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: Blockchain, Digital Assets, Financial Inclusion, FinTech, Cryptography, Distributed Computing, Financial Services, Digital Transformation, Ledgers (Accounting), Cryptographic Protocols, Network Security, Information Privacy, Transaction Processing, Cost Reduction
★ 4.7 (40) · Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Marketing Design, Social Media Marketing, Social Media Content, Marketing Materials, Social Media Campaigns, Event Marketing, Marketing, Content Creation, Social Media, Branding, Promotional Materials, Loyalty Programs, Advertising, Creative Design, Product Promotion, Design, Brand Loyalty, Customer Engagement
★ 4.7 (223) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Epic EMR, Health Informatics, Data Mapping, Clinical Data Management, Data Dictionary, Clinical Documentation, Data Analysis, Electronic Medical Record, Extract, Transform, Load, Data Integrity, Data Import/Export, Data Access
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Penetration Testing, Vulnerability Scanning, Cyber Security Assessment, Vulnerability Assessments, MITRE ATT&CK Framework, Security Testing, Payment Card Industry (PCI) Data Security Standards, NIST 800-53, Network Analysis, General Data Protection Regulation (GDPR), Cloud Computing
★ 4.8 (9) · Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Image Analysis, Computer Vision, Autoencoders, Convolutional Neural Networks, Vision Transformer (ViT), Generative Adversarial Networks (GANs), Recurrent Neural Networks (RNNs), Deep Learning, Generative Model Architectures, Artificial Intelligence and Machine Learning (AI/ML), Computer Graphics, Visualization (Computer Graphics), Machine Learning Methods, Model Deployment, Embeddings, Artificial Intelligence, Data Ethics, Data Processing, Applied Machine Learning, Linear Algebra
★ 4.5 (83) · Intermediate · Specialization · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Tidyverse (R Package), Rmarkdown, R Programming, Ggplot2, R (Software), Plot (Graphics), Data Visualization, Data Import/Export, Statistical Visualization, Data Wrangling, Statistical Reporting, Data Visualization Software, Data Presentation, Data Analysis, Data Science, Data Manipulation, Statistical Analysis, Relational Databases, Data Cleansing, Communication
★ 4.1 (56) · Beginner · Specialization · 1 - 3 Months

LearnQuest
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Test Case, Test Automation, Test Tools, Continuous Integration, Test Data, Functional Testing, Test Execution Engine, CI/CD, Software Testing, Test Engineering, No-Code Development, Code Reusability, Maintainability, Distributed Computing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Google Cloud Platform, Load Balancing, Cloud Infrastructure, Terraform, Infrastructure as Code (IaC), Cloud Computing, Virtual Private Networks (VPN), Cloud Services, Virtual Machines, Cloud Management, Managed Services, Virtual Networking, Network Security, General Networking, Scalability
★ 4.9 (167) · Intermediate · Course · 1 - 3 Months

28DIGITAL
Skills you'll gain: Technical Standard, General Data Protection Regulation (GDPR), Personally Identifiable Information, Information Privacy, Case Law, Medical Privacy, Court Systems, Telecommunications, Legal Writing, Law, Regulation, and Compliance, Legal Research, Legal Strategy, Ethical Standards And Conduct, Data Ethics, Health Insurance Portability And Accountability Act (HIPAA) Compliance, European History, International Relations, Interoperability, Data Security, Emerging Technologies
★ 4.4 (384) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Azure Active Directory, Single Sign-On (SSO), Identity and Access Management, Authentications, Authorization (Computing), Active Directory, Multi-Factor Authentication, Microsoft Azure, User Provisioning, Role-Based Access Control (RBAC), Enterprise Security
★ 4.8 (10) · Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Injury Prevention, Public Safety and National Security, Social Justice, Policty Analysis, Research, and Development, Public Policies, Policy Analysis, Public Health and Disease Prevention, Public Health, Health Disparities, Law, Regulation, and Compliance, Community Health
★ 4.7 (468) · Beginner · Course · 1 - 3 Months