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: Linux, Package and Software Management, Linux Administration, Red Hat Enterprise Linux, File Systems, Scripting, User Accounts, Linux Servers, Command-Line Interface, Shell Script, System Configuration, Linux Commands, Unix Shell, Operating System Administration, Unix Commands, Open Source Technology, Disaster Recovery, System Monitoring, Systems Administration, Web Servers
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Social Media Marketing, Social Media, Social Media Strategy, Social Media Campaigns, Instagram, Facebook, Brand Awareness, Marketing, Content Marketing, Marketing Strategy and Techniques, Marketing Analytics, Web Analytics, Drive Engagement, Business
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Azure DevOps, Azure DevOps Pipelines, Continuous Delivery, CI/CD, DevOps, Test Planning, Continuous Integration, Git (Version Control System), YAML, GitHub, Agile Methodology, Version Control, Agile Project Management, Application Deployment, Sprint Planning, Scrum (Software Development)
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: R Programming, Rmarkdown, Tidyverse (R Package), Ggplot2, Data Import/Export, Data Visualization, Data Analysis, Data Visualization Software, Data Science, Data Manipulation, Data Storytelling, Statistical Analysis, Data Cleansing, Data Integration, Data Transformation, Communication
Beginner · Course · 1 - 4 Weeks

Universitat Autònoma de Barcelona
Skills you'll gain: International Relations, Diplomacy, Political Sciences, World History, Public Safety and National Security, Security Strategy, Economics, Policy Analysis, Cultural Diversity
Beginner · Course · 1 - 3 Months

Skills you'll gain: Spring Framework, Spring Boot, Model View Controller, Hibernate (Java), Java, Web Applications, Object-Relational Mapping, Application Deployment, Application Security, Database Application, Software Development Tools, Authentications, Development Environment, Authorization (Computing)
Intermediate · Course · 3 - 6 Months
Johns Hopkins University
Skills you'll gain: Advocacy, Public Policies, Public Health, Public Safety and National Security, Health Promotion, Legal Proceedings, Policy Analysis, Community Health, Policy Development, Crisis Intervention, Health Policy, Civil Procedures
Beginner · Course · 1 - 3 Months

Skills you'll gain: Convolutional Neural Networks, Tensorflow, Deep Learning, Transfer Learning, Artificial Neural Networks, Image Analysis, Computer Vision, Applied Machine Learning, Classification Algorithms, Model Deployment, Data Preprocessing, Network Architecture, Model Evaluation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Matplotlib, NumPy, Embeddings, Data Visualization, Natural Language Processing, Semantic Web, Data Manipulation, Linear Algebra, Seaborn, Deep Learning, Machine Learning, Artificial Intelligence and Machine Learning (AI/ML), Python Programming, Text Mining, Data Science, Data Processing, Applied Machine Learning, Unstructured Data, Markov Model, Data Preprocessing
Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Version Control, GitHub, Git (Version Control System), Data Transformation, Data Science, Data Analysis, R (Software), Data Processing, R Programming, Rmarkdown, Software Installation, Command-Line Interface
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Facebook, Advertising Campaigns, Social Media Campaigns, Lead Generation, Social Media, Social Media Marketing, Paid media, Digital Advertising, Campaign Management, Advertising, Driving engagement
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: DevSecOps, AI Security, Cyber Operations, Threat Modeling, Zero Trust Network Access
Intermediate · Course · 3 - 6 Months