Learn core security principles in TypeScript by building a secure Pastebin app. Practice input validation, session management, authentication, RBAC, and JWT security to prevent real-world attacks and vulnerabilities.
What you'll learn
Validate user input on the server to prevent common bypass techniques
Securely store passwords and implement authentication workflows
Apply role-based access control to protect application resources
Configure and manage sessions to reduce session-based attacks
Identify common JSON Web Token vulnerabilities and attack methods
Implement safer token creation, validation, and management practices
Strengthen a TypeScript web application using offense-defense techniques
Advantages and disadvantages
Advantages
University courses you can audit for free, with lectures, readings and practice quizzes.
A verified certificate from the university if you pay for it.
Self-paced: start any time.
Disadvantages
Graded assignments and the certificate need the paid track.
Audit access can expire a few weeks after the course ends.
Learning is free, but the certificate costs money.
Some parts (graded work, certificate) are paid.
Some points apply to every course of this kind; see how we rank.
Free to audit
Free: Choose "Audit this course" when you enrol: lectures, readings and practice are free.
Paid: Graded assignments and the verified certificate (Certificate $30). Audit access may end after the course closes.
Before you start
Beginner: API and Web Services Security (Express.js, JWT, React, TypeScript)
Beginner: Secure Coding Practices and Code Review (Express.js, JWT, React, TypeScript)
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