Incorrect server settings on the Twitter Developer portal led to browsers caching API keys, account access token and secret.

The OAuth keys and secrets that official Twitter applications use to access users’ Twitter accounts have been leaked in a post to Github this morning. The OAuth keys and secrets that official ...

It appears that Twitter’s API keys and secrets for its official apps have surfaced, and are currently being shared on GitHub. Note: The combination of API keys and secrets are used to authorize ...

Twitter has fixed a caching issue that could have exposed developers' API keys and tokens.

Twitter is emailing developers stating that their API keys, access tokens, and access token secrets may have been exposed in a browser's cache.

It also means researchers who leverage Twitter's API to collect public data from the site will lose a key resource -- again, unless they pay, CNN reported.