Complaint re ABSA bank

On 31st May just after midnight my ABSA account was hacked and my debit and credit card (which was in credit) were cleared out. It took the ******* about 25 seconds to delink my phone, create 5 new beneficiaries and withdraw all my money. To cut a long story short it took from 31 May to 1 August for ABSA ***** department to come back to me with their decision. During the discussion with the young man from the ***** dept I ascertained that in 2 months they had only investigated my debit card. He had no idea that my credit card was also de*****ed. He said he would have to speak to his team leader and come back to me. He phoned back approximately 3 hours later. It took them 2 months to investigate my debit card and 3 hours for my credit card. How credible is that investigation?ABSA have informed me that they are not liable for my losses and declined my claim because according to them I must have divulged my PIN and account number to the hackers. I am absolutely gutted. I have banked with them for 50 years and this is how they treat their clients. I now have to resort to taking my claim to the Banking Ombudsman which will take at least another 2 -3 months.