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.

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

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 Governance, Data Integrity, Cloud Platforms, Security Controls, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Relational Databases, Encryption, SQL
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Google Gemini, Gemini, Google Cloud Platform, Generative AI, Virtual Networking, Prompt Engineering, Network Engineering, Virtual Machines, General Networking
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Social Network Analysis, Bayesian Network, Data Analysis, Python Programming, Probability Distribution
Advanced · Course · 1 - 4 Weeks

AI CERTs
Skills you'll gain: Blockchain, Cryptography, Encryption, Network Security, Cybersecurity, Authentications, Public Key Cryptography Standards (PKCS), Vulnerability Assessments, Data Validation, Data Integrity, Transaction Processing, Distributed Computing
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Cloud Computing, Cloud Infrastructure, Software-Defined Networking, Wide Area Networks, Network Architecture, Virtualization, Load Balancing, Data Centers, Terraform, Virtual Machines, Hybrid Cloud Computing, Google Cloud Platform, Virtual Private Networks (VPN), Infrastructure as Code (IaC)
Build toward a degree
Intermediate · Course · 1 - 3 Months

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

University at Buffalo
Skills you'll gain: Intrusion Detection and Prevention, Security Controls, Continuous Monitoring, Incident Response, Vulnerability Assessments, Software Development Life Cycle, Cybersecurity, Computer Security Incident Management, Cyber Security Policies, Cyber Security Assessment, Information Assurance, Network Security, Risk Management Framework, Cloud Security, Authentications
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Blockchain, Key Management, Cryptography, Application Security, Encryption, Secure Coding, Data Security, Public Key Cryptography Standards (PKCS), Security Testing, Vulnerability Management, Vulnerability Assessments, Code Review
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Model Deployment, Multi-Cloud, Cloud Security, AI Security, MLOps (Machine Learning Operations), DevSecOps, Cloud Management, Investigation, Microservices, Site Reliability Engineering, Security Controls, CI/CD, System Monitoring, Infrastructure as Code (IaC), Compliance Management, Automation, Kubernetes, Docker (Software), Incident Management, Performance Analysis
Intermediate · Specialization · 3 - 6 Months

Packt
Skills you'll gain: Penetration Testing, Security Testing, Cybersecurity, Network Security, Brute-force attacks, TCP/IP, Network Monitoring, Vulnerability Assessments, Servers, Network Analysis, Network Protocols
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Software Testing, Open Web Application Security Project (OWASP), Business Logic, Secure Coding, Cryptography, Cybersecurity, Test Case, Identity and Access Management, Authentications, Vulnerability Assessments, Threat Modeling, Encryption, Data Validation, Network Protocols, Authorization (Computing), Web Applications
Intermediate · Course · 1 - 4 Weeks