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 Glasgow
Skills you'll gain: Wireless Networks, Emerging Technologies, Communication Systems, Digital Communications, Internet Of Things, Telecommunications, electromagnetics, Network Architecture, Software-Defined Networking, Zero Trust Network Access, Digital Transformation, Interoperability, Electronics Engineering, Distributed Computing, Development Testing, Electrical Engineering, Artificial Intelligence and Machine Learning (AI/ML), Information Technology, Machine Learning, Trustworthiness
Intermediate · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Exploit development, C (Programming Language), C++ (Programming Language), Secure Coding, Application Security, System Programming, Debugging, Vulnerability Assessments
Mixed · Course · 1 - 4 Weeks

Alibaba Cloud Academy
Skills you'll gain: Data Visualization Software, Big Data, Apache Hadoop, Apache Spark, Apache Hive, Distributed Computing, Data Processing, Data Warehousing, Data Integration, Cloud Security, Cloud Technologies, Artificial Intelligence and Machine Learning (AI/ML), SQL
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Terraform, Infrastructure as Code (IaC), AWS CloudFormation, Cloud Infrastructure, Cloud Platforms, Amazon Web Services, Amazon Elastic Compute Cloud, Google Cloud Platform, Amazon S3, Version Control, Configuration Management
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Continuous Integration, Sprint Planning, Process Improvement, GitLab, Backlogs, Agile Product Development, Unit Testing, DevSecOps, Scalability, Performance Metric, Integration Testing, Software Development, Organizational Change, Project Management, User Story, Git (Version Control System), Key Performance Indicators (KPIs), Business Reporting, Application Deployment, Application Security
Beginner · Specialization · 1 - 3 Months

Infosec
Skills you'll gain: Data Governance, Information Privacy, Governance, Law, Regulation, and Compliance, General Data Protection Regulation (GDPR), Compliance Management, Personally Identifiable Information, Regulation and Legal Compliance, Program Development, Data Sharing, Accountability
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Cybersecurity, Computer Security Awareness Training, Security Awareness, Cyber Security Strategy, Zero Trust Network Access, Information Systems Security, Threat Detection, Data Security, Human Factors (Security), Security Engineering, Personally Identifiable Information, Security Controls, Safety and Security, Security Strategy, Cultural Responsiveness, Information Technology
Beginner · Course · 1 - 3 Months
Skills you'll gain: Anomaly Detection, Fraud detection, Generative AI, Risk Management, Data Visualization Software, ChatGPT, Data Synthesis, Compliance Management, Unsupervised Learning, AI Workflows, Prompt Engineering, Data Pipelines, Automation, Predictive Analytics, Ethical Standards And Conduct
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Shiny (R Package), Data Visualization, Interactive Data Visualization, Dashboard, Data Visualization Software, R Programming, Data Wrangling, User Interface (UI) Design, Ggplot2, Data Manipulation, Data Integration, Data Import/Export
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Mac OS, Application Lifecycle Management, Endpoint Security, Cloud Deployment, iOS Development, Web Servers, Mobile Development Tools, Single Sign-On (SSO), Test Planning
Intermediate · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: Identity and Access Management, Role-Based Access Control (RBAC), Firewall, Nginx, Virtual Networking, Network Administration, Network Security, Servers, Web Servers, Security Controls
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: Exploratory Data Analysis, Statistical Modeling, Regression Analysis, Data Visualization, Model Evaluation, Data Analysis, Statistical Methods, Scatter Plots, R Programming, Statistical Analysis, Plot (Graphics), R (Software), Ggplot2
Beginner · Guided Project · Less Than 2 Hours