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 California, Davis
Skills you'll gain: Hazard Analysis, Chemical Engineering, Incident Management, Failure Analysis, Risk Management Framework, Safety and Security, Engineering Analysis, Engineering Calculations, Estimation
Intermediate · Course · 1 - 4 Weeks

Whizlabs
Skills you'll gain: API Gateway, Amazon Web Services, Virtual Private Networks (VPN), Load Balancing, Cloud Infrastructure, Network Architecture, Network Infrastructure, Network Security, Network Routing, Scalability
Intermediate · Course · 1 - 4 Weeks

University of Leeds
Skills you'll gain: Infectious Diseases, Microbiology, Immunology, Pathology, Infection Control, Pharmacology, Epidemiology, Public Health and Disease Prevention, Molecular, Cellular, and Microbiology, Cell Biology
Beginner · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: PySpark, Apache Spark, Data Management, Distributed Computing, Apache Hadoop, Data Processing, Data Analysis, Exploratory Data Analysis, Python Programming, Scalability
Beginner · Course · 1 - 4 Weeks

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

LearnQuest
Skills you'll gain: Apache Maven, Spring Framework, Microservices, Spring Boot, Java, Java Programming, Back-End Web Development, Software Architecture, Server Side, Load Balancing, Cloud Development, Restful API, Systems Architecture, Web Applications, Scalability
Advanced · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Marketing Design, Social Media Marketing, Social Media Content, Marketing Materials, Marketing, Graphic and Visual Design Software, Social Media, Branding, Promotional Materials, Loyalty Programs, Advertising, Customer Engagement
Beginner · Guided Project · Less Than 2 Hours

University of Michigan
Skills you'll gain: Data Visualization, Surveys, Tidyverse (R Package), Data Analysis, Demography, Public Administration, Policy Analysis, Public Policies, R Programming, Statistical Programming, Data Transformation, Data Cleansing, Data Manipulation
Intermediate · Course · 1 - 3 Months

University at Buffalo
Skills you'll gain: Data Literacy, Data Ethics, Data-Driven Decision-Making, Analytics, Root Cause Analysis, Lean Methodologies, Six Sigma Methodology, Data Analysis, Operational Efficiency, Operational Excellence, Case Studies, Process Improvement, Quality Management Systems, Data Quality, Data Security, Product Quality (QA/QC), Internet Of Things
Beginner · Course · 1 - 4 Weeks

Fundação Instituto de Administração
Skills you'll gain: Interoperability, DevOps, Information Systems Security, Cybersecurity, Systems Integration, Application Programming Interface (API), Application Security, IT Security Architecture, Data Security, Web Services, Information Technology, Software As A Service, Microservices, Cloud Services, Cloud Computing
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: JSON, Apple iOS, Mobile Development, Application Programming Interface (API), Swift Programming, Data Storage, Model View Controller, Data Modeling, Data Storage Technologies, UI Components, Network Protocols
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Responsible AI, Digital Advertising, Email Marketing, Generative AI, Marketing Automation, AI Personalization, Advertising Campaigns, Marketing, Marketing Strategies, Content Creation, Keyword Research, Prompt Engineering, Search Engine Optimization, Social Media Marketing, Copywriting, E-Commerce
Intermediate · Course · 1 - 3 Months