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: Threat Modeling, Feature Engineering, Anomaly Detection, Data Visualization, Data Presentation, MLOps (Machine Learning Operations), Agentic Workflows, Interactive Data Visualization, AI Orchestration, AI Security, A/B Testing, Generative AI Agents, Threat Management, Model Optimization, Open Web Application Security Project (OWASP), Technical Communication, Agentic systems, Continuous Monitoring, CI/CD, Reinforcement Learning
Intermediate · Professional Certificate · 3 - 6 Months

Cisco Learning and Certifications
Skills you'll gain: Open Shortest Path First (OSPF), Network Support
Beginner · Course · 1 - 3 Months
Codio
Skills you'll gain: OAuth, Web Development Tools, Authentications, Web Servers, Application Programming Interface (API), API Design, Cloud API, Restful API, Server Side, Web Development, Servers, JSON, Software Documentation, Web Applications, Javascript, Web Services, Technical Documentation, Application Security
Intermediate · Course · 1 - 4 Weeks

Ball State University
Skills you'll gain: Rmarkdown, Exploratory Data Analysis, Data Visualization Software, Ggplot2, Interactive Data Visualization, Plot (Graphics), Statistical Visualization, R (Software), R Programming, Data Storytelling, Histogram, Scatter Plots, Graphing, Data Analysis, Analysis, Color Theory
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Meta Ads Manager, Facebook, Bidding, Marketing, Online Advertising, Social Media Campaigns, Advertising Campaigns, Marketing Materials, Campaign Planning, Digital Advertising, Social Media Content, Campaign Management, Social Media, Social Media Marketing, Paid media, Marketing Strategies, Advertising, Social Media Management, Target Audience, Lead Generation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Ggplot2, Model Evaluation, Plot (Graphics), Regression Analysis, Predictive Analytics, Predictive Modeling, Statistical Visualization, Data-Driven Decision-Making, Statistical Modeling, R Programming, Descriptive Statistics, R (Software), Exploratory Data Analysis, Descriptive Analytics, Statistical Analysis, Data Analysis
Intermediate · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Fine-tuning, Model Deployment, MLOps (Machine Learning Operations), AWS SageMaker, Software Documentation, Data Pipelines, AI Integrations, Tensorflow, Solution Architecture, Model Evaluation, Apache Airflow, Model Optimization, Systems Design, Transfer Learning, Unit Testing, PyTorch (Machine Learning Library), API Design, Cloud Computing, Network Architecture, Deep Learning
Intermediate · Specialization · 1 - 3 Months

Google Cloud
Skills you'll gain: Looker (Software), Dashboard, Dashboard Creation, Data Manipulation, Data Visualization Software, Data Presentation, Exploratory Data Analysis, Data Management, Google Cloud Platform, Network Analysis
Beginner · Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Data-Driven Decision-Making, Descriptive Statistics, Data Literacy, Data Analysis, Plot (Graphics), Probability Distribution, Statistical Software, Statistics, Statistical Visualization, R (Software), Data Visualization, Statistical Analysis, Probability, R Programming, Probability & Statistics, Statistical Programming, Descriptive Analytics, Statistical Hypothesis Testing, Data Manipulation, Histogram
Beginner · Course · 1 - 3 Months

Skills you'll gain: Microsoft Excel, Data Validation, Customer Data Management, Excel Formulas, Microsoft 365, Customer Relationship Management, Customer Support, Spreadsheet Software, Customer Service, Data Security, Data Management, Data Integrity, Invoicing, User Accounts, Editing
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Risk Analysis, Securities (Finance), Financial Analysis, Credit Risk, Financial Market, Portfolio Risk, Investments, Risk Management, Equities, Market Dynamics, Portfolio Management, Finance, Investment Banking
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Dashboard, Dashboard Creation, Data-Driven Marketing, Data-Driven Decision-Making, Marketing Analytics, Marketing Effectiveness, Marketing Strategies, Marketing Planning, Campaign Management, Data Presentation, Strategic Marketing, Strategic Thinking, Performance Analysis, Business Strategies, Analysis
Beginner · Course · 1 - 4 Weeks