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: Model Evaluation, Data Preprocessing, Feature Engineering, AI Personalization, Applied Machine Learning, Data Science, Machine Learning, Scalability, Data Manipulation, Python Programming, Data Transformation, Pandas (Python Package), Machine Learning Methods, Predictive Modeling, Text Mining, Development Environment, Scikit Learn (Machine Learning Library), Machine Learning Algorithms, NumPy, Data Analysis
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: JUnit, Apache Maven, Model View Controller, Unit Testing, Spring Boot, Restful API, Data Persistence, Software Testing, Java, Back-End Web Development, Front-End Web Development, Authentications, Data Modeling, Business Logic
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Security Information and Event Management (SIEM), Cyber Risk, Cyber Security Policies, Data Security, Personally Identifiable Information, Security Controls, Email Security, Cybersecurity, Threat Detection, Information Privacy, Data Governance, IT Automation, Event Monitoring, Incident Response
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Facebook, Customer experience improvement, Product Assortment, Social Media, Social Media Management, Customer Engagement, Social Media Marketing, Photo Editing, E-Commerce, Company, Product, and Service Knowledge, Customer Service, Marketing, Digital Marketing
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Social Media, Microsoft Outlook, Instagram, Customer Acquisition Management, Facebook, Social Media Marketing, Gmail, Target Audience, Customer Relationship Building, Digital Marketing, Data Import/Export
Beginner · Guided Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Role-Based Access Control (RBAC), Identity and Access Management, Authorization (Computing), Cloud Management, Google Cloud Platform, User Accounts
Intermediate · Project · Less Than 2 Hours

Coursera
Skills you'll gain: Ggplot2, Data Cleansing, Tidyverse (R Package), Data Wrangling, Data Transformation, Data Visualization, R Programming, Data Manipulation, Data Analysis, Data Management, Pivot Tables And Charts
Intermediate · Guided Project · Less Than 2 Hours

Packt
Skills you'll gain: System Requirements, Virtual Networking, Network Architecture, ESXi Installation, Computer Networking, Ubuntu, Virtual Machines
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Cleansing, R Programming, Data Preprocessing, Statistical Analysis, R (Software), Model Evaluation, Classification And Regression Tree (CART), Statistical Modeling, Logistic Regression, Machine Learning Methods, Random Forest Algorithm, Data Transformation, Predictive Modeling, Exploratory Data Analysis, Feature Engineering, Machine Learning, Dimensionality Reduction
Intermediate · Course · 1 - 3 Months
Skills you'll gain: Infrastructure as Code (IaC), Docker (Software), Kubernetes, Terraform, Ansible, Cloud Infrastructure, Containerization, Cloud Management, Cloud Computing Architecture, Systems Development, Firewall, Application Deployment, Security Controls, Bash (Scripting Language)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Process Capability, Six Sigma Methodology, Statistical Process Controls, Process Analysis, Statistical Analysis, Data Analysis, Performance Measurement, Statistical Methods, R (Software), Business Metrics, R Programming, Data Import/Export
Intermediate · Guided Project · Less Than 2 Hours
University of Illinois Urbana-Champaign
Skills you'll gain: Digital Media Strategy, Customer Relationship Management (CRM) Software, Digital Marketing, Online Advertising, Email Marketing, Marketing Strategies, Campaign Management, Social Media Strategy, Social Media Marketing, Search Engine Optimization, Marketing Effectiveness, Marketing Communications, Web Analytics and SEO, Marketing, Copywriting, Advertising, Integrated Marketing Communications, Mobile Security, Key Performance Indicators (KPIs)
Mixed · Course · 1 - 4 Weeks