In Yahoo breach, hackers may seek intelligence, not riches

SAN FRANCISCO — If a foreign government is behind the massive computer attack that compromised a half billion user accounts at Yahoo, as the company says, the breach could be part of a long-term strategy that’s aimed at gathering intelligence rather than getting rich.
Yahoo says the breach involved users’ email addresses, passwords and other information — including birthdates — but not payment card or bank account numbers. Although the stolen data could still be use