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.

Skills you'll gain: Kubernetes, Docker (Software), Prometheus (Software), Cloud-Native Computing, Containerization, Package and Software Management, CI/CD, Grafana, DevOps, YAML, Application Deployment, Role-Based Access Control (RBAC), Application Programming Interface (API)
Beginner · Course · 1 - 3 Months

Skills you'll gain: Digital Marketing, Email Marketing, Pay Per Click Advertising, Digital Marketing Campaigns, Blogs, Content Performance Analysis, Marketing Strategies, Online Advertising, Advertising Campaigns, Campaign Management, Marketing Planning, Digital Marketing Tools, Digital Advertising, Search Engine Optimization, Marketing Effectiveness, Contextual Advertising, Social Media, Data-Driven Marketing, Social Media Marketing, Marketing Strategy and Techniques
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Workflow Management, Data Entry, Organizational Skills, Process Management, Operational Efficiency, Project Management Software, Editing, Collaborative Software, Data Management
Beginner · Course · 1 - 4 Weeks

Institut Mines-Télécom
Skills you'll gain: Cybersecurity, Application Security, Cyber Attacks, Threat Modeling, Security Testing, Secure Coding, Security Controls, Exploitation techniques, Vulnerability Assessments, SQL, Databases
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Tableau Software, Business Intelligence, Business Intelligence Software, Interactive Data Visualization, Business Analytics, Data Visualization Software, Dashboard, Agentic Workflows, Dashboard Creation, Data Storytelling, Data Analysis, Data Modeling, Extract, Transform, Load, Predictive Analytics, Exploratory Data Analysis, Data Governance, Data Transformation, Data Preprocessing, Correlation Analysis, Data Security
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Linux, Ubuntu, Linux Administration, Linux Servers, General Networking, Memory Management, Linux Commands, OS Process Management, Firewall, File Systems, Bash (Scripting Language), Network Security, Command-Line Interface, File Management, Unix Shell, Operating Systems, Systems Administration, Virtualization, Virtual Environment, Virtualization and Virtual Machines
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Firewall, Network Security, Virtual Networking, Cloud Security, Cloud Infrastructure, Cloud Management, Network Monitoring
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Dashboard, Dashboard Creation, Data-Driven Marketing, Data-Driven Decision-Making, Marketing Analytics, Marketing Effectiveness, Marketing Strategies, Marketing Planning, Campaign Management, Data Presentation, Strategic Marketing, Strategic Thinking, Performance Analysis, Business Strategies, Analysis
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: AI Workflows, Agentic Workflows, LangGraph, AI Orchestration, Agentic systems, Generative AI Agents, LangChain, LLM Application, AI Integrations, Software Architecture, Systems Architecture, Software Design, Data Validation, Data Persistence, Context Management, Scalability, Systems Integration, Memory Management
Intermediate · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Time Series Analysis and Forecasting, R (Software), R Programming, Statistical Analysis, Statistical Software, Forecasting, Statistical Modeling, Data Analysis, Statistical Methods, Statistical Reporting, Predictive Modeling, Correlation Analysis, Statistical Visualization, Data Presentation, Probability & Statistics, Model Evaluation, Statistical Hypothesis Testing, Numerical Analysis, Data Transformation
Intermediate · Course · 1 - 3 Months

John Wiley & Sons
Skills you'll gain: Data Preprocessing, Model Evaluation, Data Processing, Model Deployment, Data Transformation, MLOps (Machine Learning Operations), Unsupervised Learning, Data Cleansing, Predictive Modeling, Model Training, Data Science, Data Analysis, Applied Machine Learning, Model Optimization, Technical Communication, Supervised Learning, Machine Learning, Artificial Neural Networks
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Data Manipulation, Data Transformation, Pivot Tables And Charts, Data Wrangling, Data Cleansing, Data Integration, Tidyverse (R Package), R Programming, Data Quality, R (Software), Data Processing, Data Preprocessing
Intermediate · Guided Project · Less Than 2 Hours