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: Overcoming Objections, Sales Development, Oral Expression, Lead Generation, Consultative Selling, Verbal Communication Skills, Prospecting and Qualification, Inside Sales, Phone Sales, Cold Calling, Sales, Emotional Intelligence, Sales Strategy, Target Audience, Sales Prospecting, Sales Process, Empathy, Rapport Building, Cross-Channel Marketing, Active Listening
Beginner · Course · 1 - 3 Months

Amazon Web Services
Skills you'll gain: Amazon Web Services, Customer Communications Management, Customer experience strategy (CX), Integrated Marketing Communications, Cross-Channel Marketing, Service Level, Systems Integration, Security Controls
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Network Analysis, Unsupervised Learning, Social Network Analysis, Supervised Learning, Unstructured Data, Applied Machine Learning, Marketing Analytics, Deep Learning, Scikit Learn (Machine Learning Library), Machine Learning, Tensorflow, Text Mining, Data Analysis, Model Evaluation, Transfer Learning, Predictive Modeling, Semantic Web, JSON, Statistical Methods, Data Manipulation
Build toward a degree
Beginner · Specialization · 3 - 6 Months

Pearson
Skills you'll gain: Wireless Networks, Network Security, Local Area Networks, Network Infrastructure, Network Administration, System Configuration, Authentications, Encryption
Beginner · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Web Scraping, Data Ethics, Data Transformation, Tidyverse (R Package), Data Wrangling, Data Cleansing, Data Manipulation, Data Collection, Data Pipelines, Data Preprocessing, Personally Identifiable Information, Data Integrity, R Programming, Exploratory Data Analysis, Information Privacy, Statistical Programming
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Excel, Data Validation, Customer Data Management, Excel Formulas, Microsoft 365, Customer Relationship Management, Data Entry, Spreadsheet Software, Customer Service, Data Security, Data Management, Invoicing, User Accounts, Editing
Beginner · Guided Project · Less Than 2 Hours

EDUCBA
Skills you'll gain: Performance Tuning, Microsoft Azure, Database Administration, Scalability, Relational Databases, Microsoft SQL Servers, Database Architecture and Administration, Database Management, Database Systems, Operational Databases, Data Migration, Transact-SQL, Stored Procedure, Cloud Security, Cloud Deployment, Disaster Recovery, Virtual Machines
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Vulnerability Scanning, Network Security, Network Administration, Network Protocols, Network Analysis, TCP/IP, File Transfer Protocol (FTP), Software Installation, Ubuntu, Command-Line Interface, Open Source Technology
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Terraform, Infrastructure as Code (IaC), Cloud Management, Google Cloud Platform, Cloud Computing, PostgreSQL, MySQL, Cloud Infrastructure, Proxy Servers, Database Development
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: System Monitoring, Event Monitoring, System Configuration, Linux Servers, Virtual Machines, TCP/IP, Security Controls, Apache, Windows Servers, Software Installation, MySQL
Mixed · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Search Engine Optimization, Web Analytics and SEO, Google Ads, Google Analytics, Keyword Research, Digital Marketing, Information Architecture, Content Strategy, Content Creation, User Experience
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Text Mining, Data Processing, Microsoft Azure, Cloud Storage, Database Development, Data Storage Technologies, Unstructured Data, Application Development, Web Applications
Beginner · Guided Project · Less Than 2 Hours