Login below and revoke all scopes your not using for your own personnel usage and maintain a watchful eye on what you may have clicked in game or while learning about eve; clear this login area out as regularly as you would login to the game itself.

https://developers.eveonline.com/

Click the Auth App; revoke/confirm. done your data is now resecure, upto the point they had captured your data; before "you" revoked it from them.