FNB accuses clients of divulging online banking details with out proof!!!!

my bank account has been Hacked ! i had called FNB to report unauthorized logins , due to the lack of urgency my account was not stopped in time before the perpetrators have ****** all my funds. my call was sent to Boitumelo Mashele from the ***** department , accusing me of giving my logins to a 3rd party , requested me to provide a sworn affidavit and to log a case for a full on investigation . today i have been called back with the same excuses and no Root cause analysis , FNB accuses that i have given out my bank details but can not provide me proof of my online banking profiles being divulged , boitumelo failed to provide me the information required , The Code of Banking Practice, to which FNB adheres, says that unless the bank can show that you acted **********ly, negligently or without reasonable care, it "will refund you the amount of any transaction together with interest and charges associated with the disputed transaction" , there fore I require a full on root cause analysis and have made mention to this and recieve no joy Boitumelo fails to escalate this matter further to recieve the attention required and fails to provide me the escalation path or her superiors details to resolve the matter , and even fails to provide me a reference for the ticket logged