I shared on Linkedin [1] the other day that you should avoid using Cognito subs as the user ID for your system. One of the reasons is that a user’s sub does not carry over when you migrate to a new user pool. Someone responded by asking “Is this type of migration really that common …
What’s the best way to migrate Cognito users to a new user pool? Read More »
Last week, we looked at implementing passwordless authentication using one-time passwords (OTPs) using Cognito [1]. Another popular passwordless authentication method is magic links where: The user initiates the sign-in process by entering their email in your application. They receive an email with a time-limited URL. The user clicks on the URL and is authenticated into …
Implementing Magic Links with Amazon Cognito: A Step-by-Step Guide Read More »
Password-based authentication has long been the norm for securing user accounts. However, it is becoming increasingly clear that password-based authentication has several drawbacks. Such as the risk of password theft, the need for users to remember complex passwords, and the time and effort required to reset forgotten passwords. Fortunately, more and more websites have started …
Passwordless Authentication made easy with Cognito: a step-by-step guide Read More »
AWS announced a new feature this week that lets you enable WAF protection for Cognito user pools. And one of the things you can do with this is to implement geo-fencing and IP allow/deny lists. Geo-fencing and IP allow/deny lists are usually implemented in the frontend as well as the backend APIs. But users (and …
How to setup geofencing and IP allow-list for Cognito user pool Read More »
One of the most common questions I get is “How do I build a multi-tenant application with AppSync and Cognito?”. If you google this topic on the internet you will no doubt come across many different opinions. It’s a topic that we’ll soon explore in the AppSync Masterclass but I want to take this opportunity …
How to secure multi-tenant applications with AppSync and Cognito Read More »
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