The hack exposed the e-mail addresses and other personal information about millions of Ashley Madison customers.
A photo illustration shows the Ashley Madison website displayed on a smartphone in Toronto, August 20, 2015. Love lives and reputations may be at risk after the release of customer data from infidelity website Ashley Madison, an unprecedented breach of privacy likely to rattle users' attitudes towards the Internet. Hackers dumped a big cache of data containing millions of email addresses for U.S. government officials, UK civil servants and high-level executives at European and North America corporations late on Tuesday, the latest cyber attack to raise concerns about Internet security and data protection. REUTERS/Mark Blinch