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.

Johns Hopkins University
Skills you'll gain: Social Network Analysis, Network Analysis, Responsible AI, Graph Theory, Machine Learning, Applied Machine Learning, Research, Model Evaluation, Social Sciences, Statistical Analysis, Amazon Web Services, R Programming, Tensorflow, Data Ethics, Artificial Intelligence and Machine Learning (AI/ML), Research Design, Sociology, Driving engagement, Machine Learning Methods, Behavioral Economics
Intermediate · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Consultative Selling, Sales Prospecting, Sales Management, Sales Training, Sales Operations, Communication, Process Optimization, User Research, Personal Development, Negotiation, Persona Development, B2B Sales, Stress Management, Interpersonal Communications, Customer Analysis, Mentorship, Growth Mindedness, Employee Onboarding, Customer Relationship Management (CRM) Software, Account Management
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Reconciliation, QuickBooks (Accounting Software), Ledgers (Accounting), Accounting Records, Audit Working Papers, General Ledger, Auditing, Bookkeeping, Standard Accounting Practices, Accounts Payable, Workflow Management, Accounting Software, Document Management, Data Integrity, Accounting Systems, Record Keeping, Accounts Payable and Receivable, Accounts Receivable, Transaction Processing, Billing & Invoicing
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Exploratory Data Analysis, Teradata SQL, JSON, Data Integration, Advanced Analytics, Data Cleansing, Text Mining, Data Quality, Data Analysis, Statistical Analysis, Application Programming Interface (API), Database Management, Natural Language Processing
Intermediate · Course · 1 - 4 Weeks

Universidad de los Andes
Skills you'll gain: Unified Modeling Language, Software Visualization, Diagram Design, Software Design, Object Oriented Design, Software Engineering, Requirements Analysis
Beginner · Course · 1 - 3 Months

Skills you'll gain: Generative AI, Generative Adversarial Networks (GANs), Artificial Intelligence and Machine Learning (AI/ML), Responsible AI, Applied Machine Learning, Data Ethics, Transfer Learning, Federated Learning, Scalability, Machine Learning, Distributed Computing, Model Evaluation, MLOps (Machine Learning Operations), Microsoft Azure, Information Privacy
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Dataflow, Serverless Computing, Identity and Access Management, Data Infrastructure, Data Pipelines, Cloud Security, Cloud Computing, Data Processing, Data Storage Technologies, Containerization, Interoperability
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Team Performance Management, Performance Management, Key Performance Indicators (KPIs), Performance Measurement, Employee Performance Management, Management Training And Development, Performance Metric, Performance Improvement, Human Resource Strategy, Performance Analysis, Business Metrics, Performance Review, Constructive Feedback, Organizational Strategy, Accountability, Employee Engagement, Data-Driven Decision-Making, Analytics, Continuous Improvement Process, Driving engagement
Intermediate · Course · 1 - 4 Weeks

28DIGITAL
Skills you'll gain: Cybersecurity, Computer Security, Cyber Security Strategy, Cyber Threat Intelligence, Cyber Security Policies, Threat Management, Cyber Risk, Threat Detection, Cyber Security Assessment, Network Security, Application Security, Risk Management, Data Security, Information Privacy, Vulnerability Assessments, Business Economics
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Patient Preparation, Health Information Management, Care Coordination, Educational Materials, Decision Making
Beginner · Course · 1 - 3 Months

Imperial College London
Skills you'll gain: Epidemiology, Infectious Diseases, Mathematical Modeling, Public Health, R Programming, Differential Equations
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Medical Billing and Coding, Medical Billing, ICD Coding (ICD-9/ICD-10), Medical Coding, CPT Coding, Revenue Cycle Management, Clinical Documentation, Medical Office Procedures, Health Information Management and Medical Records, Health Administration, Revenue Management, Medical Terminology
Beginner · Course · 1 - 4 Weeks