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: Data Security, Information Systems Security, Information Assurance, Security Controls, Data Integrity, Personally Identifiable Information, Identity and Access Management, Network Security, IT Security Architecture, Authentications, Cybersecurity, Authorization (Computing), Infrastructure Security, Computer Security, Encryption, User Accounts, Security Awareness, Safety and Security
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Package and Software Management, Linux Administration, Shell Script, Ubuntu, User Accounts, Linux, Unix Shell, Linux Servers, Linux Commands, Unix, Red Hat Enterprise Linux, Bash (Scripting Language), Kubernetes, Command-Line Interface, Network Troubleshooting, Containerization, Ansible, File Systems, Application Deployment, Authentications
Intermediate · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Virtual Networking, Virtual Private Networks (VPN), Amazon Web Services, Cloud Computing Architecture, Virtual Machines, Network Architecture, Amazon Elastic Compute Cloud
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Keyword Research, Search Engine Optimization, Web Analytics and SEO, Web Analytics, Content Performance Analysis, Web Content
Intermediate · Guided Project · Less Than 2 Hours

Infosec
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Secure Coding, Application Security, Encryption, Security Controls, Data Security, Database Application, Web Servers, Web Applications, Cryptography, Data Encryption Standard, Authentications, Query Languages, Data Validation, Computer Programming
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Requirements Analysis, Security Requirements Analysis, Requirements Elicitation, Requirements Management, Goal Setting, Meeting Facilitation, Conflict Management, Risk Analysis, Diagram Design, Stakeholder Engagement, Negotiation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Email Marketing, Customer Retention, Customer Relationship Building, E-Commerce, Strategic Marketing, Online Advertising, Performance Metric, Copywriting, Sales, Decision Making, Automation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Target Audience, Content Creation, Social Media Content, Social Media, Content Strategy, Marketing Materials, Social Media Marketing, Social Media Strategy, Graphic Design, Marketing Design, Branding
Beginner · Guided Project · Less Than 2 Hours

Packt
Skills you'll gain: OSI Models, Computer Networking, Virtualization, Data Centers, Virtual Networking, General Networking, Network Architecture, Network Protocols, TCP/IP, Network Infrastructure, Local Area Networks
Beginner · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Operating System Administration, Microsoft Windows, Operating Systems, System Configuration, Firewall, Linux Administration, Linux, Linux Servers, System Monitoring, File Systems, System Support, File Management, Windows Servers, Data Security
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Responsible AI, Data Ethics, Generative AI, Artificial Intelligence, AI Security, AI Enablement, End User Training and Support, Human Computer Interaction, Information Privacy
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft SQL Servers, SQL, Database Design, Stored Procedure, Relational Databases, Database Systems, Database Architecture and Administration, Query Languages, Data Manipulation, Microsoft Development Tools, Scripting, Authentications, User Accounts
Beginner · Course · 1 - 3 Months