TalkTalk, a British phone and broadband provider with more than four million customers, disclosed Friday that intruders had hacked its Web site and may have stolen personal and financial data. Sources close to the investigation say the company has received a ransom demand of approximately £80,000 (~USD $122,000), with the attackers threatening to publish the TalkTalk's customer data unless they are paid the amount in Bitcoin. Recently Ashley Madison was also hit with a ransom demand after a hack.
Much more at Brian Krebs' excellent blog:
http://krebsonsecurity.com/