Fraudsters tend to make multiple accounts on their laptop or phone to commit fraud. 3AM was found to be the most fraudulent hour in the day, and night-time in general was a more dangerous time. Fraudsters use well known domains like Outlook.com, Hotmail and live.com. The more numbers in an email address is the more likely that its fraud. A user who has 6 accounts on her laptop is 15 times more likely to be fraudulent than the average person. The older an account age, the less likely it is involved in fraud.”]
Source: https://informationsecuritybuzz.com/articles/seven-habits-highly-fraudulent-users/