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: A/B Testing, Google Analytics, Data-Driven Marketing, Customer Insights, Customer Analysis, Meta Ads Manager, Marketing Analytics, Target Audience, AI Personalization, Digital Advertising, Performance Measurement, Customer Engagement, Consumer Behaviour, AI Integrations
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Drupal, Content Management Systems, Enterprise Architecture, Scalability, Workflow Management, Salesforce, Information Architecture, Salesforce Development, Enterprise Application Management, Marketing Automation, Data Architecture, Content Development and Management, Content Management, User Provisioning, Data Modeling, Role-Based Access Control (RBAC), Data Integration, Authorization (Computing)
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: DevOps, DevSecOps, Process Optimization, Devops Tools, CI/CD, GitHub, Continuous Deployment, Continuous Integration, Software Development Tools, Continuous Delivery, Version Control, Git (Version Control System), Process Improvement, Process Improvement and Optimization, Web Development Tools, Software Development, IT Automation, Organizational Development, Business Transformation, Cross-Functional Collaboration
★ 3.9 (22) · Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Tidyverse (R Package), Ggplot2, Data Wrangling, Statistical Modeling, Exploratory Data Analysis, Plot (Graphics), R Programming, Data Import/Export, Predictive Modeling, Data Visualization, Interactive Data Visualization, Statistical Visualization, Sampling (Statistics), Data Visualization Software, Statistical Hypothesis Testing, Data Analysis, Web Scraping, Data Science, R (Software), Data Analysis Software
★ 4.5 (111) · Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: LLM Application, Large Language Modeling, Prompt Engineering, Model Optimization, Business Intelligence, Business Reporting, Model Training, Fine-tuning, Data Pipelines, Generative AI, Cost Benefit Analysis, Performance Analysis, Model Evaluation, Key Performance Indicators (KPIs), Quality Assessment
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Retrieval-Augmented Generation, LLM Application, Natural Language Processing, Text Mining, Data-Driven Decision-Making, Usability Testing, Embeddings, Usability, Unstructured Data, Model Evaluation
Intermediate · Course · 1 - 4 Weeks

Fractal Analytics
Skills you'll gain: AI Security, Vector Databases, Responsible AI, Data Strategy, Data Ethics, Data Management, Data Security, Generative AI, Generative AI Agents, Data Mapping, AI Integrations, Data Governance, Containerization, Data Architecture, Retrieval-Augmented Generation, Interoperability, Enterprise Architecture, Metadata Management, Data Pipelines, Artificial Intelligence and Machine Learning (AI/ML)
★ 4.8 (13) · Intermediate · Specialization · 1 - 3 Months

University of Florida
Skills you'll gain: Land Management, Sustainable Development, Sustainable Systems, Water Resource Management, Water Resources, Environment and Resource Management, Environment, Environmental Science, Natural Resource Management, Environmental Issue, Biology
★ 4.8 (45) · Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: No-Code Development, Model Training, Model Deployment, Model Optimization, Applied Machine Learning, Machine Learning Software, MLOps (Machine Learning Operations), Machine Learning, Return On Investment, Model Evaluation, Performance Measurement, Business Metrics, Responsible AI, Cloud Deployment, Cloud Computing, Big Data, Scalability, Workflow Management, Continuous Improvement Process, Compliance Management
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Project Management Software, Return On Investment, Business Process Automation, Business Metrics, Slack (Software), Workflow Management, Automation, AI Integrations, Performance Metric, AI Workflows, Process Improvement and Optimization, Business Reporting, Concision
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: NoSQL, Real Time Data, Query Languages, Scalability, Database Design, Application Deployment, Data Infrastructure, Big Data, Data Access, Data Manipulation, Performance Tuning, Data Modeling, Distributed Computing, Data Storage Technologies
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Generative AI Agents, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Artificial Intelligence, Jupyter, Healthcare Industry Knowledge, Model Training, Healthcare Ethics, Health Disparities, Health Informatics, LLM Application, Machine Learning, Deep Learning, Statistical Machine Learning, AI Integrations, AI Security, Model Evaluation, Predictive Modeling, Data-Driven Decision-Making, Data Processing, Data Analysis
★ 4.5 (11) · Intermediate · Specialization · 1 - 3 Months