Amid the recent news of a U.S. citizen being asked to turn over his phone to authorities at a border crossing, Sophia Cope of the Electronic Frontier Foundation has tips on digital civil liberties.
Related, “Attorney representing a student protester detained by federal immigration agents”
When a man in Michigan was heading home on Sunday from a family vacation in the Caribbean, he was stopped in the Detroit Airport. Federal officers, border agents, detained him, interrogated him and pressured him to hand over his cellphone. The man is a U.S. citizen. He’s a civil rights and criminal defense attorney, and among his clients is an activist who has been charged in connection to a pro-Palestinian protest at the University of Michigan.
Archived at https://web.archive.org/web/20250410185452/https://www.npr.org/transcripts/nx-s1-5357455
You’re better off turning the device off entirely. Lockdown mode doesn’t put the device back into a BFU state so you’re still leaving room for an exploit from Cellebrite or Greykey. Not having that first unlock after you turned the device on gives them a shitload of problems.
This, 100%. Lockdown mode is a false sense of safety in all honesty. As MegaUltraChicken (he is legend) is saying, you need to have your phone in a Before First Unlock (BFU) state to have maximum protection of your data (and is also phone model dependent)
Here’s a great link to read more about this and find where your phone falls susceptibility wise.
Good to know!