Sending SMS from my iphone without my consent

Good afternoon,

Yesterday, day 05-06-2018, at 22:41:37 my iphone 6 sent an SMS without my consent for the number (+447) 78 620 50 94. I do not know what the SMS contained because it was deleted and I did not I received the shipment.

I had knowledge of the shipment from the web page of my operator, which I do not know how to explain ...

Is it likely that someone has entered my Iphone and steals information from me?

Thank you,

Tiago

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Buenas tardes,

Ayer, dia 05-06-2018, a las 22:41:37 mi iphone 6 envio un SMS sin mi consentimiento para el numero (+447) 78 620 50 94. No se lo que contenia el SMS porque se borro y no me apercibi del envio.

Tuve conocimiento del envio desde la pagina web de mi operadora, la cual no me sabe dar explicaciones...

Es probable que alguien haya entrado en mi Iphone y me robe información?

Gracias,

Tiago