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.

L&T EduTech
Skills you'll gain: Building Services Engineering, HVAC, Facility Management and Maintenance, Control Systems, Energy and Utilities, Facility Management, Network Protocols, Systems Integration, Electrical Systems, System Monitoring, Programmable Logic Controllers, Building Design, Thermal Management, Internet Of Things, Process Control, Building Codes, Automation, Failure Analysis, Electrical Equipment, Electrical Safety
Advanced · Course · 1 - 4 Weeks

University of California San Diego
Skills you'll gain: Digital pedagogy, digital literacy, Education Software and Technology, Computational Thinking, Social Impact, Geospatial Information and Technology, Computer Networking, Media and Communications, Digital Communications, Data Centers, Algorithms, Global Positioning Systems
★ 4.9 (39) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Linux Administration, Virtualization and Virtual Machines, Linux, Performance Tuning, Linux Servers, Virtualization, IBM Cloud, Data Storage, Data Storage Technologies, Hybrid Cloud Computing, Hardening, AI Enablement, Security Controls, Mainframe Computing, Hardware Architecture, Infrastructure Architecture, Virtual Networking, Mainframe Technologies, Networking Hardware, Artificial Intelligence and Machine Learning (AI/ML)
★ 4.6 (34) · Beginner · Course · 1 - 3 Months

Skills you'll gain: File I/O, Object Oriented Programming (OOP), Debugging, Object Oriented Design, JSON, Program Development, Data Structures, Code Reusability, Python Programming, Microsoft Visual Studio, Development Environment, Scripting, Maintainability, Integrated Development Environments, Package and Software Management, Authorization (Computing), Programming Principles, Computer Programming, Web Scraping, Application Programming Interface (API)
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Email Security, Microsoft Outlook, Calendar Management, Gmail, Setting Appointments, Meeting Facilitation, Organizational Skills, Microsoft Office, Google Workspace, Scheduling, Encryption, Productivity Software
★ 4.7 (94) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Mapping, Memory Management, Exploit development, Web Applications, Computational Logic, Code Reusability, Authorization (Computing), Software Development Tools, Security Controls, Other Programming Languages, Program Development, Data Storage
★ 4.8 (12) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Linux, Package and Software Management, Linux Administration, Red Hat Enterprise Linux, File Systems, Scripting, User Accounts, Linux Servers, Command-Line Interface, Shell Script, System Configuration, Unix Shell, Operating System Administration, Unix Commands, Open Source Technology, Disaster Recovery, Linux Commands, System Monitoring, Identity and Access Management, User Provisioning
★ 4.9 (15) · Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Embedded Software, Real-Time Operating Systems, Embedded Systems, Software Architecture, Code Reusability, Pseudocode, Microarchitecture, Memory Management, Systems Architecture, Hardware Architecture, Computer Hardware, Electronic Hardware, System Programming, Computer Architecture, Software Design, Cross Platform Development, Systems Design, Software Design Patterns, Internet Of Things, Hardware Troubleshooting
★ 2.6 (10) · Intermediate · Specialization · 1 - 3 Months

SkillUp
Skills you'll gain: Machine Learning Methods, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Healthcare Industry Knowledge, Model Training, Health Disparities, Clinical Informatics, Artificial Intelligence, Health Informatics, Artificial Intelligence and Machine Learning (AI/ML), AI Security, Model Evaluation, Health Technology, Health Policy, Decision Intelligence, AI Integrations, Data Analysis
★ 4.4 (9) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Linux Commands, Linux, Command-Line Interface, File Management, Unix Shell, Linux Administration, Package and Software Management, DevOps
★ 4.5 (160) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Prompt Engineering, ChatGPT, AI powered creativity, Generative AI, Web Content, AI literacy, AI Workflows, Artificial Intelligence
★ 4.6 (27) · Beginner · Guided Project · Less Than 2 Hours

Association of International Certified Professional Accountants
Skills you'll gain: Blockchain, FinTech, Emerging Technologies, Specialized Accounting, Legal Technology, Digital Assets, Cryptography, Cryptographic Protocols, Technology Solutions, Transaction Processing, Supply Chain Management, Information Privacy, Scalability
★ 4.6 (80) · Beginner · Course · 1 - 4 Weeks