Director A is the managing director of Company A. Director A has been assisting to oversee the operation of the company and helping the company to increase profits. Under the company's guidelines, directors are not authorized to reveal the access code to anyone and should always keep the code secure.

Director A prepares the code in a book and forgets to lock the drawer. One of the employee saw it and used the code in the book to transfer a huge sum to his personal account.

The employee was caught; however, he has subsequently spent the money and it cannot be recovered. Has this director breached any of his director's duty as a result?