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: Salesforce, Salesforce Development, Customer Relationship Management (CRM) Software, Customer Relationship Management, Data Security, Security Controls, Information Systems Security, No-Code Development, Automation
Intermediate · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Salesforce, Salesforce Development, Data Import/Export, Customer Relationship Management, Data Maintenance, Customer Relationship Management (CRM) Software, Data Management, Dashboard, System Configuration, Workflow Management, Data Validation, Research Reports, Cloud Computing, Business Process Automation, Data Integrity, User Accounts, Data Modeling, Administration, Role-Based Access Control (RBAC), Data Security
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Decision Making, Mitigation, Data-Driven Decision-Making, Analytical Skills, Analytics, Analysis, Critical Thinking, Continuous Improvement Process
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Computational Logic, Theoretical Computer Science, System Requirements, Functional Specification, Agentic systems, Requirements Analysis, Systems Analysis, Verification And Validation, Mathematical Modeling, Control Systems, Linear Algebra, Mathematical Theory & Analysis, Applied Mathematics, Numerical Analysis
Build toward a degree
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Software Documentation, Leaflet (Software), Data Wrangling, Data Preprocessing, Technical Documentation, Data Manipulation, Data Cleansing, Package and Software Management, R (Software), Data Visualization Software, Program Development, Code Review, Plot (Graphics), Ggplot2, R Programming, GitHub, Continuous Integration, Software Technical Review, Software Testing
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Science, Unsupervised Learning, Exploratory Data Analysis, Probability & Statistics, Machine Learning Algorithms, Applied Machine Learning, Classification And Regression Tree (CART), Data Analysis, Python Programming, Random Forest Algorithm, Dimensionality Reduction, Predictive Modeling, NumPy, Regression Analysis, Statistical Analysis, Data Processing, Deep Learning, Pandas (Python Package), Data Visualization, Data Manipulation
Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Email Marketing, Direct Marketing, Campaign Management, Data Cleansing, Driving engagement, Marketing Automation, Campaign Planning, Customer Engagement, Customer Retention, Drive Engagement, Analysis
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Feature Engineering, Data Preprocessing, Dataflow, Tensorflow, Applied Machine Learning, Data Transformation, Data Processing, Keras (Neural Network Library), Machine Learning Methods, Data Modeling, Machine Learning, Python Programming, Statistical Methods
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Wiring Diagram, Electrical Wiring, Electrical Systems, Schematic Diagrams, AutoCAD, Communication Systems, Computer-Aided Design, Electrical Equipment, Diagram Design, Drafting and Engineering Design, Autodesk, Engineering Drawings, Verification And Validation, Systems Design, Systems Integration, Safety Standards, Safety and Security
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Flutter (Software), Cross Platform Development, Mobile Development, Android Development, Mobile Development Tools, Web Applications, UI Components, Package and Software Management, Network Analysis
Beginner · Project · Less Than 2 Hours
University of Alberta
Skills you'll gain: Agile Software Development, Agile Product Development, Requirements Analysis, Process Driven Development, Agile Methodology, Software Development, Product Management, Application Lifecycle Management, Software Engineering, Technical Product Management, Software Development Methodologies
Mixed · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Amazon Web Services, AWS Identity and Access Management (IAM), Amazon CloudWatch, Amazon DynamoDB, Database Management, AWS CloudFormation, Database Management Systems, Infrastructure as Code (IaC), Amazon Elastic Compute Cloud, Cloud Infrastructure, Databases, Cloud Hosting, Identity and Access Management, Amazon S3, Cloud Deployment, Cloud Engineering, Cloud Computing, Cloud Management, Cloud Development, Cloud Solutions
Beginner · Course · 1 - 4 Weeks