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 Boulder
Skills you'll gain: Large Language Modeling, Model Optimization, Recurrent Neural Networks (RNNs), Natural Language Processing, Prompt Engineering, Model Training, LLM Application, Artificial Neural Networks, Transfer Learning, Deep Learning, Embeddings, Fine-tuning, Generative Model Architectures
★ 4.9 (8) · Intermediate · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Data Integration, Data Analysis, Data Mining, Data Presentation, Data-Driven Decision-Making, Data Modeling, Data Governance, Business Analytics, Data Visualization, Dashboard Creation, Analytics, Statistical Analysis, Dashboard, Data Warehousing, Data Management, Data Security, Data Quality, Data Cleansing, Data Integrity, Machine Learning
Intermediate · Course · 1 - 3 Months

Genentech
Skills you'll gain: Clinical Data Management, Clinical Trials, Clinical Research, Interactive Data Visualization, Case Report Forms, Drug Development, Data Presentation, R (Software), Pharmaceuticals, Shiny (R Package), Data Visualization, Statistical Reporting, Dashboard, Data Modeling, R Programming, Data Manipulation, Statistical Programming, Data Science, Statistical Analysis, Data Preprocessing
★ 4.6 (19) · Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Cryptography, Encryption, Application Development, Security Engineering, C and C++, C++ (Programming Language)
★ 4.2 (17) · Intermediate · Guided Project · Less Than 2 Hours

Emory University
Skills you'll gain: Laboratory Testing, Specimen Processing, Epidemiology, Infection Control, Laboratory Procedures, Public Health, Infectious Diseases, Public Health and Disease Prevention, Healthcare Ethics, Bloodborne Pathogens, Emergency Response, Health Policy, Patient Evaluation, Health Systems, Medical Science and Research, International Relations, Public Safety and National Security, Diagnostic Tests, Direct Patient Care, Personal protective equipment
★ 4.7 (222) · Mixed · Course · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Insurance, Insurance Policies, Risk Management, Long Term Care, Wealth Management, Disabilities, Financial Planning, Health Policy, Health Care, Case Studies
★ 4.9 (11) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Non-Verbal Communication, Intelligence Collection and Analysis, Exploitation techniques, Human Factors (Security), Data Collection, Security Awareness, Persuasive Communication, Email Security
Intermediate · Course · 1 - 3 Months

Edureka
Skills you'll gain: Development Environment, Web Development, Computer Programming, Program Development, Other Programming Languages
★ 2.8 (28) · Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Artificial Intelligence and Machine Learning (AI/ML), Decision Tree Learning, Artificial Neural Networks, Markov Model, Algorithms, Artificial Intelligence, Statistical Inference, Statistical Modeling, Network Model, Forecasting, Computational Logic, Dependency Analysis, Statistical Methods, Probability Distribution, Data-Driven Decision-Making, Time Series Analysis and Forecasting, Sampling (Statistics), Model Optimization, Solution Design, Technical Design
★ 3.8 (11) · Beginner · Specialization · 3 - 6 Months

LearnKartS
Skills you'll gain: Apache Kafka, Apache, Data Pipelines, Distributed Computing, Scalability, File Systems, Data Store, Live Streaming, Data Persistence, File I/O, Data Storage Technologies, Command-Line Interface, Data Maintenance, Data Storage, Network Monitoring, File Management, Records Management
★ 4.2 (9) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Figma (Design Software), Responsive Web Design, UI Components, Layout Design, UI/UX Strategy, User Interface (UI) Design, User Interface and User Experience (UI/UX) Design, Design Strategies, Web Design, Scalability, Prototyping, File Management
★ 4.6 (22) · Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Statistical Modeling, R Programming, Statistical Analysis, Data Analysis, R (Software), Data Ethics, Advanced Analytics, Statistical Methods, Data Modeling, Regression Analysis, Predictive Modeling, Mathematical Modeling, Machine Learning, Logistic Regression, Probability & Statistics, Statistical Inference, Model Evaluation, Probability Distribution, Linear Algebra, Calculus
★ 4.2 (26) · Intermediate · Course · 1 - 4 Weeks