Incidentally, S3 GUI in AWS web console recently changed to be much more foolproof—even if bucket as a whole is set up to be public, each time one uploads files into it they seemingly default to non-public visibility which requires at least two clicks to override, one of which a la “I understand the danger”. (Although, of course, uploads via CLI or API work as usual.)
Category is unsecured storage service, you have available to you one consonant and a digit. Your 30 seconds start now.