The Russian spies wanted secrets; the hacker was motivated by money.
Together, they orchestrated one of the largest thefts of consumer data in history: pilfering detailed user information from more than 500 million Yahoo accounts, including those of diplomats, journalists, Russian officials and politicians critical of the Kremlin.
Meanwhile, the hacker searched through Yahoo emails for gift card codes and credit card numbers, while launching a massive spam campaign. He even manipulated Yahoo’s search engine to steer those seeking information on erectile dysfunction to an Internet pharmacy that paid him a commission.
On Wednesday, Justice Department officials unveiled a...