Some people (e.g. Facebook) do this already. And it turns out that this doesn't really impact security all that much! Here's a recent research paper on the top

Some people (e.g. Facebook) do this already. And it turns out that this doesn't really impact security all that much! Here's a recent research paper on the topic: pASSWORD tYPOS and How to Correct them Securely - http://www.ieee-security.org/TC/SP2016/papers/0824a799.pdf http://www.ieee-security.org/TC/SP2016/papers/0824a799.pdf