A hacker crew calling itself the Blackshadow set a price tag of 50 Bitcoins, approximately $1 million, as ransom for the data stolen from Israeli Shirbit insurance company.
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The hackers said that the ransom would double every 24 hours, and if it is not paid within three days, the data will be sold to "third parties."
To give some weight to their ultimatum, the hackers released some of the purported personal data of the company's clients.
They also claimed that they were also in possession of a trove of documents from the company's customers.
