Unathorised numbers and devices added to account

From my company Vodacom account, 3 additional numbers with devices has been added unauthorised and *******ly on 15 and 17 May 2018, a debit order deducted thousands deducted from my account this morning. Dealer is ZLKMI Like Minds (online and call sales) done by person called Callan. (164 Springfield rd, Morningside, Durban, Kuveshan Naidoo) They are part of Jabba Connect (no longer existing) bought out by iSmart, ********** , Chesnita is customer service. iSmart not helpful, staff very well aware this is modus operandi Was authorised inside Vodacom, credit vetting aware Have opened case with SAPS - am sure to get some snotty reply here from Vodacom to be wary of phishing - should be wary of VODA*****