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 California, Davis
Skills you'll gain: Search Engine Optimization, Persona Development, Web Analytics and SEO, Keyword Research, Target Audience, Branding, Target Market, Digital Marketing, Social Media Strategy, Content Strategy, Brand Awareness, Consumer Behaviour, User Research, Algorithms, Data Analysis, Business Reporting
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Internet Of Things, Network Protocols, Cloud Computing Architecture, Amazon Web Services, Cloud Deployment, Embedded Systems, TCP/IP, IT Automation, Python Programming, Authentications, Encryption, Real Time Data
Beginner · Course · 1 - 3 Months

Packt
Skills you'll gain: Amazon Web Services, Amazon CloudWatch, Containerization, Amazon S3, Docker (Software), Cloud Computing Architecture, Microservices, Cloud Computing, Amazon Redshift, Virtual Networking, AWS Identity and Access Management (IAM), Data Storage, Cloud Management, Analytics, System Monitoring, Data Storage Technologies, Cloud Hosting, Hybrid Cloud Computing, Private Cloud, Network Security
Beginner · Specialization · 3 - 6 Months

Microsoft
Skills you'll gain: Security Controls, Data Governance, Scalability, Metadata Management, Microsoft Azure, Performance Tuning, Disaster Recovery, Azure Active Directory, Big Data, Data Security, Encryption, Identity and Access Management
Intermediate · Course · 1 - 3 Months
Skills you'll gain: Real Time Data, Apache Spark, Fraud detection, PySpark, Databricks, Data Pipelines, Dashboard, Big Data, Performance Tuning, Data Processing, Anomaly Detection, Operational Databases, Internet Of Things, Data Analysis, Performance Analysis, Trend Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Local Area Networks, Dynamic Host Configuration Protocol (DHCP), System Configuration, Linux, Network Routers, Information Systems Security, Performance Tuning, Mac OS, Information Technology, Email Security, System Support, Android (Operating System), Data Maintenance, Network Security, File Systems, Multi-Factor Authentication, Scripting, Virtualization and Virtual Machines, Apple iOS, Hardware Troubleshooting
Beginner · Specialization · 3 - 6 Months

Infosec
Skills you'll gain: Authentications, Cryptography, Secure Coding, Kotlin, Android (Operating System), OAuth, Encryption, Mobile Security, Android Development, Key Management, Exploit development, Application Security, Android Studio, Data Security, Open Web Application Security Project (OWASP), Authorization (Computing), Mobile Development, Security Engineering, Security Controls, Application Development
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Root Cause Analysis, Data Security, Problem Management, Site Reliability Engineering, Capacity Management, Resource Management, Identity and Access Management, Role-Based Access Control (RBAC), Compliance Auditing
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Digital Forensics, Penetration Testing, Network Security, Threat Management, Mobile Security, Distributed Denial-Of-Service (DDoS) Attacks, Cloud Security, Public Key Infrastructure, Vulnerability Assessments, Cryptography, Security Controls, Vulnerability Scanning, Cybersecurity, Authorization (Computing), Malware Protection, Authentications, Identity and Access Management, Cyber Attacks, Threat Detection, Data Integrity
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Peripheral Devices, Network Troubleshooting, Desktop Support, Computer Displays, USB, Wireless Networks, Network Administration, Virtual Machines, TCP/IP, Virtualization, Virtual Local Area Network (VLAN), Network Security, Operating System Administration, Cloud Computing, Computer Networking, Hardware Troubleshooting, Virtual Private Networks (VPN), Mobile Security, Mac OS, Microsoft Windows
Beginner · Specialization · 3 - 6 Months

Packt
Skills you'll gain: Secure Coding, API Testing, Application Programming Interface (API), Security Testing, Open Web Application Security Project (OWASP), Penetration Testing, Application Security, Restful API, Authentications, Personally Identifiable Information, Brute-force attacks, Security Engineering, Threat Modeling, Distributed Denial-Of-Service (DDoS) Attacks, Vulnerability Assessments, Exploitation techniques, Data Security, Business Logic, Authorization (Computing), Cybersecurity
Intermediate · Course · 1 - 3 Months

Skills you'll gain: IT Automation, IT Infrastructure, Amazon Web Services, Cloud Deployment, System Configuration, Security Controls
Intermediate · Course · 1 - 4 Weeks