Blocked Account

Im sooo disgusted with Standard bank,it's the most unsafe bank ever that can just give out your information just to any person as long as there have your bank account and name. Isn't banks suppose to be the safest place regarding your account and personal details?..and when I call in no one knows about such and drops call on me yet someone got all my personal details including how I use my money,where I transfered it and who has been sending me money and how much I even have just by having my Account number!!!