Could Smart-Watches Replace Passwords as Authenticators?

Good passwords are hard to remember while passwords that are easily remembered are often just as easily guessed. Therein lies the reason passwords are such a security headache. The race to replace passwords is ever-present in the security industry, and the newest entrant is the smart-watch.

can use maliciously rigged PDF files to hack into corporate systems
hosting the BlackBerry Attachment Service, according to a warning from
the makers of the popular smartphone.
Research in Motion (RIM) issued an advisory with patches for
multiple flaws in the PDF distiller service and warned and an attacker
could exploit the issues by simply e-mailing a booby-trapped PDF file
to a BlackBerry user.

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