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: Research Reports, Report Writing, Case Studies, Financial Reporting, Business Writing, Analysis, Data Analysis, Financial Analysis, Writing, Equities, Concision, Financial Modeling, Predictive Analytics, Target Audience, Data Science, Credit Risk, Predictive Modeling, Machine Learning, R Programming, Logistic Regression
★ 4.9 (30) · Mixed · 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

Johns Hopkins University
Skills you'll gain: Social Media Analytics, Social Network Analysis, Machine Learning, Machine Learning Methods, Applied Machine Learning, Large Language Modeling, Natural Language Processing, Text Mining, Network Analysis, Analytics, Data Preprocessing, Unstructured Data, Classification Algorithms, Model Evaluation, Artificial Intelligence and Machine Learning (AI/ML), Unsupervised Learning, Data Processing
★ 4.5 (6) · Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: MLOps (Machine Learning Operations), Application Performance Management, System Monitoring, Continuous Monitoring, AI Integrations, Performance Tuning, Anomaly Detection, Data Mapping, Dependency Analysis
Beginner · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Creative Problem-Solving, Brainstorming, User Story, Innovation, Solution Design, Agile Methodology, Creativity, Agile Product Development, Systems Engineering, Requirements Analysis, Requirements Elicitation, Complex Problem Solving, Risk Management, Test Driven Development (TDD), Requirements Management
★ 4.5 (43) · Intermediate · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Bayesian Network, Numerical Analysis, Markov Model, Estimation, Simulations, Integral Calculus, Matlab, Mathematical Modeling, Applied Mathematics, Simulation and Simulation Software, Algorithms, Brute-force attacks, Computer Programming Tools
★ 4.9 (7) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Customer Relationship Management (CRM) Software, Email Marketing, Data Mapping, Marketing Automation, Data Validation, Customer Relationship Management, Gmail, Email Automation, Marketing Effectiveness, Data Integration, Marketing, Customer Data Management, Personalized Campaigns, Data Quality, Data Import/Export, Operational Efficiency
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Web Scraping, Real Time Data, OpenAI API, Data Capture, Scripting, OpenAI, Natural Language Processing, LLM Application, Python Programming, Data Processing, Application Development, Machine Learning
★ 4.5 (8) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Security Testing, Penetration Testing, Open Web Application Security Project (OWASP), Vulnerability Scanning, Application Security, Exploitation techniques, Vulnerability Assessments, Test Tools, Web Applications, Proxy Servers, SQL
Intermediate · Course · 1 - 3 Months

Infosec
Skills you'll gain: Authentications, Cryptography, Secure Coding, Kotlin, Android (Operating System), OAuth, Encryption, Mobile Security, Android Development, Key Management, Exploit development, Application Security, Android Studio, Data Security, Open Web Application Security Project (OWASP), Authorization (Computing), Mobile Development, Security Architecture Review, Security Testing, Application Development
Intermediate · Specialization · 1 - 3 Months

Board Infinity
Skills you'll gain: Power BI, Data Analysis Expressions (DAX), Interactive Data Visualization, Dashboard Creation, Data Presentation, Data Storytelling, Dashboard, Data Visualization Software, Data Security, Data Integration, Data Transformation, Data Integrity, Data Import/Export, Data Management, Data Manipulation, Data Modeling, Software Installation
★ 2.8 (6) · Intermediate · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Microsoft Visio, Process Flow Diagrams, Workflow Management, Schematic Diagrams, Data Visualization, Process Mapping, Network Planning And Design, Graphic and Visual Design Software, Visual Design, Graphic and Visual Design, Organizational Structure, Graphic Design, Cross-Functional Collaboration, Branding, File Management, Editing
Mixed · Course · 1 - 3 Months