Previous reports have suggested the GrayKey can crack 4-digit passcodes in a matter of hours and 6-digit passcodes in days, ... — Matthew Green (@matthew_d_green) April 16, 2018.

Launch Settings and tap Passcode or Touch ID & Passcode. Enter your current passcode. Tap Change Passcode. Apple prompts for a six-digit code, which just shows you how eager they are to have you ...

— Matthew Green (@matthew_d_green) April 16, 2018. While longer passcodes certainly provide an added layer of security, the reality is that most users will never opt for a 10-digit passcode.

A 4-digit iPhone code could be cracked in a few minutes, a six-digit passcode can be cracked in just 11 hours, and an 8-digit passcode can take up to 46 days to crack.

Instead of typing in 16-digit passwords again and again during their shifts, nurses at a Pennsylvania hospital now just scan their badges. Lehigh Valley Hospital–Cedar Crest in Allentown ...