networks, Model Training, Python Programming
★ 4.5 (100) · Intermediate · Guided Project · Less Than 2 Hours

LearnKartS
Skills you'll gain: Enterprise Risk Management (ERM), Cyber Governance, Business Risk Management, Security Management, Security Strategy, Governance, Governance Risk Management and Compliance, Law, Regulation, and Compliance, Risk Management, Compliance Management, Risk Management Framework, Regulatory Compliance, Strategic Planning, Security Controls, Policy Development, Contract Compliance, Business Continuity Planning, Performance Measurement, Stakeholder Management, Business Development
Mixed · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Microsoft Azure, Threat Modeling, Cloud Security, Continuous Monitoring, System Monitoring, Security Information and Event Management (SIEM), Security Management, Security Controls, Threat Detection, Threat Management, Application Performance Management, Cyber Security Policies, Event Monitoring, Brute-force attacks, Incident Response, Query Languages, Interactive Data Visualization
★ 4.6 (12) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Threat Modeling, Data Loss Prevention, Mobile Security, DevSecOps, MLOps (Machine Learning Operations), Vulnerability Scanning, Model Optimization, Incident Response, LLM Application, Hardening, Application Security, Anomaly Detection, Responsible AI, Security Controls, Data Security, CI/CD, Infrastructure Security, Continuous Monitoring, Penetration Testing, Vulnerability Assessments
Intermediate · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Blockchain, Threat Modeling, Security Controls, Cybersecurity, Data Security, Network Security, Security Architecture Review, Cryptography, IT Security Architecture, Vulnerability Assessments, Secure Coding, Cryptographic Protocols, Encryption, Transaction Processing, Key Management, Risk Management, Public Key Cryptography Standards (PKCS), Distributed Computing
★ 4.8 (13) · Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Event Monitoring, Security Strategy, General Networking, Network Architecture, Systems Integration, Incident Response, Data Integration, Threat Management, Cybersecurity, Security Management, Networking Hardware, Information Technology, Computer Networking, Network Security, Threat Detection, Cyber Security Policies, Data Governance, Data Management, Command-Line Interface, Application Deployment
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Email Security, Cybersecurity, Hardening, Authorization (Computing), Cyber Attacks, Security Awareness, Security Controls, Threat Management, Encryption, Data Security, Identity and Access Management, Authentications, Application Security, Endpoint Security, Threat Detection, Cryptography, Malware Protection, Patch Management, Multi-Factor Authentication
★ 4.9 (2K) · Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Cybersecurity, Cyber Security Strategy, Risk Management Framework, Infrastructure Security, Cyber Attacks, Cyber Risk, Cyber Security Policies, Public Safety and National Security, Cyber Security Assessment, Cyber Operations, Security Management, Cyber Governance, Continuous Monitoring, Incident Response, Technology Roadmaps, Cyber Threat Intelligence, Network Infrastructure, Technology Solutions, Transportation Operations, Computer Security
★ 4.7 (634) · Beginner · Specialization · 3 - 6 Months