A security documents in banking sector means a guarantee or assurance of loan payment to a bank or a financial institution. if borrower becomes defaulter or not capable to pay the loan amount within any specific time than the bank can sale the property to recover his lending money by the proof and power of that security documents.

Bank and financial institution are providing loan to its customer for their different types of necessity. bank lending this money to earn some interest from the borrower. bank lending you this money by following an strategy that how they can recover money from borrower. so, bank applies some condition that, if you want to get loan you must have to provide security assets or security documents. and this is the key of getting loan approved. if you can provide original and authentic security assets or property than your loan will be approve. so to kept mortgage of your property by an agreement is called security documents in banking. 

Necessity of security documents:

If you want to get loan than this is must for you. here are some reason why it is necessary for banks:

1. Bank can take legal action if you failed to pay loan amount. 
2. This is the Document of proof that you have taken loan and you are agree to make payment of bank by by selling your security asset.