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: Hardware Troubleshooting, Customer Service, Network Troubleshooting, Customer Relationship Building, Computer Security Incident Management, Incident Response, Professional Development, Continuous Improvement Process, Cybersecurity, Process Improvement, Performance Metric, Desktop Support, Operating Systems, Computer Hardware, Cyber Attacks, Customer experience improvement, Technical Support, Customer Complaint Resolution, Digital Transformation, Lifelong Learning
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Routing Protocols, TCP/IP, Network Switches, Virtual Local Area Network (VLAN), Network Protocols, Network Security, Network Routing, Network Troubleshooting, Computer Networking, Open Shortest Path First (OSPF), Dynamic Host Configuration Protocol (DHCP), Border Gateway Protocol, Firewall, Proxy Servers, Encryption, Authentications
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Networking Hardware, Network Monitoring, OSI Models, Routing Protocols, Software-Defined Networking, Network Troubleshooting, Network Architecture, Network Protocols, Distributed Denial-Of-Service (DDoS) Attacks, Network Security, TCP/IP, Network Routing, Computer Networking, Open Shortest Path First (OSPF), Dynamic Host Configuration Protocol (DHCP), Network Administration, Network Performance Management, Local Area Networks, Hardening, Intrusion Detection and Prevention
Intermediate · Specialization · 3 - 6 Months

Packt
Skills you'll gain: TCP/IP, Network Administration, Virtual Local Area Network (VLAN), Network Routers, Network Routing, General Networking, Ansible, Puppet (Configuration Management Tool), Software-Defined Networking, Local Area Networks, Computer Networking, Command-Line Interface, Network Infrastructure, Wireless Networks, Network Security, Security Awareness, Networking Hardware, Network Protocols, Chef (Configuration Management Tool), Network Troubleshooting
Intermediate · Specialization · 1 - 3 Months

Google Cloud
Skills you'll gain: Cloud Management, Digital Transformation, Real Time Data, Serverless Computing, Google Cloud Platform, Cloud Infrastructure, Artificial Intelligence and Machine Learning (AI/ML), Cloud Security, Application Programming Interface (API), Cloud Computing, Cloud Services, Cloud Storage, Cost Management, Containerization, Cloud Applications, Business Transformation, Data Warehousing, Artificial Intelligence, Data Security, Cybersecurity
Beginner · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: DevSecOps, DevOps, Application Security, Secure Coding, Security Testing, Continuous Delivery, CI/CD, Security Engineering, Continuous Integration, Threat Modeling, Containerization, Continuous Monitoring, Vulnerability Management, Cloud Security, Automation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Relational Databases, Data Visualization, Data Modeling, Cloud Security, Databases, Database Management, Data Analysis Expressions (DAX), Advanced Analytics, Data Management, Data Governance, Data Preprocessing, Microsoft Excel, Amazon Web Services, Data Integration, Data Security, Cost Control, Cloud Computing, Spreadsheet Software, Excel Formulas, Predictive Modeling
Intermediate · Specialization · 3 - 6 Months

Technical University of Munich (TUM)
Skills you'll gain: Cybersecurity, Accident Prevention, Safety and Security, Infrastructure Security, Medical Science and Research, Threat Management, Physical Science, Environmental Monitoring, Continuous Monitoring, Risk Analysis, Physics
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Microbiology, Pharmacology, Health Disparities, Psychosocial Assessments, Psychiatric And Mental Health Nursing, Molecular Biology, Infection Control, Infectious Diseases, Nursing Care, Biochemistry, Psychology, Molecular, Cellular, and Microbiology, Sociology, Cultural Sensitivity, Analytical Chemistry, Immunology, Behavior Management, Biology, Decision Making, Taxonomy
Intermediate · Professional Certificate · 3 - 6 Months

Google Cloud
Skills you'll gain: Google Workspace, Gmail, Technical Support, Email Security, Technical Communication, Debugging, Data Access, Cloud Storage, Security Controls, Event Monitoring, File Management
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Test Automation, Performance Testing, Software Quality Assurance, White-Box Testing, API Testing, Test Script Development, Debugging, Software Development Methodologies, User Acceptance Testing (UAT), JUnit, Maintainability, Development Testing, Selenium (Software), Scalability, Automation, Software Technical Review, DevOps, Regression Testing, Test Execution Engine, Security Testing
Beginner · Specialization · 3 - 6 Months

The University of Sydney
Skills you'll gain: Linear Algebra, Markov Model, Geometry, Arithmetic, Algebra, General Mathematics, Advanced Mathematics, Probability, Mathematics and Mathematical Modeling, Mathematical Theory & Analysis, Mathematical Modeling, Applied Mathematics, Statistical Methods, Vector Databases, Engineering Analysis, Computational Logic
Intermediate · Course · 1 - 4 Weeks