Suspends / locks account without phoning the account holder first! Pathetic!

This is the second time that Nedbank decides to suspend / lock my account due to a precaution that they think might be ********** activities on my account. How about phoning the account holder first before you just lock them out of their account!! Now I can't log in my business account and I need to pay salaries to my staff! Back office that is supposedly working with these type of queries does not have a direct line that you can phone.. It needs to go via a technical team and not even that technical team can phone them , they can only send an email and hope and pray that they will get back to you. I'm starting to regret opening a personal and business account with Nedbank!