7 years ago
Your Hot Hands Can Give Away Your Smartphone PIN
If you were protecting your smartphone passcode from someone lurking over your shoulder, or from unseen security cameras, you might cover the screen as you tap in the PIN’s four or six digits. But once you’ve unlocked the phone, perhaps you’d let down your guard, and leave the screen in full view—especially if it’s off.
Continue Reading
https://www.theatlantic.com
Join the Discussion