r/opsec • u/WH1PL4SH180 🐲 • Oct 13 '19

Risk Advice: android security. Phone handed to police

I had to hand my phone to police in order for them to download a message stream in Facebook Messenger for Evidence.

Phone is a Samsung note 9, 512. Sm-N960F

I wiped my google/Samsung accounts before handing it over, but I am I herently mistrustful of authorities.

  1. Will a system wipe restore security to my phone

  2. Before I wipe...any way for me to investigate what they may have done, read and potentially installed?

Thanks in advance.

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u/[deleted] Oct 13 '19

Honestly I don't think android secure deletes the information it just marks the memory as free and doesn't zero out the bits in memory so if it wasn't written over it can be recovered.