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.

University of Colorado Boulder
Skills you'll gain: OSI Models, Network Security, TCP/IP, Network Architecture, Network Protocols, General Networking, Network Routers, Routing Protocols, Public Key Infrastructure, Network Model, Cryptography, Web Applications
Build toward a degree
Intermediate · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Data Processing, Data Visualization, Interactive Data Visualization, Data Cleansing, Data Collection, Data Visualization Software, Python Programming, Exploratory Data Analysis, Algorithms, Data Analysis, Web Scraping, Email Automation
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Google Gemini, Data Access, Google Cloud Platform, Cloud Security, Enterprise Architecture, Application Deployment, Generative AI Agents, Data Security, Large Language Modeling, LLM Application, Enterprise Application Management, AI Enablement, AI Workflows, Agentic systems
Beginner · Course · 1 - 3 Months

Skills you'll gain: Social Media Management, Social Media Marketing, Content Creation, Social Media Strategy, Social Media Campaigns, Content Marketing, Instagram, Content Management, Content Strategy, Content Performance Analysis, Brand Management, Facebook, Branding, Customer Engagement
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Data Encryption Standard, Public Key Infrastructure, Cryptography, Public Key Cryptography Standards (PKCS), Brute-force attacks, Key Management, Advanced Encryption Standard (AES), Encryption, Data Integrity, Information Systems Security, Cybersecurity, Authentications, Information Assurance, Data Security, Theoretical Computer Science, Computational Logic, Algorithms
Intermediate · Specialization · 3 - 6 Months

Packt
Skills you'll gain: Microsoft Excel, Spreadsheet Software, Data Visualization, Data Analysis Software, Productivity Software, Data Security, Data Validation, Data Management, Workflow Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Content Performance Analysis, Marketing Budgets, Campaign Management, Target Audience, Performance Analysis, Advertising, Advertising Campaigns, Facebook, Online Advertising, Instagram, Digital Advertising, Paid media, Bidding, Social Media, Budget Management, Social Media Marketing
Beginner · Course · 1 - 3 Months
EDUCBA
Skills you'll gain: Splunk, Security Information and Event Management (SIEM), Data Modeling, Role-Based Access Control (RBAC), System Monitoring, Dashboard, Incident Response, Computer Security Incident Management, Threat Detection, User Accounts, Data Transformation, Authorization (Computing), Cybersecurity, Machine Learning, Event Monitoring, Systems Administration, Security Management, Data Manipulation, Data Analysis, Statistical Analysis
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Incident Response, Business Continuity, Disaster Recovery, Cybersecurity, Security Management, Computer Security Incident Management, Crisis Management, Information Assurance
Beginner · Course · 1 - 3 Months

Skills you'll gain: Order Fulfillment, E-Commerce, Google Ads, Digital Advertising, Customer experience improvement, Market Research, Marketing, Retail Management, Sales, Shipping and Receiving, Marketing Strategies, Market Trend, Process Optimization, Target Audience
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Vulnerability Assessments, Cyber Security Assessment, Network Monitoring, Penetration Testing, Virtual Private Networks (VPN), Command-Line Interface, Linux Commands, Cybersecurity, Linux, Software Installation, Intrusion Detection and Prevention, Network Security, Network Analysis
Intermediate · Course · 1 - 4 Weeks
University of Maryland, College Park
Skills you'll gain: Marketing Automation, Online Advertising, AI Enablement, Marketing Analytics, Natural Language Processing
Intermediate · Course · 1 - 3 Months