Pen testing courses can help you learn vulnerability assessment, network security, and ethical hacking techniques. You can build skills in penetration testing methodologies, risk analysis, and incident response strategies. Many courses introduce tools like Metasploit, Wireshark, and Burp Suite, that support identifying and exploiting security weaknesses in systems and applications. By engaging with these tools, you can practice practical work that enhance your ability to secure networks and protect sensitive data.

Skills you'll gain: jQuery, Ajax, Responsive Web Design, Cascading Style Sheets (CSS), HTML and CSS, Web Content Accessibility Guidelines, Usability, Javascript and jQuery, Hypertext Markup Language (HTML), Web Development, Web Design and Development, Usability Testing, Javascript, Application Deployment, Web Design, Interactive Data Visualization, Event-Driven Programming, Semantic Web, Web Applications, Functional Testing
Beginner · Specialization · 1 - 3 Months

EDUCBA
Skills you'll gain: Unix Shell, Shell Script, Bash (Scripting Language), Unix Commands, Unix, Scripting, Scripting Languages, Linux Commands, Command-Line Interface, Linux, File Systems, Programming Principles
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Object-Relational Mapping, Application Frameworks, Full-Stack Web Development, Software Configuration Management, Application Design, Development Environment, Microsoft Visual Studio, User Interface (UI), Identity and Access Management, Microsoft Development Tools, Application Development, Authorization (Computing), HTML and CSS, Maintainability, Data Modeling, Data Migration, Data Mapping, Business Logic, Web Servers, Debugging
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Prompt Engineering, Generative AI, OpenAI, API Design, Software Development, Back-End Web Development, Database Design, Automation
Intermediate · Course · 1 - 3 Months

Simplilearn
Skills you'll gain: Generative AI, Software Development Tools, Prompt Engineering, Code Review, Software Development, Application Development, Automation, Unit Testing, Software Documentation, Maintainability, Responsible AI, Test Case, Natural Language Processing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Dataflow, Data Pipelines, Apache Kafka, Serverless Computing, Identity and Access Management, Cloud Security, Real Time Data, Data Security, Debugging, Data Processing, Google Cloud Platform, Data Integrity, CI/CD, Extract, Transform, Load, Performance Tuning, Maintainability, Pandas (Python Package), Data Transformation, SQL, Unit Testing
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Kubernetes, Docker (Software), Containerization, DevOps, Application Deployment, Scalability, YAML, Performance Tuning, Disaster Recovery, Command-Line Interface
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Cloud Storage, Google Cloud Platform, Cloud Management, Data Lakes, Data Import/Export, Data Storage, Data Storage Technologies, Data Migration
Beginner · Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Data Migration, MySQL, Google Cloud Platform, Database Management, SQL, Data Pipelines, Data Storage Technologies, Operational Databases, Cloud Management, Data Management
Intermediate · Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Google Gemini, Web Development Tools, Software Development Life Cycle, Google Cloud Platform, Application Deployment, Application Lifecycle Management, Application Development, Cloud Development, Web Applications, Test Tools, Development Testing, Query Languages
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Hypertext Markup Language (HTML), Usability Testing, Cascading Style Sheets (CSS), Functional Testing, Web Development, Development Environment, Microsoft Visual Studio, Scripting, Visual Basic (Programming Language), Web Applications, Real Time Data, Web Design, Integrated Development Environments
Mixed · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Google Gemini, Query Languages, Application Development, Data Access, Google Cloud Platform, Software Development Life Cycle, Software Development Tools, CI/CD, Software Testing, Generative AI, Web Applications, Debugging
Beginner · Course · 1 - 4 Weeks