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 Commands, Linux, Command-Line Interface, Penetration Testing, Linux Administration, General Networking, Cyber Security Assessment, Exploitation techniques, Cybersecurity, Data Ethics, Vulnerability Scanning, Network Security, System Configuration, Software Installation, Virtual Machines
★ 4.3 (38) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Ansible, Infrastructure as Code (IaC), Configuration Management, Correlation Analysis, CI/CD, Docker (Software), GitHub, Data Strategy, Collaborative Software, Git (Version Control System), Containerization, Cloud Infrastructure, Data Security, Data Pipelines, Version Control, Continuous Deployment, Continuous Integration, Devops Tools, Kubernetes, Scalability
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Test Automation, Test Script Development, Mobile Development Tools, Jenkins, Test Execution Engine, Application Frameworks, Continuous Integration, Debugging, Scalability, CI/CD, Test Engineering, Maintainability, Automation, Continuous Deployment, Cross Platform Development, Code Reusability, Containerization
Advanced · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Stored Procedure, PL/SQL, SQL, Database Design, Database Management, Query Languages, Database Management Systems, Data Access, Databases, Database Systems, Java, Java Programming, JUnit
★ 4.3 (10) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Database Design, Relational Databases, SQL, Database Development, Databases, R Programming, R (Software), Data Science, Query Languages, Data Access, Data Manipulation, Data Analysis
★ 4.4 (194) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Network Protocols, Network Performance Management, Network Monitoring, Network Troubleshooting, Threat Detection, Network Analysis, Network Security
★ 4.7 (6) · Intermediate · Guided Project · Less Than 2 Hours

University of Michigan
Skills you'll gain: Data Visualization, Exploratory Data Analysis, Statistical Visualization, Plot (Graphics), Statistical Analysis, Data Presentation, Policy Analysis, Research, and Development, Ggplot2, Program Evaluation, Policy Analysis, Surveys, Data Ethics, R (Software), Data Analysis, Tidyverse (R Package), R Programming, Statistical Methods, Public Policies, Case Studies, Political Sciences
★ 4.6 (124) · Intermediate · Specialization · 3 - 6 Months

Amazon Web Services
Skills you'll gain: Infrastructure as Code (IaC), Serverless Computing, CI/CD, Data Infrastructure, Amazon Web Services, Continuous Integration, Data Architecture, AWS Identity and Access Management (IAM), Devops Tools, AWS CloudFormation, Security Controls, Cloud Applications, Amazon CloudWatch, Terraform, Authentications
★ 4.6 (291) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Data Integrity, Data Quality, Data Validation, Data Entry, Quality Assurance, Medical Records, Patient Safety, Regulatory Compliance, Record Keeping
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Computer Vision, Image Analysis, Model Evaluation, Model Training, Deep Learning, Matlab, Machine Learning Methods, Data Preprocessing, Model Optimization, Machine Learning, Classification Algorithms, Machine Learning Algorithms, Transfer Learning, Anomaly Detection, Geospatial Information and Technology, Traffic Flow Optimization, Algorithms
★ 4.6 (99) · Intermediate · Specialization · 1 - 3 Months

Imperial College London
Skills you'll gain: Correlation Analysis, Regression Analysis, Data Analysis, R Programming, Descriptive Statistics, Descriptive Analytics, Statistical Modeling, R (Software), Exploratory Data Analysis, Model Evaluation, Statistical Analysis, Statistical Methods, Probability & Statistics, Biostatistics, Predictive Modeling, Model Training, Data Manipulation, Data Import/Export
★ 4.8 (533) · Intermediate · Course · 1 - 4 Weeks

John Wiley & Sons
Skills you'll gain: Product Marketing, Go To Market Strategy, Value Propositions, Product Planning, Product Strategy, Product Management, Strategic Marketing, Storytelling, Marketing Planning, Commercialization, Product Promotion, Growth Strategies, Market Share, Branding, Brand Strategy, User Feedback, Persuasive Communication, Customer experience improvement, Strategic Partnership, Customer Analysis
Beginner · Course · 1 - 3 Months