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.

Coursera
Skills you'll gain: Search Engine Optimization, Content Management, Content Management Systems, Web Content, Web Design, Web Presence, Information Architecture, Web Design and Development, Digital Publishing, Account Management, Business Priorities, Editing, Photo Editing
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Virtual Networking, Open Shortest Path First (OSPF), Computer Networking, Network Engineering, Network Planning And Design, TCP/IP, General Networking, OSI Models, Wireless Networks, Network Routing, Virtualization and Virtual Machines, Security Controls, Network Switches, Event Monitoring, Local Area Networks, Cloud Infrastructure, Puppet (Configuration Management Tool), IT Automation, Chef (Configuration Management Tool), Real Time Data
Intermediate · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Order Management, Order Entry, Sales Process, Order Processing, Accounting Software, Customer Relationship Management, Inventory Control, Small Business Accounting, Inventory Management System, Customer Relationship Management (CRM) Software, Financial Reporting, Accounts Receivable, Invoicing, Cloud Security, Sales, Amazon Web Services, Data Security, Billing & Invoicing, Accounting, Finance
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Encryption, Cybersecurity, Threat Detection, Exploitation techniques, Data Encryption Standard, Threat Modeling, Security Awareness, Cryptography, Cyber Attacks, Data Security, Databases, Malware Protection, Penetration Testing, AI Security, Vulnerability Assessments, Application Security, Security Engineering, Artificial Intelligence, SQL
Beginner · Specialization · 1 - 3 Months

Pragmatic AI Labs
Skills you'll gain: Data Pipelines, Extract, Transform, Load, Data Lakes, Databricks, Data Architecture, Data Processing, Data Wrangling, Data Strategy, Data Presentation, Data Mining, Data Management, Data Governance, Data Integrity, Data Science, Live Streaming, SQL, Data Storage, Data Ethics, Data Security, Apache
Beginner · Course · 1 - 4 Weeks

Corporate Finance Institute
Skills you'll gain: Credit Risk, Loans, Capital Expenditure, Lending and Underwriting, General Lending, Consumer Lending, Mortgage Loans, Commercial Lending, Financial Analysis, Financial Statement Analysis, Risk Analysis, Corporate Finance
Beginner · Course · 1 - 3 Months

Tecnológico de Monterrey
Skills you'll gain: Search Engine Marketing, Digital Brand Strategy, Search Engine Optimization, Web Analytics and SEO, Digital Marketing, Digital Media Strategy, Social Media Strategy, Online Advertising, Content Strategy, Social Media Marketing, Marketing Strategies, Digital Content, Digital Marketing Tools, Web Presence, Social Media, Digital Analysis, Web Content, Digital Advertising, Email Marketing, Content Creation
Beginner · Course · 1 - 4 Weeks

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

SkillUp
Skills you'll gain: Machine Learning Methods, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Healthcare Industry Knowledge, Model Training, Health Disparities, Clinical Informatics, Artificial Intelligence, Health Informatics, Artificial Intelligence and Machine Learning (AI/ML), AI Security, Model Evaluation, Health Technology, Health Policy, Decision Intelligence, AI Integrations, Data Analysis
Intermediate · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Model Context Protocol, Token Optimization, AI Workflows, Generative AI Agents, Agentic Workflows, AI Orchestration, Agentic systems, Tool Calling, Context Engineering, Artificial Intelligence and Machine Learning (AI/ML), AI Security, AI Enablement, Prompt Patterns, Prompt Engineering, ChatGPT, AI Personalization, AI Product Strategy, Anthropic Claude, Multimodal Prompts, Generative AI
Beginner · Course · 1 - 3 Months

Skills you'll gain: Penetration Testing, Open Web Application Security Project (OWASP), Web Applications, Vulnerability Scanning, Exploitation techniques, Vulnerability Assessments, Security Testing, Application Security, Test Tools, Web Servers, Content Management Systems, Application Programming Interface (API), Databases
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Meta Ads Manager, Conversion Funnel Analysis, Marketing Budgets, Target Audience, Campaign Management, Facebook, Google Ads, Online Advertising, Instagram, Performance marketing, Digital Advertising, Paid media, Advertising Campaigns, E-Commerce, Advertising, Budget Management, Social Media Campaigns, Account Management, Apple iOS
Beginner · Course · 1 - 3 Months