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.

LearnKartS
Skills you'll gain: Cloud Security, Open Web Application Security Project (OWASP), Data Governance, Data Management, Data Security, Cloud API, Secure Coding, Application Security, DevSecOps, Cloud Applications, Key Management, Encryption, Information Privacy, OAuth, Cloud Storage, API Gateway, Threat Modeling, Data Encryption Standard, Risk Management Framework
Intermediate · Course · 1 - 4 Weeks

Macquarie University
Skills you'll gain: Human Factors (Security), Security Awareness, Safety Culture, Computer Security Awareness Training, Cyber Governance, Cyber Security Strategy, User Experience, Cyber Attacks, Security Strategy, Cyber Security Policies, Security Management, Usability, Cyber Risk, Cybersecurity, Cyber Security Assessment, Ethical Standards And Conduct, Network Security, Employee Training, Information Privacy, Accountability
Beginner · Course · 1 - 3 Months

Skills you'll gain: DevSecOps, Continuous Delivery, Continuous Integration, Test Tools, Software Quality Assurance, DevOps, Software Quality (SQA/SQC), Security Testing, Test Automation, Quality Assurance, Application Security, Software Testing, AI Integrations, Continuous Monitoring, Continuous Deployment, Site Reliability Engineering, Devops Tools, Software Development, Software Development Tools, Security Controls
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Secure Coding, Open Web Application Security Project (OWASP), Exploit development, Threat Detection, Penetration Testing, Cloud Security, Exploitation techniques, Cyber Security Assessment, Vulnerability Scanning, Security Testing, Application Security, Cyber Operations, Incident Response, Security Engineering, CI/CD, Vulnerability Assessments, Python Programming, Web Scraping, Encryption, Automation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Azure Active Directory, Endpoint Security
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Computer Security Incident Management, Network Analysis, Anomaly Detection, JSON
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Threat Modeling, Application Security, Secure Coding, Authentications, OAuth, Threat Management, Software Testing, Development Testing, Software Development Life Cycle, Unit Testing, Security Testing, Unified Modeling Language, Authorization (Computing), Single Sign-On (SSO), Databases, Software Development, Security Software, Cyber Security Assessment, Cyber Security Strategy, Cybersecurity
Intermediate · Course · 3 - 6 Months

AI CERTs
Skills you'll gain: Threat Management, Cyber Security Assessment, Security Controls, Cyber Attacks, Cyber Threat Intelligence, Information Systems Security, Regulatory Compliance, Financial Regulation
Advanced · 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

CertNexus
Skills you'll gain: Application Security, Human Factors (Security), Secure Coding, Open Web Application Security Project (OWASP), Vulnerability, Computer Security, Vulnerability Management, Vulnerability Assessments, Data Security, Security Strategy, Security Controls, Cyber Security Strategy, Application Design, Computer Programming, Design, Python Programming, Javascript, Design Strategies, JavaScript Frameworks, Node.JS
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Authentications, Incident Response, MITRE ATT&CK Framework, Security Controls, Cryptography, Malware Protection, Cryptographic Protocols, Threat Modeling, Endpoint Security, Key Management, Authorization (Computing), Public Key Infrastructure, Security Management, Vulnerability Assessments, Risk Management, Network Security, Application Security, Asset Management, Cloud Security, OSI Models
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: AI Security, Responsible AI, Large Language Modeling, Generative Model Architectures, Prompt Patterns, IT Security Architecture, Threat Modeling, Vulnerability Assessments, Threat Detection, Cybersecurity, Information Systems Security, Cyber Threat Intelligence, Cyber Security Strategy, Security Strategy, Security Management, Cyber Attacks, Cloud Security, Security Awareness, Enterprise Security, Distributed Denial-Of-Service (DDoS) Attacks
Beginner · Course · 1 - 4 Weeks