PALO ALTO, Calif. — In late 2013, an A.T.M. in Kiev started dispensing cash at seemingly random times of day. No one had put in a card or touched a button. Cameras showed that the piles of money had been swept up by customers who appeared lucky to be there at the right moment.
Verizon is the latest big company to enter the post-Snowden market for secure communication, and it’s doing so with an encryption standard that comes with a way for law enforcement to access ostensibly secure phone conversations.