Fraudulent Activity Notifications HackerLand National Bank has a simple policy for warning clients about possible fraudulent account activity. If the amount spent by a client on a particular day is greater than or equal to the client's median spending for a trailing number of days, they send the client a notification about potential fraud. The bank doesn't send the client any notifications until they have at least that trailing .. 더보기 이전 1 ··· 25 26 27 28 29 30 31 ··· 108 다음