Mobile technologies give people the power to work wherever and whenever they choose. Remote access drives astonishing gains in productivity and employee satisfaction, but enterprises who use simple passwords to protect that access risk financial loss, data theft, and worse. Passwords are to blame for some of the most infamous recent data breaches. At Anthem Blue Cross, attackers gained access to sensitive medical data using credentials stolen from a handful of database admins. Target, the retail giant, lost credit card information to cybercriminals who used credentials taken from contractors. The Democratic National Committee’s most sensitive email messages were downloaded and published despite repeated warnings from the FBI.