When sending SMS or other notifications, always include the purpose. "You requested a password reset, the PIN to completel the reset is 112938181". Ideally the

When sending SMS or other notifications, always include the purpose. "You requested a password reset, the PIN to completel the reset is 112938181". Ideally the pins are also in different formats, so your normal PIN to login is a 6 digit number, the password reset is a 12 digit alphanumeric.