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 System
Skills you'll gain: Prompt Engineering, Vibe coding, Debugging, Large Language Modeling, LLM Application, AI Security, Application Programming Interface (API), Responsible AI, Development Environment, AI Integrations, Computer Programming Tools, No-Code Development, Systems Integration, Program Development
★ 4.5 (26) · Beginner · Course · 1 - 4 Weeks
University of California, Irvine
Skills you'll gain: Blockchain, FinTech, Cryptography, Distributed Computing, Transaction Processing, Payment Systems, Cryptographic Protocols, Emerging Technologies, Digital Assets, Digital Transformation, Software Architecture, Data Integrity, Network Analysis
★ 4.2 (179) · Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Web Scraping, MySQL, SQL, JSON, Scripting, Data Persistence, Scripting Languages, Data Manipulation, Data Structures, Operational Databases, Query Languages, Database Management, Databases, Data Import/Export, Data Capture, Spatial Data Analysis, Python Programming, File I/O
★ 4.4 (111) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: File Management, Version Control, Document Management, Data Sharing, Collaborative Software, Cloud Storage, Data Storage, Data Loss Prevention
★ 4.6 (88) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Network Monitoring, Cryptographic Protocols, Distributed Denial-Of-Service (DDoS) Attacks, Routing Protocols, Virtual Private Networks (VPN), Security Controls, OSI Models, Dynamic Host Configuration Protocol (DHCP), Proxy Servers
★ 4.6 (9) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Animations, Visual Storytelling, Content Creation, Social Media, Social Media Content, Graphical Tools, Design, Graphic Design, Digital Marketing
★ 4.5 (172) · Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Selenium (Software), Test Script Development, Test Automation, Debugging, Scripting, Automation, Web Scraping, Software Testing, Cascading Style Sheets (CSS)
★ 4.7 (32) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Email Security, Microsoft Outlook, Calendar Management, Gmail, Meeting Facilitation, Organizational Skills, Microsoft Office, Google Workspace, Scheduling, Encryption, Productivity Software
★ 4.7 (84) · Beginner · Course · 1 - 4 Weeks

Tecnológico de Monterrey
Skills you'll gain: Customer Engagement, Target Market, Target Audience, Digital Advertising, Digital Analysis, Customer Retention, Customer Relationship Building, Search Engine Optimization, Sales Prospecting, Brand Loyalty, Digital Brand Strategy, Digital Media Strategy, Lead Generation, Prospecting and Qualification, Digital Marketing, Marketing Strategies, Strategic Communication, Customer experience strategy (CX), Digital Marketing Tools, Cash Flows
★ 4.9 (146) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Vulnerability Assessments, Vulnerability Management, Network Security, Metasploit, Penetration Testing, Network Administration, Software Installation, System Configuration, Cyber Security Policies, Web Applications, Authentications, Linux
Beginner · Course · 1 - 3 Months

28DIGITAL
Skills you'll gain: Semantic Web, Query Languages, Data Management, Data Integration, Data Processing, Data Access, Data Sharing, Web Applications, Data Mining, Interoperability, Software Architecture, Data Architecture, Data Modeling
★ 4.1 (94) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Social Media Management, Social Media, Social Media Content, Social Media Marketing, Google Ads, Email Marketing, Social Media Strategy, Content Scheduling, Social Media Campaigns, Content Creation, Data-Driven Marketing, Customer Retention, Meta Ads Manager, Paid media, Customer Relationship Building, E-Commerce, Digital Marketing, Driving engagement, Keyword Research, Brand Marketing
★ 4.7 (36) · Beginner · Specialization · 1 - 3 Months