Fnb chasing away young customers

So FNB is just totally useless . I received a call from a company by the name of maxlaw informing me that I have a redflag on my acc . With all the ******* things happening in south Africa I took the time to listen to the *****ster . She asked me for my account number to verify witch a gave her ( stupid of me I know ) . Then a debit order mandate appeared and I immediately declined it . I said to the *****ster from Maxlaw do not take money from my account I did not / do not give you permission . I ended the call and thought that was the end of it . On the Saturday Maxlaw tried to force debit my account but being suspicions I transferred all my money to my savings account . I proceeded to phone the bank fnb and was told to call thee ***** dep . I phoned the ***** department I was informed by them that they can not do anything as they are third party and no debit was taken yet . So FNB basically say that anybody can ***** your money without your approval of the debit check . Is the debit check just a useless thing ? maxlaw has tried to take R750 of my account everyday since the 2nd of November . Fnb solution to my problem , sorry sir close your account and lose all your account history and then open a new account . As a young person starting my professional life , I have learnt a lesson do not trust fnb . I will be moving my accounts to a different/better bank .