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

Fundação Instituto de Administração
Skills you'll gain: Deep Learning, Machine Learning Methods, Predictive Analytics, FinTech, Applied Machine Learning, Data-Driven Decision-Making, Predictive Modeling, Machine Learning, Digital Transformation, Machine Learning Algorithms, Financial Forecasting, Artificial Intelligence and Machine Learning (AI/ML), Analytics, Artificial Intelligence, Artificial Neural Networks, Model Optimization, Data Science
★ 4.7 (24) · Beginner · Course · 1 - 4 Weeks

CertNexus
Skills you'll gain: Cyber Threat Intelligence, Incident Response, Cybersecurity, Computer Security Incident Management, Information Systems Security, Threat Detection, Cyber Risk, Risk Analysis, Computer Security, Digital Forensics, Network Security, Incident Management, Vulnerability Assessments, Criminal Investigation and Forensics, Vulnerability Management, Vulnerability Scanning, Intelligence Collection and Analysis, Risk Management, Risk Mitigation, Network Analysis
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Test Driven Development (TDD), Unit Testing, Test Script Development, Test Automation, Test Case, Development Testing, Software Testing, User Story, Mockups, Python Programming, Requirements Analysis
★ 3.8 (30) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Blogs, Search Engine Optimization, Content Optimization, Driving engagement, Web Content, Content Creation, Content Marketing, Prompt Engineering, Generative AI, Business Marketing
★ 4.1 (18) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Linux, Linux Administration, Operating System Administration, File Systems, User Accounts, Linux Commands, User Provisioning, Data Storage, Role-Based Access Control (RBAC), Systems Administration, File Management, Performance Tuning, Data Storage Technologies, Operating Systems, Identity and Access Management, System Configuration, Security Controls
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: JUnit, Apache Maven, Model View Controller, Unit Testing, Frontend Integration, Spring Boot, Restful API, Data Persistence, Web Services, Software Testing, Java Programming, Object-Relational Mapping, Java, Back-End Web Development, Secure Coding, Authentications, Data Modeling, Business Logic
★ 4.6 (28) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Routing Protocols, Command-Line Interface, Open Shortest Path First (OSPF), Network Monitoring, Virtual Local Area Network (VLAN), Border Gateway Protocol, Network Performance Management, Network Routing, Wireless Networks, Network Administration, Network Infrastructure, Local Area Networks, Event Monitoring, Network Switches, Network Troubleshooting, Network Protocols, Network Routers, TCP/IP, Virtual Networking, Network Security
★ 4.7 (6) · Intermediate · Course · 3 - 6 Months

Fundação Instituto de Administração
Skills you'll gain: Data-Driven Marketing, Big Data, Customer experience improvement, Data Mining, Data-Driven Decision-Making, Marketing Automation, Marketing Strategies, Data Strategy, Customer experience strategy (CX), Digital Transformation, Data Engineering, Marketing Analytics, Analytics, Data Science, Marketing, Innovation, Digital Brand Strategy, Applied Machine Learning, Data Processing, Marketing Effectiveness
★ 4.3 (62) · Beginner · Specialization · 1 - 3 Months

Board Infinity
Skills you'll gain: Blockchain, Secure Coding, Security Testing, Security Architecture Review, Legal Technology, Vulnerability Assessments, Program Development, Software Development Tools, Code Reusability, Object Oriented Programming (OOP), Data Integration, Development Testing, Application Deployment, Emerging Technologies
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Meta Ads Manager, Facebook, Advertising Campaigns, Social Media Campaigns, Lead Generation, Campaign Planning, Social Media, Online Advertising, Social Media Marketing, Digital Advertising, Campaign Management, Advertising
★ 4.6 (10) · Intermediate · Guided Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Cloud Deployment, Cloud Computing, Cloud Engineering, Cloud Solutions, Cloud Management, Google Cloud Platform, Cloud Platforms, Identity and Access Management, Cloud Services, Cloud Infrastructure, User Provisioning, Cloud Storage, System Monitoring
★ 4.4 (9) · Beginner · Course · 1 - 3 Months