Lockdown: Apple could make it even tougher to hack Phones

Suppose the FBI wins its court battle and forces Apple to help unlock an iPhone used by one of the San Bernardino killers. That could open all iPhones up to potential government scrutiny—but it's not the end of the story.

A Closer Look: Secure your phone without passcodes

Passcodes are outdated. They're a pain to use, and they aren't secure when they are based on easy-to-guess digits, such as a birth date or street address. Many people don't bother using them on phones, even though that means ...

Fingerprint security convenient, but not flawless

(AP)—Samsung's upcoming Galaxy S5 smartphone will be at least the third to have a fingerprint sensor for security but it's alone in letting you use that for general shopping, thanks to a partnership with PayPal.