Alas, none had done it -- until yesterday, when Amazon announced their AWS SDK for JavaScript in the Browser. Theoretically, it does for their web services, what Dropbox did for theirs.

Exclusive A massive online heist targeting AWS customers during which digital crooks abused misconfigurations in public websites and stole source code, thousands of credentials, and other secrets ...

Misconfigured cloud instances have once again been abused to steal sensitive information such as login credentials, API keys, and more. This time around, the victims were countless Amazon Web ...

Hundreds of mobile apps have been found to be leaking Amazon Web Services (AWS) credentials. A recent Symantec analysis identified 1,859 publicly available apps, 98% of which are iOS apps ...

The SDK supports Amazon’s web identity federation feature (you wouldn’t want to add your AWS credentials in your HTML and JavaScript, after all).