Unexpected sign-in attempt

Hi John, On Mon, Mar 7, 2016 11:45 AM CST, we noticed a successful sign in to your Yahoo account beach_01 from an unrecognized device in United States. If this was you, you're all set! If this wasn't you and believe someone may have tried to access your account, please change your password and update your account recovery information. Yahoo Replies sent to this email cannot be answered.