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 Colorado System
Skills you'll gain: Cryptography, Cryptographic Protocols, Data Integrity, Encryption, Authentications, Data Security, Data Encryption Standard, Advanced Encryption Standard (AES), Digital Communications
★ 4.5 (102) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Star Schema, Snowflake Schema, Data Lakes, Data Warehousing, CI/CD, Database Design, Microsoft Azure, Power BI, Data Governance, Continuous Integration, Real Time Data, Data Pipelines, Microsoft Copilot, Transaction Processing, Data Architecture, Model Optimization, Transact-SQL, Enterprise Architecture, SQL, Cloud Infrastructure
★ 3.6 (10) · Intermediate · Professional Certificate · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Image Analysis, Computer Vision, Deep Learning, Convolutional Neural Networks, Machine Learning Methods, Data Ethics, Microsoft Excel, Generative AI, Excel Formulas, Responsible AI, Data Transformation, Linear Algebra, Feature Engineering, Digital Signal Processing
★ 4.5 (44) · Beginner · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Performance Tuning, Web Development, Web Applications, Software Architecture, Other Programming Languages, Network Security, Memory Management
★ 2.8 (14) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Test Automation, Test Script Development, Debugging, Test Case, Test Tools, Selenium (Software), Software Testing, Development Testing, API Testing, Integration Testing, Maintainability, Test Engineering, Business Process Automation, Automation, Code Reusability, Scalability
Advanced · Course · 1 - 4 Weeks

Howard University
Skills you'll gain: Design Thinking, Business Software, Information Systems, Cloud Computing, Cloud Solutions, Solution Design, Cloud Computing Architecture, Customer Analysis, Enterprise Application Management, Cloud Deployment, Cloud Security, Virtualization, Cloud Platforms, Digital Transformation, Management Information Systems, Business Solutions, Information Technology, Process Design, Cybersecurity, Data Management
★ 4.7 (87) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Data Preprocessing, Unsupervised Learning, Model Evaluation, Time Series Analysis and Forecasting, Supervised Learning, Machine Learning, Machine Learning Methods, Artificial Intelligence and Machine Learning (AI/ML), Applied Machine Learning, Machine Learning Algorithms, Data Processing, Model Training, Feature Engineering, Artificial Intelligence, Deep Learning, Classification Algorithms, Model Optimization, Regression Analysis
★ 4.4 (30) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Google Analytics, Web Analytics and SEO, Search Engine Optimization, Web Analytics, Content Performance Analysis, Keyword Research, Content Optimization, Prioritization, Data Import/Export, Gap Analysis, Workflow Management, Data Integration, User Research, Performance Metric
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Test Automation, Test Tools, Continuous Integration, CI/CD, AI Orchestration, AI Integrations, Software Quality Assurance, Maintainability, Quality Assurance, Automation, Verification And Validation, User Interface (UI), Natural Language Processing, Scalability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Responsible AI, Model Deployment, AI Security, Artificial Intelligence and Machine Learning (AI/ML), Generative AI Agents, Generative AI, Amazon Bedrock, Prompt Engineering, AWS SageMaker, Generative Model Architectures, Artificial Intelligence, Data Ethics, AI Enablement, Prompt Patterns, Application Deployment, AI Integrations, AI literacy, Large Language Modeling, Model Training, Amazon Web Services
★ 4.6 (21) · Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Statistical Hypothesis Testing, Descriptive Statistics, Statistical Visualization, Data Transformation, Data Cleansing, Statistical Analysis, Regression Analysis, Statistical Programming, R (Software), Probability, Probability Distribution, Sampling (Statistics), Box Plots, Histogram, R Programming, Statistical Methods, Statistical Software, Microsoft Excel, Statistics, Data Analysis
★ 4.6 (51) · Beginner · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: Google Workspace, Gmail, Control Panels, Technical Support, Email Security, Issue Tracking, Technical Communication, Systems Administration, Data Access, Cloud Storage, Security Controls, Event Monitoring, File Management
★ 4.6 (27) · Beginner · Course · 1 - 4 Weeks