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.

Universitat Politècnica de València
Skills you'll gain: Encryption, Malware Protection, Distributed Denial-Of-Service (DDoS) Attacks, Computer Security Awareness Training, Cybersecurity, Cyber Attacks, Identity and Access Management, Security Awareness, Security Controls, Data Security, Personally Identifiable Information, User Accounts, Information Systems Security, Human Factors (Security), Email Security, Cyber Risk, Information Privacy
Beginner · Course · 1 - 4 Weeks

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Theoretical Computer Science, Applied Mathematics, Algorithms, Cryptography, Relational Databases, Data Management
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Productivity, Brand Strategy, Market Research, Professional Networking, Time Management, Branding, Target Audience, Business Modeling, Social Media, Prioritization, Competitive Analysis, Photo/Video Production and Technology, Promotional Materials, Goal Setting, Business Strategy, Marketing Materials, Business Planning, Recruitment, Presentations, Marketing
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Azure Active Directory, Identity and Access Management, Microsoft Azure, Disaster Recovery, Virtual Machines, Active Directory, Role-Based Access Control (RBAC), Virtual Networking, Virtualization and Virtual Machines, Application Deployment, Cloud Security, Cloud Infrastructure, User Accounts, Multi-Factor Authentication, System Monitoring, Cloud Storage, Automation
Intermediate · Course · 1 - 3 Months

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

University of California, Santa Cruz
Skills you'll gain: Research, Investigation, Storytelling, Systems Thinking, Content Creation, Peer Review, Political Sciences, Social Sciences, Social Impact, Discussion Facilitation, World History
Beginner · Course · 1 - 3 Months

Skills you'll gain: Disaster Recovery, Data Validation, Business Continuity, Security Controls, Risk Mitigation, Project Management, Risk Management, System Testing, Technical Management, System Implementation, Data Integrity, Software Development Methodologies
Intermediate · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: Amazon Web Services, Customer Communications Management, Customer experience strategy (CX), Integrated Marketing Communications, Cross-Channel Marketing, Service Level, Systems Integration, Security Controls
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Descriptive Statistics, Statistical Hypothesis Testing, Regression Analysis, Probability Distribution, Statistical Analysis, R Programming, Data Import/Export, Statistical Modeling, Statistical Methods, Tidyverse (R Package), Data Literacy, Plot (Graphics), Statistics, Data Manipulation, Data Analysis, Statistical Inference, Data Structures
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Performance Measurement, Portfolio Management, Performance Analysis, Investments, Portfolio Risk, Financial Trading, Benchmarking, Derivatives, Equities, International Finance, Risk Management, Market Liquidity, Financial Regulation, Case Studies
Mixed · Course · 1 - 4 Weeks

Coursera
Beginner · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Model Evaluation, Data Validation, Regression Analysis, Exploratory Data Analysis, Plot (Graphics), Statistical Modeling, Data Transformation, Correlation Analysis, Statistical Analysis, R Programming, Time Series Analysis and Forecasting, Statistical Inference, Statistical Hypothesis Testing, Probability Distribution
Build toward a degree
Intermediate · Course · 1 - 4 Weeks