Deter thieves and other bad elements with a robust, hard-to-hack padlock. We tested 11 highly-rated options and found the three best padlocks for different needs.

Best U-lock: Kryptonite New-U New York Fahgettaboudit Mini Best chain lock: Kryptonite New York Fahgettaboudit Chain 1415 & New York Disc Lock Most secure bike lock: Hiplok DX1000 Whether you ride ...

Disc or discus padlocks are similar in that their shackle is also less vulnerable to tampering. Bravo says, “If you have a really small circular saw that’s accurate, and you can really get in ...

The Padlock isn’t the first hard disk to have its own keypad (Lenovo’s ThinkPad USB Secure Hard Drive gets that honor), but the Padlock’s 256-bit AES encryption is unique.