Staff sharing customer information

After i complaint to the ombudsman about standardbank insurance. i received a phone call regarding my complaint .after this phonecall i started to receive phonecalls and sms's like never before all companies trying to get me to change my insurance from car , house , even funeral policies .and from alk provinces in south africa .standardbank employees are not allowed to share my details to any person or company without my permission.this is not the first time after ive been in communication with standardbank , that ive suddenly been contacted by these companies .this must stop .