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.

Cisco Learning and Certifications
Skills you'll gain: Incident Response, Computer Security Incident Management, Incident Management, General Networking, Network Security, Cybersecurity, Cyber Security Policies, Computer Networking, Record Keeping, Data Sharing
★ 4.9 (60) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Content Scheduling, Online Advertising, Facebook, Marketing Analytics, Content Performance Analysis, Advertising, Digital Advertising, Marketing Effectiveness, Social Media Content, Drive Engagement, Driving engagement, Content Development and Management, Social Media Marketing, Shared Media, Social Media Campaigns, Digital Publishing, Social Media, Target Audience, Social Media Management, Customer Engagement
★ 4.6 (276) · Mixed · Guided Project · Less Than 2 Hours

University of Pennsylvania
Skills you'll gain: Data-Driven Decision-Making, Business Analytics, Operational Efficiency, Peer Review, Marketing Strategies, Data Analysis, Marketing Effectiveness, Data Strategy, Performance Measurement, Operations, Strategic Decision-Making, Business Strategy, Analysis, People Analytics, Business Metrics, Online Advertising, Digital Advertising, Presentations, Problem Management, Advertising
★ 4.5 (780) · Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Cloud Management, Site Reliability Engineering, Service Level, Service Level Agreement, Google Cloud Platform, Operational Excellence, Public Cloud, Cloud Computing, Cloud Platforms, System Monitoring, Operational Efficiency, Operating Cost, DevOps, Scalability, Service Management, Distributed Computing, Cost Control, Cost Containment, Expense Management, Operating Expense
★ 4.8 (823) · Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Requirements Analysis, User Requirements Documents, Systems Development Life Cycle, Software Development Methodologies, Requirements Elicitation, Agile Methodology, Software Documentation, Software Design Documents, Security Requirements Analysis, System Requirements, Software Development Life Cycle, Agile Software Development, Waterfall Methodology
★ 4.6 (688) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Vulnerability Management, Threat Modeling, Open Web Application Security Project (OWASP), Intrusion Detection and Prevention, Incident Response, Computer Security Incident Management, Stakeholder Communications, Vulnerability Assessments, Threat Detection, Event Monitoring, Cyber Attacks, Hardening, Network Security, Security Controls, Data Ethics, Bash (Scripting Language), Cybersecurity, Linux, Debugging, SQL
★ 4.7 (464) · Beginner · Professional Certificate · 3 - 6 Months

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
★ 4.8 (17) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Operating System Administration, IT Security Architecture, TCP/IP, Systems Administration, Network Troubleshooting, IT Infrastructure, File Systems, OSI Models, Cybersecurity, Cyber Attacks, Network Security, Network Protocols, Microsoft Windows, Computer Networking, Operating Systems, Lightweight Directory Access Protocols, Desktop Support, Technical Support, Technical Support and Services, End User Training and Support
★ 4.9 (996) · Beginner · Professional Certificate · 3 - 6 Months

Interactive Brokers
Skills you'll gain: Financial Trading, International Finance, Financial Market, Securities Trading, Equities, Capital Markets, Securities (Finance), Market Data, Market Dynamics, Market Liquidity, Investments, Portfolio Risk, Profit and Loss (P&L) Management, Market Analysis, Order Management
★ 4.3 (246) · Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Invoicing, Billing & Invoicing, Inventory Management, Inventory Management System, Tax Management, Accounting Software, Customer Relationship Management, Billing, Customer Relationship Management (CRM) Software, Sales Tax, Small Business Accounting, Accounting and Finance Software, Accounting, Security Controls, Payroll Systems
★ 4.5 (85) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Intrusion Detection and Prevention, Incident Response, Computer Security Incident Management, Cyber Threat Hunting, Cyber Attacks, Cybersecurity, Cyber Operations, Continuous Monitoring, Security Management, Event Monitoring, Disaster Recovery, Incident Management, Threat Detection, Cloud Security, Threat Management, System Monitoring, IT Automation, Record Keeping, Problem Management, Google Cloud Platform
★ 3.8 (38) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Patch Management, Microsoft Azure, Cloud Management, Identity and Access Management, Cloud Infrastructure, Cloud Computing, Infrastructure As A Service (IaaS), Cloud Services, Cloud Deployment, Disaster Recovery, Virtual Machines, Kubernetes, Cloud Platforms, Role-Based Access Control (RBAC), Virtual Networking, Windows PowerShell, System Monitoring, Infrastructure as Code (IaC), Application Deployment, Load Balancing
★ 4.6 (182) · Beginner · Specialization · 3 - 6 Months