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.

Coursera
Skills you'll gain: Email Marketing, Content Performance Analysis, A/B Testing, Personalized Campaigns, Performance Analysis, Email Automation, Marketing Analytics, Data-Driven Marketing, Campaign Management, Content Optimization, Driving engagement, Campaign Planning, Content Creation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Dashboard, Data Warehousing, Data Storytelling, SQL, Data Visualization, Dashboard Creation, Database Design, Data Security, Data Migration, Data Governance, Data Presentation, Descriptive Statistics, IBM DB2, Extract, Transform, Load, Data Management, Relational Databases, Databases, Data Architecture, Excel Formulas, Business Intelligence
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Data Ethics, File Management, Data Security, Google Sheets, Databases, Data Access, Data Storage, Data Quality, Data Management, Data Collection, Relational Databases, SQL, Data Import/Export, Metadata Management, Unstructured Data
Beginner · Course · 1 - 3 Months

Skills you'll gain: Application Deployment, Android Studio, Android Development, Android (Operating System), Mobile Development, System Software, Software Installation, Application Development, Embedded Systems, Systems Architecture, Software Testing, Application Frameworks, Software Architecture, User Interface (UI) Design
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Medical Billing, Medical Billing and Coding, Medical Coding, Revenue Cycle Management, ICD Coding (ICD-9/ICD-10), CPT Coding, Medical Office Procedures, Health Information Management and Medical Records, Claims Processing, Billing, Billing & Invoicing, Clinical Documentation, Health Information Management, Electronic Medical Record, Health Administration, Medical Terminology, System Monitoring, Site Reliability Engineering, Adjudication, Ansible
Beginner · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Azure Synapse Analytics, Data Transformation, Microsoft SQL Servers, Data Pipelines, SQL, Data Manipulation, Time Series Analysis and Forecasting, Advanced Analytics, Data Wrangling, Performance Tuning
Advanced · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Email Automation, Email Marketing, Marketing Automation, Customer Engagement, Driving engagement, Customer Relationship Building, Greeting Customers
Beginner · Course · 1 - 4 Weeks
LearnQuest
Skills you'll gain: Oracle SQL Developer, SQL, Oracle Databases, PL/SQL, Database Design, Database Theory, Database Management Systems, Database Systems, Database Management, Database Architecture and Administration, Database Development, Relational Databases, Databases, Data Storage Technologies, Data Storage, Query Languages, Transaction Processing, Stored Procedure, Data Management, Data Modeling
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Databricks, Prompt Engineering, Generative AI, Retrieval-Augmented Generation, Vector Databases, Context Engineering, Fine-tuning, LLM Application, MLOps (Machine Learning Operations), Large Language Modeling, Applied Machine Learning, Embeddings, Data Lakes, Model Evaluation, Model Optimization, Application Deployment, Acceptance Testing
Intermediate · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Zero Trust Network Access, Identity and Access Management, Multi-Factor Authentication, Role-Based Access Control (RBAC), Security Controls, NIST 800-53, Network Architecture, Open Web Application Security Project (OWASP), Cyber Security Policies, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Cyber Threat Intelligence, Network Planning And Design, Cloud Computing, Security Strategy, Cyber Operations, Network Monitoring, Public Key Infrastructure, Hybrid Cloud Computing, Virtual Private Networks (VPN), Linux
Beginner · Course · 1 - 3 Months

Skills you'll gain: Inventory Management, Inventory Control, Key Performance Indicators (KPIs), Medical Office Procedures, Time Management, Patient Communication, Patient Flow, Patient Education And Counseling, Record Keeping, Patient Coordination, Health Care Administration, Medical Records, Care Coordination, Scheduling, Emergency Response, Triage, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Clinical Documentation, Patient Safety, Active Listening
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Team Performance Management, Performance Analysis, Performance Measurement, Dashboard Creation, Dashboard, Return On Investment, Performance Improvement, Project Performance, Project Management Software, Goal Setting
Beginner · Course · 1 - 4 Weeks