Preventing Refresh Token Abuse in Your TypeScript REST API

Application Security

Modern web applications frequently rely on refresh tokens to seamlessly re-authenticate users without forcing them to log in repeatedly. While convenient, mishandling refresh tokens can grant attackers near-permanent access.

TypeScript

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4 lessons

15 practices

2 hours

Course details

Implementing & Rotating Refresh Tokens

Preview

Creating the RefreshToken Model

Implementing Token Generation and Management

Implementing Single Use Refresh Token Rotation

Robust Error Handling for Token Rotation

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From our community

Hear what our customers have to say about CodeSignal Learn

I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11

I love that it's personalized. When I'm stuck, I don't have to hope my Google searches come out successful. The AI mentor Cosmo knows exactly what I need.

Faith Yim

Software Engineer

+14

It's an amazing product and exceeded my expectations, helping me prepare for my job interviews. Hands-on learning requires you to actually know what you are doing.

Alex Bush

Full Stack Engineer

I'm really impressed by the AI tutor Cosmo's feedback about my code. It's honestly kind of insane to me that it's so targeted and specific.

Abbey Helterbran

Tech consultant

I tried Leetcode but it was too disorganized. CodeSignal covers all the topics I'm interested in and is way more structured.

Jonathan Miller

Senior Machine Learning Engineer

+12

I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11