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.

The Hong Kong University of Science and Technology
Skills you'll gain: Continuous Monitoring, Risk Management, FinTech, Change Management, Emerging Technologies
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Billing Systems, Registration, Invoicing, Restaurant Management, Microsoft Visual Studio, Security Testing, Point of Sale, Order Management, Scalability
Beginner · Course · 1 - 3 Months

Skills you'll gain: Computer Vision, Convolutional Neural Networks, Transfer Learning, Model Evaluation, Machine Learning Methods, Classification Algorithms, Machine Learning Algorithms, Visualization (Computer Graphics), Deep Learning, Feature Engineering, Network Architecture
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Rmarkdown, Ggplot2, R (Software), R Programming, Data Analysis, Tidyverse (R Package), Data Visualization, Statistical Programming, Data Visualization Software, Data Cleansing, Data Manipulation, Data Import/Export, Package and Software Management, Data Structures
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Kubernetes, Google Cloud Platform, Cloud Infrastructure, Prompt Engineering, Containerization, Identity and Access Management, Cloud-Native Computing, CI/CD, Cloud Storage, Application Deployment, Cloud Management, Cloud Services, Virtual Machines, Scalability, Virtual Networking, Cloud Computing, Docker (Software), Application Development, Load Balancing, Continuous Integration
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Threat Modeling, Application Security, Secure Coding, Open Web Application Security Project (OWASP), Security Engineering, Security Requirements Analysis, Security Controls, Data Security, Vulnerability Management, Computer Security, Vulnerability, Vulnerability Assessments, Databases, Information Privacy, Role-Based Access Control (RBAC), Computer Programming, Python Programming, Node.JS, JavaScript Frameworks, Javascript
Mixed · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Network Routing, Virtual Local Area Network (VLAN), Routing Protocols, Network Switches, Network Model, TCP/IP, General Networking, Network Protocols, Network Administration, Network Routers, OSI Models, Computer Networking, Network Architecture, Networking Hardware, Network Infrastructure, Local Area Networks, Command-Line Interface
Mixed · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Penetration Testing, Cybersecurity, Security Testing, Cyber Security Assessment, Network Security, Threat Detection, Cyber Attacks, Cyber Security Strategy, Cyber Threat Intelligence, Cyber Threat Hunting, Exploit development, Information Systems Security, Firewall, Malware Protection, Cloud Computing, Cryptography, Security Awareness, Security Controls, Cyber Risk, Security Strategy
Beginner · Specialization · 1 - 3 Months

University of California San Diego
Skills you'll gain: Apache Spark, Model Evaluation, Apache Hadoop, Data Integration, Exploratory Data Analysis, Big Data, Classification Algorithms, Graph Theory, Data Pipelines, Database Design, Data Modeling, Regression Analysis, Data Mining, Data Management, Applied Machine Learning, Data Preprocessing, Data Presentation, Scalability, Data Processing, MongoDB
Beginner · Specialization · 3 - 6 Months

Microsoft
Skills you'll gain: Penetration Testing, Security Testing, System Testing, Vulnerability Scanning, Vulnerability Management, Cybersecurity, Cloud Security, Vulnerability Assessments, Intrusion Detection and Prevention, Network Security, Exploitation techniques, Microsoft Azure, Firewall, Virtual Private Networks (VPN)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Digital Forensics, Incident Response, Penetration Testing, Computer Security Incident Management, Cyber Threat Intelligence, Cybersecurity, Security Management, Threat Detection, Cyber Security Assessment, Vulnerability Assessments, Threat Modeling, Malware Protection, Email Security, AI Security, Exploitation techniques, Network Security, Payment Card Industry (PCI) Data Security Standards, Fraud detection
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Security Testing, Application Security, Open Web Application Security Project (OWASP), Software Testing, Secure Coding, Test Tools, Regression Testing, Unit Testing, Penetration Testing, Security Controls, Computer Security, Test Driven Development (TDD), Debugging, User Acceptance Testing (UAT), Computer Programming, Python Programming, Node.JS, Information Privacy, JavaScript Frameworks, Javascript
Mixed · Course · 1 - 4 Weeks