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: Dynamic Host Configuration Protocol (DHCP), Linux Servers, User Accounts, Virtual Networking, Virtualization, Linux Administration, Lightweight Directory Access Protocols, User Provisioning, Network Performance Management, Virtualization and Virtual Machines, Linux, Group Policy, Server Administration, Servers, Network Administration, Network Security, Security Management, Cybersecurity, Disaster Recovery, Large Language Modeling
Intermediate · Specialization · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Microsoft Azure, Cloud Computing, Virtual Machines, Cloud Infrastructure, Cloud Computing Architecture, Cloud Platforms, Cloud Services, Virtual Networking, Virtualization and Virtual Machines, Enterprise Application Management, Cloud Applications, Cloud Deployment, Infrastructure As A Service (IaaS), Application Deployment, Network Planning And Design, Virtual Private Networks (VPN), Cloud Management, Virtualization, Cloud Storage, Remote Access Systems
★ 5 (22) · Intermediate · Course · 1 - 3 Months
University of Maryland, College Park
Skills you'll gain: Data-Driven Marketing, Online Advertising, LLM Application, Advertising, Branding, Natural Language Processing, Machine Learning Algorithms
Intermediate · Course · 1 - 3 Months

Skills you'll gain: GitHub Copilot, Unit Testing, Test Script Development, Flask (Web Framework), Front-End Web Development, Web Applications, Web Development, Microsoft Visual Studio, Python Programming, Development Environment, User Interface (UI), Generative AI, Software Installation
★ 4.7 (18) · Intermediate · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: White-Box Testing, Performance Testing, Maintainability, Test Tools, Software Testing, Code Review, Test Automation, Software Technical Review, Test Planning, Scripting, Risk Analysis, Performance Stress Testing, Software Quality Assurance, Application Security, Test Script Development, Continuous Integration, Code Coverage, Test Case, Quality Assurance, Security Testing
★ 3.9 (15) · Advanced · Specialization · 1 - 3 Months

Skills you'll gain: Data Import/Export, Data Cleansing, Power BI, Data Wrangling, Data Manipulation, Data Transformation, Financial Data, Statistical Reporting, Data Preprocessing, Excel Formulas, Data Quality, Pandas (Python Package), Statistical Analysis, Dashboard, Microsoft Excel, Descriptive Statistics, Financial Analysis, Dashboard Creation, Data Analysis Software, Data Analysis
Intermediate · Course · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: File I/O, C and C++, Data Import/Export, C++ (Programming Language), Communication Systems, C (Programming Language)
★ 4.6 (14) · Advanced · Course · 1 - 3 Months

Coursera
Skills you'll gain: Hypertext Markup Language (HTML), Web Content Accessibility Guidelines, Semantic Web, Web Content, Web Design, Web Development, Front-End Web Development
★ 4.7 (27) · Beginner · Guided Project · Less Than 2 Hours

LearnQuest
Skills you'll gain: Docker (Software), Containerization, Application Deployment, Data Persistence, Software Development, Virtualization, Application Security, Virtual Networking, Virtualization and Virtual Machines, Command-Line Interface
★ 3.3 (9) · Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Virtual Private Networks (VPN), Google Cloud Platform, Multi-Cloud, Hybrid Cloud Computing, Virtual Networking, Cloud Services, Border Gateway Protocol, Network Infrastructure, General Networking, Wide Area Networks, Network Routing, Network Planning And Design, Routing Protocols, Cloud Security, Encryption
Intermediate · Course · 1 - 4 Weeks

Alfaisal University | KLD
Skills you'll gain: Working Capital, Financial Analysis, Financial Management, Budget Management, Investment Management, Risk Management, Financial Statement Analysis, Capital Budgeting, Return On Investment, Risk Analysis, Business Risk Management, Market Liquidity, Performance Measurement
★ 4.7 (43) · Beginner · Course · 1 - 4 Weeks

Universidad de Palermo
Skills you'll gain: Advertising, Social Media Management, Marketing Communications, Social Media Content, Advertising Campaigns, Social Media, Integrated Marketing Communications, Social Media Campaigns, Online Advertising, Digital Advertising, Social Media Marketing, Marketing, Conversion Funnel Analysis, Communication Planning, Strategic Communication, Digital Media Strategy, Campaign Planning, Communication Strategies, Digital Marketing, Target Audience
★ 4.3 (9) · Beginner · Course · 1 - 4 Weeks