How secure is lost mode?
I lost my iphone 6s on the Jan 1st (great way to start the year) in a taxi. It was powered on, without much battery to go and on silent. I realized it was gone as soon as i got home. Checked find iphone, it was being tracked and it was on the move. Tried calling, no answer, triggered a sound, activated lost mode. After a few hours the phone was showing up as offline.
Contacted the taxi company but they claim to not have found it.
It's been more than 24 hours so the last known location is not showing anymore, the status of the device shows Sound & Lost Mode Pending (this is because i updated the message on lost mode to include more ways to contact me).
My concern right now is that if i choose to wipe the phone i won't be able to track it and i won't receive a notification if anyone powers it up.
My question is, with lost mode activated how easy/difficult is it for someone to:
a) get access to the data stored on my phone
b) do a factory reset on my phone
iPhone 6s, iOS 9.2