One example being, something like Theranos. I feel pretty certain it would look "Worse than google, better than mom and pop website shop", but I'm not sure entirely how it would be perceived.
Were you a worker bee in the back office that had nothing to do with the scandal? You should be fine, and will have a good story about your ethics for why you are seeking other employment.
Were you a high-ranking employee with direct responsibility for any of the factors causing them to be in the current mess? You might have a tougher time because you'll need to explain yourself.
These are also things that you might want to consider tackling in a cover letter.
Were you a worker bee in the back office that had nothing to do with the scandal? You should be fine, and will have a good story about your ethics for why you are seeking other employment.
Were you a high-ranking employee with direct responsibility for any of the factors causing them to be in the current mess? You might have a tougher time because you'll need to explain yourself.
These are also things that you might want to consider tackling in a cover letter.