Airtime ****** after account was blocked from doin transfers

I report airtime was ****** from my account They opened a case got a sms its resolved but dont know what happen. I blocked my number that no airtime trnasfers can be done after R 500 airtime was taken. Loaded airtime again and after I blocked any transfers airtime was ****** out of my account again you have so much problems speaking to a agent They want you to speak to a machine . IT SEEMS TO ME THIS IS A INSIDE JOB AND VODACOM SUPPORTS IT