May 21, 2015 Apple Watch lets nimble-fingered crooks use your Apple Pay Nimble-fingered crooks can exploit the one-second lag before Watch senses it's off a wrist and asks for a passcode. Naked Security
May 06, 2015 Apple confirms: tattooed wrists confuse Watch Some dark wrist tattoos can block the Apple Watch from measuring heart rates and can then turn into a passcode-demanding pain in the wrist. Naked Security
