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 Toronto
Skills you'll gain: Computer Vision, Convolutional Neural Networks, Image Analysis, Deep Learning, Robotics, Model Training, Machine Learning Algorithms, Model Evaluation, Linear Algebra
★ 4.7 (587) · Advanced · Course · 1 - 3 Months

Campus BBVA
Skills you'll gain: Incident Response, Computer Security Incident Management, Incident Management, Security Management, Crisis Management, Cybersecurity, Cyber Attacks, Computer Security Awareness Training, Cyber Threat Intelligence, Threat Management, Cyber Risk, Security Awareness, Security Controls, Data Security, Email Security, Asset Protection, Endpoint Security, Business Process, Data Loss Prevention, Authentications
★ 4.7 (498) · Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Tidyverse (R Package), Clinical Data Management, R (Software), Health Insurance Portability And Accountability Act (HIPAA) Compliance, R Programming, Medical Privacy, Clinical Research Ethics, Google Cloud Platform, Data Ethics, Data Science, Health Informatics, Statistical Programming, Data Wrangling, Data Processing, Electronic Medical Record, Data Manipulation, SQL, Data Access, Query Languages
★ 4.5 (436) · Intermediate · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Investment Management, Wealth Management, Asset Management, Investments, FinTech, Financial Trading, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Big Data, Artificial Neural Networks, Machine Learning
★ 4.7 (426) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Postman API Platform, Personalized Campaigns, API Testing, Marketing Automation, Content Management Systems, Application Programming Interface (API), Drupal, Restful API, Data Mapping, Workflow Management, Data Integration, Security Controls, Compliance Management, Data Security
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Responsible AI, Prompt Engineering, Generative AI, AI Product Strategy, Model Optimization, Risk Management Framework, Governance Risk Management and Compliance, Content Performance Analysis, Risk Management, Governance, Retrieval-Augmented Generation, Model Evaluation, Compliance Management, Data-Driven Decision-Making, Performance Analysis, Gap Analysis, Large Language Modeling, Performance Metric, Quality Assessment, Cost Benefit Analysis
Intermediate · Course · 1 - 4 Weeks

Universitat Autònoma de Barcelona
Skills you'll gain: Computer Security Awareness Training, Operating Systems, Computer Literacy, digital literacy, File Management, Data Security, Information Technology, Computer Hardware, Safety and Security, Computer Systems
★ 4.7 (753) · Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Telehealth, Patient Safety, Health Technology, Medical Equipment and Technology, Help Desk Support, Medical Support, Technical Support, Health Informatics, Information Technology Operations, Health Care, Issue Tracking, Change Control, Medical Devices, Network Troubleshooting, Change Requests, Disaster Recovery, Technical Documentation, General Networking
★ 4.8 (207) · Mixed · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: JUnit, Unit Testing, Test Case, Test Data, Test Script Development, Test Automation, Software Testing
★ 4.4 (17) · Intermediate · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Memory Management, C (Programming Language), C++ (Programming Language), Object Oriented Programming (OOP), Object Oriented Design, C and C++, Programming Principles, Data Structures, Secure Coding, Algorithms, Software Design, Application Security, Other Programming Languages, System Programming, Python Programming, Computer Architecture, Computer Programming, Java, Performance Tuning, Unix
★ 4.5 (252) · Intermediate · Specialization · 3 - 6 Months

Unilever
Skills you'll gain: Data Storytelling, Marketing Automation, Web Analytics, Marketing Effectiveness, Marketing Analytics, Customer Insights, Campaign Planning, Digital Marketing, Social Media Campaigns, Campaign Management, Digital Marketing Tools, Web Analytics and SEO, Market Analysis, Digital Advertising, Social Media Marketing, Search Engine Marketing, Marketing Strategies, Digital Media Strategy, Digital Analysis, Google Analytics
★ 4.7 (345) · Beginner · Professional Certificate · 3 - 6 Months

Coursera
Skills you'll gain: Invoicing, Billing & Invoicing, Accounting Records, Billing, Excel Formulas, Spreadsheet Software, Tax Compliance, Payment Processing and Collection, Tax Management, Microsoft Excel, Regulation and Legal Compliance, Sales Tax, Regulatory Requirements, Automation
Beginner · Course · 1 - 4 Weeks