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.

Coursera
Skills you'll gain: Ajax, JSON, Javascript, Application Programming Interface (API), Web Applications, Secure Coding, Application Security
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Red Hat Enterprise Linux, Command-Line Interface, Linux Administration, Linux Commands, User Accounts, User Provisioning, Linux, Operating System Administration, Software Installation, System Configuration, Systems Administration, Security Controls, Control Panels, Shell Script, File Management, Package and Software Management, System Monitoring, Configuration Management, User Interface (UI)
Mixed · Course · 1 - 3 Months

AI CERTs
Skills you'll gain: Education Software and Technology, Education and Training, AI Enablement, Digital Transformation, AI Personalization, Artificial Intelligence and Machine Learning (AI/ML), AI literacy, AI Integrations, Adult Education, Educational Materials, Generative AI, Special Education, Prompt Engineering Tools, Generative AI Agents, Data Analysis Software, Childhood Education and Development, Automation, Learning Strategies
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Network Architecture, Network Planning And Design, Virtual Networking, Network Infrastructure, Google Cloud Platform, General Networking, Network Routing, Computer Networking, Cloud Infrastructure, Network Security, Network Troubleshooting, Security Requirements Analysis, Network Model, Network Analysis, Firewall, Load Balancing, Hybrid Cloud Computing, Scalability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Encryption, Cybersecurity, Threat Detection, Exploitation techniques, Data Encryption Standard, Threat Modeling, Security Awareness, Cryptography, Cyber Attacks, Data Security, Databases, Malware Protection, Penetration Testing, AI Security, Vulnerability Assessments, Application Security, Security Engineering, Artificial Intelligence, SQL
Beginner · Specialization · 1 - 3 Months

LearnKartS
Skills you'll gain: JUnit, File I/O, Unit Testing, Java Programming, Debugging, Java, Maintainability, Software Development, Secure Coding, Software Testing, Authentications, Data Import/Export, Cryptography, Eclipse (Software), Integrated Development Environments, Encryption, Data Structures
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Penetration Testing, Exploit development, Exploitation techniques, Security Testing, Brute-force attacks, Vulnerability Assessments, Authentications, Wireless Networks, Network Security, Linux, Encryption, Microsoft Windows, Network Analysis, Data Persistence
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Cloud Management, Cloud Solutions, Digital Transformation, Serverless Computing, Containerization, Cloud Infrastructure, Business Transformation, Cloud Security, Google Cloud Platform, Artificial Intelligence and Machine Learning (AI/ML), Cloud Computing, Cloud Platforms, Cloud Computing Architecture, Site Reliability Engineering, Data Warehousing, Dataflow, Cloud Services, Responsible AI, Data Security
Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Data Warehousing, Apache Hadoop, Distributed Computing, Scalability, Transaction Processing, Database Systems, Database Design, Applied Machine Learning, Database Management Systems, Data Architecture, Database Theory, Database Management, Database Development, Database Architecture and Administration, Cloud Computing, Big Data, Relational Databases, Query Languages, Data Processing, SQL
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Penetration Testing, Metasploit, Open Web Application Security Project (OWASP), Security Testing, Vulnerability Scanning, TCP/IP, Network Protocols, Vulnerability Assessments, Cyber Security Assessment, Exploitation techniques, Brute-force attacks, Windows PowerShell, Active Directory, Network Analysis, Microsoft Windows, Wireless Networks, Scripting, Virtual Environment
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Disaster Recovery, Business Continuity Planning, Business Continuity, Database Management, Database Administration, Database Management Systems, Database Architecture and Administration, Problem Management, Database Theory, Contingency Planning, Relational Databases, Incident Management, IT Infrastructure, IT Service Management, Service Management, Information Systems, System Implementation, Service Level, Program Evaluation, Software Development Methodologies
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Network Protocols, Communication Systems, Test Equipment, Internet Of Things, Digital Signal Processing, Wireless Networks, Integrated Development Environments, Debugging, Microsoft Visual Studio, Data Analysis Software, Computer Programming Tools, Computational Logic, Digital Analysis, System Configuration, Program Development, Open Source Technology
Intermediate · Course · 1 - 3 Months