Internet Security courses can help you learn about network security protocols, encryption techniques, and threat detection methods. You can build skills in risk assessment, incident response, and implementing security policies. Many courses introduce tools like firewalls, intrusion detection systems, and antivirus software, demonstrating how these tools are used to protect sensitive data and maintain system integrity.

Skills you'll gain: Webpack, Frontend Performance, Search Engine Optimization, Web Development Tools, Web Analytics and SEO, Performance Tuning, Build Tools, Debugging, Usability Testing, Web Development, Software Testing, Test Tools, Front-End Web Development, Functional Testing, Test Automation, Continuous Monitoring, Development Testing, Computer Programming Tools, JavaScript Frameworks, WordPress
★ 4.5 (38) · Intermediate · Course · 1 - 3 Months
Johns Hopkins University
Skills you'll gain: Infection Control, Emergency Response, Nursing Homes, Hand Hygiene, Public Health and Disease Prevention, Personal protective equipment, Safety and Security, Public Health, Community Health, Home Health Care and Assisted Living, Sanitation, Geriatrics, Mental Health, Infectious Diseases, Community Mental Health Services, Health And Safety Standards, Education and Training, Policy Development, Interpersonal Communications, Media and Communications
★ 4.8 (154) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Classification And Regression Tree (CART), Decision Tree Learning, Data Preprocessing, Data Transformation, Supervised Learning, Predictive Modeling, Feature Engineering, Scikit Learn (Machine Learning Library), Classification Algorithms, Applied Machine Learning, Model Evaluation, Model Training
★ 4.6 (233) · Intermediate · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Tidyverse (R Package), Ggplot2, Data Wrangling, Statistical Modeling, Exploratory Data Analysis, Plot (Graphics), R Programming, Data Import/Export, Predictive Modeling, Data Visualization, Interactive Data Visualization, Statistical Visualization, Sampling (Statistics), Data Visualization Software, Statistical Hypothesis Testing, Data Analysis, Web Scraping, Data Science, R (Software), Data Analysis Software
★ 4.5 (111) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Competitive Analysis, Web Presence, Content Creation, Entrepreneurship
★ 4.1 (14) · Beginner · Guided Project · Less Than 2 Hours

Infosec
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Secure Coding, Application Security, Encryption, Security Controls, Data Security, Endpoint Security, Database Application, Web Applications, Cryptography, Object-Relational Mapping, Authentications, Data Access, Query Languages, Computer Programming
★ 4.4 (9) · Beginner · Course · 1 - 4 Weeks

The State University of New York
Skills you'll gain: Professional Development, Professionalism, Business Ethics, Intercultural Competence, Strong Work Ethic, Telecommuting, Cultural Diversity, Personal Development, Overcoming Obstacles, Cultural Sensitivity, Learning Management Systems, Education Software and Technology, Collaboration, Goal Setting, Teamwork, Problem Solving, Adaptability, Higher Education, digital literacy, Communication
★ 4.2 (16) · Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Flutter (Software), UI Components, Mobile Development, Google Cloud Platform, User Interface (UI), Application Development, Cross Platform Development, Web Development, Network Security
★ 4.1 (15) · Beginner · Project · Less Than 2 Hours

Coursera
Skills you'll gain: Model Context Protocol, AI Integrations, AI Security, Enterprise Architecture, Scalability, Systems Architecture, Servers, Interoperability, Authentications, System Design and Implementation, Enterprise Security, Performance Tuning
★ 2.6 (16) · Advanced · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Prompt Patterns, Generative AI Agents, AI Orchestration, AI Workflows, Business Process Automation, Make.com, Large Language Modeling, Automation, ChatGPT, Agentic systems, Generative Model Architectures, Agentic Workflows, LangChain, Responsible AI, AI Security, Workflow Management, OpenAI, Process Optimization, Application Programming Interface (API), Decision Support Systems
★ 4.2 (28) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Test Driven Development (TDD), Unit Testing, Test Script Development, Test Automation, Test Case, Development Testing, Software Testing, Python Programming, Requirements Analysis
★ 3.8 (30) · Intermediate · Course · 1 - 3 Months

Schneider Electric
Skills you'll gain: Data Centers, Sustainable Technologies, Internet Of Things, Climate Change Mitigation, Information Technology, Manufacturing Operations, Manufacturing Processes, Data Infrastructure, Automation Engineering, Electric Power Systems, Digital Transformation, Transportation Operations, AI Integrations, Artificial Intelligence
Beginner · Course · 1 - 3 Months