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: Penetration Testing, Vulnerability Scanning, Vulnerability Management, Vulnerability Assessments, Cyber Security Assessment, Open Web Application Security Project (OWASP), Security Testing, Exploitation techniques, Application Security, Patch Management, Cyber Threat Intelligence, Cyber Engineering, Cyber Governance, Risk Management Framework, Linux Administration, Dashboard Creation, Ethical Standards And Conduct, Linux, Linux Commands, Linux Servers
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Apache Spark, Performance Tuning, Data Persistence, Data Pipelines, Systems Analysis
Beginner · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Exploratory Data Analysis, Rmarkdown, R (Software), Plot (Graphics), Tidyverse (R Package), Statistical Visualization, Data Visualization, Data Visualization Software, R Programming, Data Analysis, Ggplot2, Data Wrangling, Scatter Plots, Data Manipulation, Histogram, Statistical Reporting, Scripting, Package and Software Management, Scripting Languages, Data Transformation
★ 5 (8) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: R Programming, Predictive Analytics, Applied Machine Learning, Predictive Modeling, R (Software), Data-Driven Decision-Making, Data Science, Machine Learning Software, Feature Engineering, Data Preprocessing, Machine Learning Methods, Machine Learning, Model Training, Telemarketing, Model Deployment, Model Optimization
★ 4.9 (53) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Linux Administration, Ubuntu, Lightweight Directory Access Protocols, File Systems, Linux, Virtualization and Virtual Machines, Linux Commands, Bash (Scripting Language), Linux Servers, Firewall, Virtual Machines, Package and Software Management, Virtualization, Remote Access Systems, File Management, Operating System Administration, Systems Administration, Shell Script, Containerization, Git (Version Control System)
★ 4.8 (14) · Intermediate · Specialization · 1 - 3 Months

Board Infinity
Skills you'll gain: Angular, HTML and CSS, JavaScript Frameworks, Application Frameworks, Javascript, Hypertext Markup Language (HTML), Front-End Web Development, Scalability, Web Design and Development, Web Applications, Code Reusability, Cascading Style Sheets (CSS), Web Development, Software Design Patterns, Software Design, UI Components
★ 4.2 (45) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Sales Enablement, Sales Strategy, Sales Development, Sales Operations, Lead Generation, Sales, Sales Training, Account Strategy, Sales Process, Customer Relationship Management (CRM) Software, Prospecting and Qualification, Sales Prospecting, Global Marketing, Training and Development, Data-Driven Decision-Making, Marketing Automation, Key Performance Indicators (KPIs), Personalized Campaigns, Video Production
Beginner · Course · 1 - 4 Weeks

Fundação Instituto de Administração
Skills you'll gain: Digital Transformation, IT Service Management, Information Technology Infrastructure Library, Service Management, Interoperability, Business Transformation, Data Strategy, DevOps, Information Systems Security, Cybersecurity, Cyber Attacks, Systems Integration, Innovation, Service Design, Technology Strategies, Information Technology Operations, Social Media, E-Commerce, Social Media Management, Organizational Development
★ 4.7 (78) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Content Scheduling, Digital Marketing Tools, Content Performance Analysis, Social Media Management, Social Media Content, Key Performance Indicators (KPIs), Social Media Analytics, Data-Driven Marketing, Social Media, Campaign Management, Digital Marketing Campaigns, Performance Metric, Business Metrics, Performance Measurement, Data Analysis, Content Development and Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Generative AI, Oracle Cloud, Large Language Modeling, Generative Model Architectures, Machine Learning Methods, Artificial Intelligence, Applied Machine Learning, Supervised Learning, Machine Learning Algorithms, Deep Learning, Machine Learning, Artificial Neural Networks, Oracle Cloud Applications, AI literacy, Unsupervised Learning, Model Training, Recurrent Neural Networks (RNNs)
★ 4.8 (18) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Nursing Administration, Nursing, Clinical Nursing
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Data Integration, Apache Kafka, Systems Integration, Restful API, Data Infrastructure, Enterprise Security, Enterprise Architecture, Application Programming Interface (API), Relational Databases, Databases, Database Management, Real Time Data, Authentications
Beginner · Course · 1 - 4 Weeks