![]() ![]() ![]() ![]() Info: Officially a bank account number is 10 numbers long but you’ve probably seen them with just 9 numbers so far, the first (10th number) is a leading zero.īank account numbers apply to a special algorithm called the ‘ 11-proef‘. It’s even more easy because ABN-AMRO uses fixed ranges of account numbers (see this thready for bank account ranges, officially it’s not a given range but let’s say they use the whole 4x.xx.xx.xxx range). The bank’s Service Center (0900-0024) will be probably be overloaded, this is the same phone number as being used for payments, stock advice/buying/selling, lost cards, etc. Wrong!, imagine building a script, blocking all account numbers of all internet banking customers. You might think: “Nothing wrong, it’s just one account”. meanwhile he/she cannot enjoy internet banking or online stock trading. The owner of the account needs to call the Service Center (or submit a letter/fax) and request to unlock his/her account. ![]() Going to and typing an existing bank account number with any card number, submit this 5 times and the account will be locked. It’s made too simple to lock an account for internet banking. This article including it’s examples and example code (which will be posted later) are for educational purposes only. Today I took some time to write a little about ABN-AMRO’s security weaknesses. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |