Arpad Toth articles - 75 total
Choosing between EventBridge, SNS, and SQS for event-driven patterns
TL;DR: AWS offers multiple services for decoupling business domains in event-driven patterns. The...
Building MongoDB-based event-driven applications with DocumentDB
TL;DR: We can create event-driven architectures that react to changes in MongoDB. Change streams are...
Triggering multiple workflows with DynamoDB Streams
How can we trigger multiple workflows in response to database changes? One way is to design an...
4 Cognito User Pools features you might not know about
Cognito User Pools is more than just a user directory. It's an ecosystem that tackles authentication...
Verifying Cognito access tokens - Comparing three JWT packages for Lambda authorizers
When using Cognito access tokens to secure our API, we can choose from several JSON Web Token...
Implementing advanced authorization with AWS Lambda for endpoint-specific access
When handling more complex authorization patterns, we can implement the necessary logic using Cognito...
Manual Cognito user registration approvals with Step Functions
New user registration for an application that serves multiple users from the same organization might...
Using YubiKeys for passwordless authentication in Cognito user pools
Cognito user pools can be configured to use passkeys to remove passwords from application sign-in...
Masking sensitive data in real-time with AWS serverless services
If quickly checking for sensitive information in new data uploaded to an S3 bucket is critical, we...
Simplifying CloudFormation stack management with the new refactoring feature
The new CloudFormation Stack Refactoring feature simplifies modifying existing stacks. With minimal...
Effective error handling strategies for Lambda invocation models
In serverless architectures, Lambda functions are often invoked by various AWS services, each with an...
Recovering access to your AWS account after losing the MFA device
Multi-factor authentication is a best practice for root and administrator users. Having multiple MFA...
Implementing passwordless sign-in flow with email in Cognito
We can configure Cognito to send email verification codes to users via Amazon Simple Email...
Implementing passwordless sign-in flow with text messages in Cognito
We can use Cognito user pools to create passwordless user authentication flows for our applications....
Building event-driven workflows with DynamoDB Streams
Event-based architectures allow us to break down complex, hard-to-read code into more manageable...
Preparing for the AWS Machine Learning Engineer Associate exam - Insights and comparisons
The AWS Machine Learning Engineer Associate is one of the two new beta exams announced recently. I...
Challenging the AWS AI Practitioner Beta - My exam experience and insights
One of the new AWS exams is the AWS AI Practitioner beta. I share my experience with this exam,...
7 practices I learned while developing applications with API Gateway service integrations
Integrating API Gateway with other AWS services offers several benefits, including improved...
Enhancing security for Lambda function URLs
AWS has introduced support for Origin Access Control on Lambda function URLs. This new feature...
Using Verified Permissions with Cognito to control access to API endpoints
If we use Cognito User pools as an identity provider, AWS now enables us to configure fine-grained...
Using API Gateway mapping templates for direct DynamoDB integrations
Integrating API Gateway directly with DynamoDB can significantly enhance speed by reducing overall...
AWS Advanced Networking Specialty - 15 hands-on exercises for certification success
Achieving AWS certification requires more than just studying theory. Practical experience is...
Using Step Functions to handle feature flags
We use feature flags to control how we release parts of a product. Instead of adding conditional...
Tapping into a more productive mindset for AWS certification exam preparation
Having AWS certifications comes with many benefits. But it does matter how and how long we prepare...
Dynamically routing user requests to multiple CloudFront origins
We can use Lambda@Edge functions to dynamically change CloudFront origins based on request parameters...
Building near real-time automatic remediation for disabled S3 Block Public Access with serverless tools
Security Hub regularly creates findings on various controls and assigns them different priorities. We...
Using customized access tokens to set up authorization in API Gateway
We can easily add custom scopes to access tokens after the user has authenticated with a new Cognito...
Using customized access tokens to set up authorization in API Gateway
We can easily add custom scopes to access tokens after the user has authenticated with a new Cognito...
Refactoring a serverless application to use Step Functions third-party API call integration
With the new third-party API invoke feature in Step Functions, we might not need a Lambda function to...
Controlling access to IAM-protected API endpoints with Cognito groups
Adding authenticated users to Cognito groups in User pools is an easy way to assign AWS credentials....